Biggest changeThe following table sets forth our top five lessees by net book value as of December 31, 2023: December 31, 2023 Lessee % of Total EVA Air 4.9 % Virgin Atlantic 4.8 % Air France-KLM Group 4.3 % ITA 4.2 % Vietnam Airlines 4.1 % 37 Table of Contents The following table sets forth the number of aircraft in our owned fleet by aircraft type as of December 31, 2023 and 2022: December 31, 2023 December 31, 2022 Aircraft type Number of Aircraft % of Total Number of Aircraft % of Total Airbus A220-100 2 0.4 % — — % Airbus A220-300 13 2.8 % 4 1.0 % Airbus A319-100 1 0.2 % 1 0.2 % Airbus A320-200 28 6.0 % 28 6.7 % Airbus A320-200neo 25 5.4 % 23 5.5 % Airbus A321-200 23 5.0 % 23 5.5 % Airbus A321-200neo 95 20.6 % 78 18.7 % Airbus A330-200 (1) 13 2.8 % 13 3.1 % Airbus A330-300 5 1.1 % 5 1.2 % Airbus A330-900neo 23 5.0 % 16 3.8 % Airbus A350-900 14 3.0 % 13 3.1 % Airbus A350-1000 7 1.5 % 6 1.4 % Boeing 737-700 3 0.6 % 4 1.0 % Boeing 737-800 73 15.8 % 82 19.7 % Boeing 737-8 MAX 52 11.2 % 47 11.3 % Boeing 737-9 MAX 29 6.3 % 15 3.7 % Boeing 777-200ER 1 0.2 % 1 0.2 % Boeing 777-300ER 24 5.2 % 24 5.8 % Boeing 787-9 25 5.4 % 27 6.5 % Boeing 787-10 6 1.3 % 6 1.4 % Embraer E190 1 0.2 % 1 0.2 % Total (2) 463 100.0 % 417 100.0 % (1) As of December 31, 2023, aircraft count includes two Airbus A330-200 aircraft classified as freighters.
Biggest changeSee “Results of Operations” below for a discussion of adjusted net income before income taxes and adjusted diluted earnings per share before income taxes as non-GAAP measures and a reconciliation of these measures to net income attributable to common stockholders. 37 Table of Contents The following table sets forth the net book value and percentage of the net book value of our flight equipment subject to operating leases in the indicated regions based on each airline's principal place of business as of December 31, 2024 and 2023: December 31, 2024 December 31, 2023 Region Net Book Value % of Total Net Book Value % of Total (in thousands, except percentages) Europe $ 11,653,668 41.4 % $ 9,881,024 37.7 % Asia Pacific 10,077,621 35.8 % 10,456,435 39.8 % Central America, South America, and Mexico 2,685,098 9.5 % 2,361,089 9.0 % The Middle East and Africa 1,971,448 7.0 % 2,062,420 7.9 % U.S. and Canada 1,782,631 6.3 % 1,470,240 5.6 % Total $ 28,170,466 100.0 % $ 26,231,208 100.0 % The following table sets forth our top five lessees by net book value as of December 31, 2024 and 2023: December 31, 2024 December 31, 2023 Lessee % of Total Lessee % of Total Virgin Atlantic 6.5 % EVA Air 4.9 % Air France-KLM Group 6.2 % Virgin Atlantic 4.8 % ITA 5.6 % Air France-KLM Group 4.3 % Vietnam 4.6 % ITA 4.2 % Aeromexico 4.4 % Vietnam Airlines 4.1 % 38 Table of Contents The following table sets forth the number of aircraft in our owned fleet by aircraft type as of December 31, 2024 and 2023: December 31, 2024 December 31, 2023 Aircraft type Number of Aircraft % of Total Number of Aircraft % of Total Airbus A220-100 7 1.4 % 2 0.4 % Airbus A220-300 22 4.5 % 13 2.8 % Airbus A319-100 — — % 1 0.2 % Airbus A320-200 23 4.7 % 28 6.0 % Airbus A320-200neo 23 4.7 % 25 5.4 % Airbus A321-200 19 3.9 % 23 5.0 % Airbus A321-200neo 108 22.1 % 95 20.6 % Airbus A330-200 (1) 13 2.7 % 13 2.8 % Airbus A330-300 5 1.0 % 5 1.1 % Airbus A330-900neo 28 5.7 % 23 5.0 % Airbus A350-900 17 3.5 % 14 3.0 % Airbus A350-1000 8 1.6 % 7 1.5 % Boeing 737-700 2 0.4 % 3 0.6 % Boeing 737-800 61 12.5 % 73 15.8 % Boeing 737-8 MAX 59 12.1 % 52 11.2 % Boeing 737-9 MAX 30 6.1 % 29 6.3 % Boeing 777-200ER 1 0.2 % 1 0.2 % Boeing 777-300ER 24 4.9 % 24 5.2 % Boeing 787-9 26 5.3 % 25 5.4 % Boeing 787-10 12 2.5 % 6 1.3 % Embraer E190 1 0.2 % 1 0.2 % Total (2) 489 100.0 % 463 100.0 % (1) As of December 31, 2024 and 2023, aircraft count includes two Airbus A330-200 aircraft classified as freighters.
Passenger traffic volume has historically expanded at a faster rate than global GDP growth, in part due to the expansion of the global middle class and the ease and affordability of air travel, which we expect to continue.
Passenger traffic volume has historically expanded at a faster rate than GDP growth, in part due to the expansion of the global middle class and the ease and affordability of air travel, which we expect to continue.
We expect to have continued access to the investment grade bond market and other unsecured securities in the future, although we anticipate that interest rates for issuances in the near term will remain elevated compared to those available prior to 2022. • Unsecured bank facilities: We have active dialogue with a variety of global financial institutions and enter into new unsecured credit facilities from time to time as a means to supplement our liquidity and sources of funding.
We expect to have continued access to the investment grade bond market and other unsecured securities in the future, although we continue to anticipate that interest rates for issuances in the near term will remain elevated compared to those available prior to 2022. • Unsecured bank facilities: We have active dialogue with a variety of global financial institutions and enter into new unsecured credit facilities from time to time as a means to supplement our liquidity and sources of funding.
Deterioration of future lease rates and the residual values of our aircraft could result in impairment charges which could have a significant impact on our results of operations and financial condition. We record flight equipment at fair value if we determine the carrying value may not be recoverable.
Deterioration of 58 future lease rates and the residual values of our aircraft could result in impairment charges which could have a significant impact on our results of operations and financial condition. We record flight equipment at fair value if we determine the carrying value may not be recoverable.
The increase in selling, general and administrative expenses was primarily due to the increase in insurance premiums, aircraft transition costs and general operating expenses. Selling, general and administrative expenses represented 6.9% and 6.8% as a percentage of total revenue for the years ended December 31, 2023 and 2022, respectively.
The increase in selling, general and administrative expenses was primarily due to the increase in insurance 57 premiums, aircraft transition costs and general operating expenses. Selling, general and administrative expenses represented 6.9% and 6.8% as a percentage of total revenue for the years ended December 31, 2023 and 2022, respectively.
We may also redeem shares of the Series A Preferred Stock at our option under certain other limited conditions. The Series A Preferred Stock ranks on a parity with the Series B and Series C Preferred Stock.
We may also redeem shares of the Series B Preferred Stock at our option under certain other limited conditions. The Series B Preferred Stock ranks on a parity with the Series C Preferred Stock and the Series D Preferred Stock.
The final maturity for the facility is May 2027, although we expect to refinance this facility in advance of that date. The facility contains standard investment grade covenants and does not condition our ability to borrow on the lack of a material adverse effect on us or the general economy.
The final maturity for the facility is May 2028, although we expect to refinance this facility in advance of that date. The facility contains standard investment grade covenants and does not condition our ability to borrow on the lack of a material adverse effect on us or the general economy.
As of December 31, 2023 and 2022, we had 300,000 shares of 4.65% Fixed Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B (the “Series B Preferred Stock”), $0.01 par value, outstanding, with an aggregate liquidation preference of $300.0 million ($1,000 per share).
As of December 31, 2024 and 2023, we had 300,000 shares of 4.65% Fixed Rate Reset Non-Cumulative Perpetual Preferred Stock, Series B (the “Series B Preferred Stock”), $0.01 par value, outstanding, with an aggregate liquidation preference of $300.0 million ($1,000 per share).
As of December 31, 2023 and 2022, we had 300,000 shares of 4.125% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series C (the “Series C Preferred Stock”), $0.01 par value, outstanding with an aggregate liquidation preference of $300.0 million ($1,000 per share).
As of December 31, 2024 and 2023, we had 300,000 shares of 4.125% Fixed-Rate Reset Non-Cumulative Perpetual Preferred Stock, Series C (the “Series C Preferred Stock”), $0.01 par value, outstanding with an aggregate liquidation preference of $300.0 million ($1,000 per share).
Management believes these measures are helpful in evaluating the operating performance of our ongoing operations and identifying trends in our performance, because they remove the effects of certain non-cash items, one-time or non-recurring items that are not expected to continue in the future and certain other items from our operating results.
Management believes these measures are helpful in evaluating the operating performance of our ongoing operations and identifying trends in our performance, because they remove the effects of certain non-cash items, one-time or non-recurring items that are not expected to continue in the future and certain other items.
In addition, factors and trends including increased airline financing needs, OEM supply chain challenges and backlogs, the rising price of jet fuel, and environmental sustainability objectives impact the commercial aircraft leasing industry in the short-term and may increase the demand for our aircraft.
In addition, factors and trends including increased airline financing needs, OEM supply chain challenges and backlogs, the elevated price of jet fuel, and environmental sustainability objectives impact the commercial aircraft leasing industry in the short-term and may increase the demand for our aircraft.
Our senior unsecured notes also require us to offer to purchase all of the notes at a purchase price equal to 101% of the principal amount of the notes, plus accrued and unpaid interest if a “change of control repurchase event” (as defined in the applicable indenture or supplemental indenture) occurs. 45 Table of Contents The indentures that govern our senior unsecured notes requires us to comply with certain covenants, including restrictions on our ability to (i) incur liens on assets and (ii) merge, consolidate or transfer all or substantially all of our assets.
Our senior unsecured notes also require us to offer to purchase all of the notes at a purchase price equal to 101% of the principal amount of the notes, plus accrued and unpaid interest if a “change of control repurchase event” (as defined in the applicable indenture or supplemental indenture) occurs. 47 The indentures that govern our senior unsecured notes requires us to comply with certain covenants, including restrictions on our ability to (i) incur liens on assets and (ii) merge, consolidate or transfer all or substantially all of our assets.
We believe the current airline operating environment is favorably positioned for our Company and the broader commercial aircraft leasing industry. Factors such as increases in population growth and the size of the global middle class as well as air travel demand, and improved global economic health and development positively affect the long-term performance of the commercial aircraft leasing industry.
We believe the current airline operating environment is favorably positioned for us and the broader commercial aircraft leasing industry. Factors such as increases in population growth and the size of the global middle class as well as air travel demand, and improved global economic health and development positively affect the long-term performance of the commercial aircraft leasing industry.
We expect to sell approximately $1.5 billion in aircraft for the full year 2024 and continue to see robust demand in the secondary market to support our aircraft sales program. • Other sources: In addition to the above, we generate liquidity through cash received from security deposits and maintenance reserves from our lease agreements, other sources of debt financings (including secured bank term loans, export credit and private placements), as well as issuances of preferred stock.
We expect to sell approximately $1.5 billion in aircraft for 2025 and continue to see robust demand in the secondary market to support our aircraft sales program. • Other sources: In addition to the above, we generate liquidity through cash received from security deposits and maintenance reserves from our lease agreements, other sources of debt financings (including secured bank term loans, export credit and private placements), as well as issuances of preferred stock.
Our access to a variety of financing alternatives and the global capital markets, including capital raises through unsecured public notes denominated in U.S. dollars or various foreign currencies, private capital, bank debt, secured debt and preferred stock issuances serves as a key advantage in managing our liquidity.
Our access to a variety of financing alternatives and the global capital markets, including capital raises through unsecured public notes denominated in U.S. dollars or various foreign currencies, our commercial paper program, private capital, bank debt, secured debt and preferred stock issuances serves as a key advantage in managing our liquidity.
Syndicated unsecured revolving credit facility As of December 31, 2023 and December 31, 2022, we had $1.1 billion and $1.0 billion, respectively, outstanding under our syndicated unsecured revolving credit facility (the “Revolving Credit Facility”). Borrowings under the Revolving Credit Facility are used to finance our working capital needs in the ordinary course of business and for other general corporate purposes.
Unsecured syndicated revolving credit facility As of December 31, 2024 and 2023, we had $0.2 billion and $1.1 billion, respectively, outstanding under our unsecured syndicated revolving credit facility (the “Revolving Credit Facility”). Borrowings under the Revolving Credit Facility are used to finance our working capital needs in the ordinary course of business and for other general corporate purposes.
(2) Future interest payments on floating rate debt are estimated using floating rates in effect at December 31, 2023, which is inclusive of any cross-currency hedging arrangements.
(2) Future interest payments on floating rate debt are estimated using floating rates in effect at December 31, 2024, which is inclusive of any cross-currency hedging arrangements.
Lease rates are influenced by several factors above and beyond interest rates, including aircraft demand, supply technicals, supply chain disruptions, environmental initiatives and other factors that may result in a change in lease rates regardless of the interest rate environment and therefore, are difficult to project or forecast.
Lease rates are influenced by several factors above and beyond interest rates, including aircraft demand, supply technicals, supply chain disruptions, environmental initiatives and 42 Table of Contents other factors that may result in a change in lease rates regardless of the interest rate environment and therefore, are difficult to project or forecast.
We may also redeem shares of the Series B Preferred Stock at our option under certain other limited conditions. The Series B Preferred Stock ranks on a parity with the Series A Preferred Stock and the Series C Preferred Stock.
We may redeem shares of the Series D Preferred Stock at our option under certain other limited conditions. The Series D Preferred Stock ranks on a parity with the Series B and Series C Preferred Stock.
Adjusted net income before income taxes For the year ended December 31, 2023, our adjusted net income before income taxes was $733.6 million, or $6.58 per adjusted diluted share, compared to an adjusted net income before income taxes of $659.9 million, or $5.89 per adjusted diluted share, for the 54 Table of Contents year ended December 31, 2022.
Adjusted net income before income taxes For the year ended December 31, 2023, our adjusted net income before income taxes was $733.6 million, or $6.58 per adjusted diluted share, compared to an adjusted net income before income taxes of $659.9 million, or $5.89 per adjusted diluted share, for the year ended December 31, 2022.
When declared, dividends on the Series A Preferred Stock are reset quarterly and payable quarterly in arrears and dividends on the Series B Preferred Stock and Series C Preferred Stock are reset every five years and payable quarterly in arrears.
When declared, dividends on the Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock are reset every five years and payable quarterly in arrears.
We will pay dividends on the Series A Preferred Stock only when, as and if declared by the board of directors.
We will pay dividends on the Series D Preferred Stock only when, as and if declared by the board of directors.
We also believe the increase in lease rates and the tightening of credit markets may result in a shortfall of available capital to finance aircraft purchases, which could increase the demand for leasing.
We also believe the increase in lease rates and the sustained tightness in the credit markets may result in a shortfall of available capital to finance aircraft purchases, which could increase the demand for leasing.
As of December 31, 2023, we were in compliance in all material respects with the covenants contained in our debt agreements.
As of December 31, 2024, we were in compliance in all material respects with the covenants contained in our debt agreements.
The actual delivery dates of the aircraft in our commitments table and the expected time for payment of such aircraft may differ from our estimates and could be further impacted by the pace at which Airbus and Boeing can deliver aircraft, among other factors.
The actual delivery dates of the aircraft in our commitments table and the expected time for payment of such aircraft are currently expected to differ from our estimates and could be further impacted by the pace at which Airbus and Boeing can deliver aircraft, among other factors.
Our debt financing strategy is focused on raising unsecured debt in the global bank and debt capital markets, with limited utilization of government guaranteed export credit or other forms of secured financing. We ended 2023 with an aggregate borrowing capacity under our revolving credit facility of $6.3 billion and total liquidity of $6.8 billion.
Our debt financing strategy is focused on raising unsecured debt in the global bank and debt capital markets, with limited utilization of government guaranteed export credit or other forms of secured financing. We ended 2024 with an aggregate borrowing capacity under our unsecured revolving credit facility of $7.6 billion and total liquidity of $8.1 billion.
Adjusted 50 Table of Contents net income before income taxes, adjusted pre-tax margin, adjusted diluted earnings per share before income taxes and adjusted pre-tax return on common equity are presented as supplemental disclosure because management believes they provide useful information on our earnings from ongoing operations.
Adjusted net income before income taxes, adjusted pre-tax margin, adjusted diluted earnings per share before income taxes and adjusted pre-tax return on common equity are presented as supplemental disclosure because management believes they provide useful information on our earnings from ongoing operations.
These events of default are subject to certain exceptions and qualifications set forth in the indentures. On May 7, 2021, we renewed and refreshed our Medium-Term Note Program, under which we may issue, from time to time, up to $15.0 billion (or their U.S. dollar equivalent) of debt securities designated as our Medium-Term Notes, Series A.
These events of default are subject to certain exceptions and qualifications set forth in the indentures. On May 6, 2024, we renewed and refreshed our Medium-Term Note Program, under which we may issue, from time to time, up to $20.0 billion (or their U.S. dollar equivalent) of debt securities designated as our Medium-Term Notes, Series A.
As of December 31, 2023, we had a globally diversified customer base of 119 airlines in 62 different countries, with over 95% of our business revenues from airlines domiciled outside of the U.S., and we anticipate that most of our revenues in the future will be generated from foreign customers.
As of December 31, 2024, we had a globally diversified customer base of 116 airlines in 58 different countries, with over 95% of our business revenues from airlines domiciled outside of the U.S., and we anticipate that most of our revenues in the future will be generated from foreign customers.
Our operating performance is driven by the growth of our fleet, the terms of our leases, the interest rates on our debt, and the aggregate amount of our indebtedness, supplemented by gains from aircraft sales and our management fees. 2023 Summary During the year ended December 31, 2023, we purchased 71 new aircraft from Airbus and Boeing and sold 27 aircraft 1 .
Our operating performance is driven by the growth of our fleet, the terms of our leases, the interest rates on our debt, and the aggregate amount of our indebtedness, supplemented by gains from aircraft sales and our management fees. 2024 Summary During the year ended December 31, 2024, we purchased 65 new aircraft from Airbus and Boeing and sold 39 aircraft.
The weighted average age of our fleet 2 was 4.6 years and the weighted average lease term remaining was 7.0 years as of December 31, 2023. Our managed fleet was comprised of 78 aircraft as of December 31, 2023 compared to 85 aircraft as of December 31, 2022.
The weighted average age of our fleet was 4.6 years and the weighted average lease term remaining was 7.2 years as of December 31, 2024. Our managed fleet was comprised of 60 aircraft as of December 31, 2024 compared to 78 aircraft as of December 31, 2023.
The table is subject to change based on Airbus and Boeing delivery delays. As noted below, we expect delivery delays for all of the aircraft in our orderbook. We remain in discussions with Airbus and Boeing to determine the extent and duration of delivery delays; however, we are not currently able to determine the full impact of these delays.
The tables are subject to change based on Airbus and Boeing delivery delays. As noted below, we expect delivery delays for most of the aircraft in our orderbook. We remain in discussions with Airbus and Boeing to determine the extent and duration of delivery delays; however, we are not currently unable to determine the full impact of these delays.
The Series B Preferred Stock and Series C Preferred Stock each have a redemption price of $1,000.00 per share, plus any declared and unpaid dividends to, but excluding, the redemption date without accumulation of any undeclared dividends. (3) Dividends on preferred stock are discretionary and non-cumulative.
Treasury plus 2.560% Total 900,000 $ 900,000 (1) The Series B Preferred Stock, Series C Preferred Stock and Series D Preferred Stock each have a redemption price of $1,000.00 per share, plus any declared and unpaid dividends to, but excluding, the redemption date without accumulation of any undeclared dividends. (2) Dividends on preferred stock are discretionary and non-cumulative.
(2) As of December 31, 2023, our owned fleet count included 14 aircraft classified as flight equipment held for sale and 12 aircraft classified as net investments in sales-type leases, which are both included in Other assets on the Consolidated Balance Sheet. 3 Adjusted net income before income taxes excludes the effects of certain non-cash items, one-time or non-recurring items that are not expected to continue in the future and certain other items, such as net write-offs and recoveries related to our former Russian fleet.
(2) As of December 31, 2024 and 2023, our owned fleet count included 30 and 14 aircraft classified as flight equipment held for sale, respectively, and 15 and 12 aircraft classified as net investments in sales-type leases, respectively, which are both included in Other assets on the Consolidated Balance Sheet. 2 Adjusted net income before income taxes excludes the effects of certain non-cash items, such as non-cash deemed dividends upon redemption of our Series A preferred stock, one-time or non-recurring items that are not expected to continue in the future, such as net write-offs and recoveries related to our former Russian fleet, and certain other items.
Ongoing aircraft delivery delays as a product of manufacturer delays are expected to further reduce our aircraft investment and debt financing needs for the next 12 months and potentially beyond.
Ongoing aircraft delivery delays due to manufacturer delays are expected to further reduce our aircraft investment and debt financing needs for the next 12 months and potentially beyond.
As of February 15, 2024, we or the respective managed platform maintain title to 16 aircraft previously included in our owned fleet and two aircraft previously included in our managed fleet that are still detained in Russia.
As of February 13, 2025, we maintain title to 16 aircraft previously included in our owned fleet and the respective managed platform maintains title to two aircraft previously included in our managed fleet that are still detained in Russia.
We expect the sale of the majority of our aircraft classified as flight equipment held for sale to be completed in 2024.
We expect the sale of the majority of our aircraft classified as flight equipment held for sale to be completed during 2025.
As of December 31, 2023, we had $15.7 billion in aggregate principal amount of senior unsecured notes outstanding, all of which have been issued in SEC-registered offerings and with remaining terms ranging from one month to 8.04 years and bearing interest at fixed rates ranging from 0.70% to 5.94%.
As of December 31, 2024, we had $15.4 billion in aggregate principal amount of senior unsecured notes outstanding, all of which have been issued in SEC-registered offerings and with remaining terms ranging from one month to 7.04 years and bearing interest at fixed rates ranging from 1.875% to 5.95%.
The Revolving Credit Facility provides for certain covenants, including covenants that limit our subsidiaries’ ability to incur, create, or assume certain unsecured indebtedness, and our subsidiaries’ abilities to engage in certain mergers, consolidations, and asset sales.
Interest rate and facility fees are subject to changes in our credit ratings. The Revolving Credit Facility provides for certain covenants, including covenants that limit our subsidiaries’ ability to incur, create, or assume certain unsecured indebtedness, and our subsidiaries’ abilities to engage in certain mergers, consolidations, and asset sales.
(2) As of December 31, 2023, our owned fleet count included 14 aircraft classified as flight equipment held for sale and 12 aircraft classified as net investments in sales-type leases, which are both included in Other assets on the Consolidated Balance Sheet. 38 Table of Contents As of December 31, 2023, we had contractual commitments to purchase 334 new aircraft, with an estimated aggregate purchase price (including adjustments for anticipated inflation) of $21.7 billion, for delivery through 2028 as shown in the following table.
(2) As of December 31, 2024 and 2023, our owned fleet count included 30 and 14 aircraft classified as flight equipment held for sale, respectively, and 15 and 12 aircraft classified as net investments in sales-type leases, respectively, which are both included in Other assets on the Consolidated Balance Sheet. 39 Table of Contents As of December 31, 2024, we had contractual commitments to purchase 269 new aircraft, with an estimated aggregate purchase price (including adjustments for anticipated inflation) of $17.1 billion, for delivery through 2029 as shown in the following tables.
This higher interest rate environment has resulted in increased borrowing costs for us during 2023 and will result in increased borrowing costs until interest rates decline. Historically, there has been a lag between a rise in interest rates and subsequent increases in lease rates.
This persistently elevated interest rate environment has resulted in increased borrowing costs for us and will continue to result in increased borrowing costs until interest rates decline. Historically, there has been a lag between a rise in interest rates and subsequent increases in lease rates.
Our airline customers are facing higher operating costs as a result of higher fuel costs, interest rates and inflation, foreign currency risk, ongoing labor shortages and disputes, as well as delays and cancellations caused by the global air traffic control system and airports, although the magnitude of underlying pre-pandemic demand returning to the market is offering a strong counterbalance to these increased costs.
Our airline customers are facing higher operating costs as a result of higher fuel costs, persistently elevated interest rates, inflation, foreign currency risk, ongoing labor shortages and disputes, as well as delays and cancellations caused by the global air traffic control system and airports, although strong air traffic demand has provided a counterbalance to these increased costs.
Preferred equity The following table summarizes the Company’s preferred stock issued and outstanding as of December 31, 2023 and 2022(in thousands, except for share amounts and percentages): Shares Issued and Outstanding as of December 31, 2023 and 2022 Liquidation Preference as of December 31, 2023 and 2022 (2) Issue Date Dividend Rate in Effect at December 31, 2023 and 2022 (3) Next dividend rate reset date Dividend rate after reset date Series A 10,000,000 $ 250,000 March 5, 2019 6.150 % March 15, 2024 3M Term SOFR (1) plus 3.65% Series B 300,000 300,000 March 2, 2021 4.650 % June 15, 2026 5 Yr U.S.
Preferred equity The following table summarizes our preferred stock issued and outstanding as of December 31, 2024 (in thousands, except for share amounts and percentages): Shares Issued and Outstanding as of December 31, 2024 Liquidation Preference as of December 31, 2024 (1) Issue Date Dividend Rate in Effect at December 31, 2024 (2) Next dividend rate reset date Dividend rate after reset date (3) Series B 300,000 $ 300,000 March 2, 2021 4.650 % June 15, 2026 5 Yr U.S.
Financial Statements and Supplementary Data” in this Annual Report on Form 10-K. 42 Table of Contents • Unsecured revolving credit facility : As of February 15, 2024, our $7.4 billion revolving credit facility is syndicated across 51 financial institutions from various regions of the world, diversifying our reliance on any individual lending institution.
Financial Statements and Supplementary Data” in this Annual Report on Form 10-K. • Unsecured revolving credit facility : As of February 13, 2025, our $7.8 billion revolving credit facility is syndicated across 52 financial institutions from various regions of the world, diversifying our reliance on any individual lending institution.
As a result, the timing of our purchase commitments shown in the table above may not reflect when the aircraft investments are eventually made. For 2024, we currently expect to make between $4.5 billion and $5.5 billion in aircraft investments.
As a result, the timing of our contractual purchase commitments shown in the table above may not reflect when the aircraft investments are actually made. For 2025, we currently expect to make between $3.0 billion to $3.5 billion in aircraft investments.
As of December 31, 2022, we had $17.1 billion in aggregate principal amount of senior unsecured notes outstanding bearing interest at fixed rates ranging from 0.70% to 5.85%.
As of December 31, 2023, we had $15.7 billion in aggregate principal amount of senior unsecured notes outstanding bearing interest at fixed rates ranging from 0.70% to 5.94%.
We ended 2023 with total debt outstanding of $19.4 billion, of which 84.7% was at a fixed rate and 98.4% of which was unsecured, and in the aggregate, our composite cost of funds was 3.77%.
As of December 31, 2023, we had total debt outstanding of 43 Table of Contents $19.4 billion, of which 84.7% was at a fixed rate and 98.4% of which was unsecured, and in the aggregate, our composite cost of funds was 3.77%.
As of December 31, 2023, we had an outstanding balance of $305.5 million in secured debt financings and pledged four aircraft as collateral with a net book value of $445.9 million.
As of December 31, 2023, we had an outstanding balance of $305.5 million in secured debt financings and pledged four aircraft as collateral with a net book value of $445.9 million. All of our secured obligations as of December 31, 2024 and 2023 were recourse in nature to us.
Senior unsecured securities (including Medium-Term Note Program) As of December 31, 2023, we had $16.3 billion in senior unsecured securities outstanding. As of December 31, 2022, we had $17.1 billion in senior unsecured securities outstanding. Public unsecured notes.
Senior unsecured securities (including Medium-Term Note Program) As of December 31, 2024 and 2023, we had $16.0 billion and $16.3 billion in senior unsecured securities outstanding, respectively. Public unsecured notes.
We believe leasing will continue to be an attractive form of aircraft financing for airlines because less cash and financing is required for the airlines, lessors maintain key delivery positions, and it provides fleet flexibility while eliminating residual value risk for lessees.
We believe leasing will continue to be an attractive form of aircraft financing for airlines because less cash and financing is required for the airlines, lessors maintain key delivery positions, and it provides fleet flexibility while eliminating residual value risk for lessees. Update on Russian Fleet As previously disclosed in our filings with the U.S.
We may redeem shares of the Series A Preferred Stock at our option, in whole or in part, from time to time, on or after March 15, 2024, for cash at a redemption price equal to $25.00 per share, plus any declared and unpaid dividends to, but excluding, the redemption date, without accumulation of any undeclared dividends.
We may redeem shares of the Series D Preferred Stock at our option, in whole or in part, from time to time, on any dividend payment date on or after December 15, 2029, for cash at a redemption price equal to $1,000 per share, plus any declared and unpaid dividends, without accumulation of any undeclared dividends.
Our portfolio metrics as of December 31, 2023 and 2022 are as follows: December 31, 2023 December 31, 2022 Net book value of flight equipment subject to operating lease $ 26.2 billion $ 24.5 billion Weighted-average fleet age (1) 4.6 years 4.5 years Weighted-average remaining lease term (1) 7.0 years 7.1 years Owned fleet (2) 463 417 Managed fleet 78 85 Aircraft on order 334 398 Total 875 900 Current fleet contracted rentals $ 16.4 billion $ 15.6 billion Committed fleet rentals $ 14.6 billion $ 15.8 billion Total committed rentals $ 31.0 billion $ 31.4 billion (1) Weighted-average fleet age and remaining lease term calculated based on net book value of our flight equipment subject to operating lease.
Our portfolio metrics as of December 31, 2024 and 2023 are as follows: December 31, 2024 December 31, 2023 Net book value of flight equipment subject to operating lease $ 28.2 billion $ 26.2 billion Weighted-average fleet age (1) 4.6 years 4.6 years Weighted-average remaining lease term (1) 7.2 years 7.0 years Owned fleet (2) 489 463 Managed fleet 60 78 Aircraft on order 269 334 Total 818 875 Current fleet contracted rentals $ 18.3 billion $ 16.4 billion Committed fleet rentals $ 11.2 billion $ 14.6 billion Total committed rentals $ 29.5 billion $ 31.0 billion (1) Weighted-average fleet age and remaining lease term calculated based on net book value of our flight equipment subject to operating lease.
All of our senior unsecured notes issued since 2019 have consisted of Medium-Term Notes, Series A, issued under our Medium-Term Note Program. As of February 15, 2024, we had approximately $8.3 billion remaining capacity under our Medium-Term Note Program. Private placement securities.
All of our senior unsecured notes issued since 2019 have consisted of Medium-Term Notes, Series A, issued under our Medium-Term Note Program. As of February 13, 2025, we had approximately $18.8 billion remaining capacity under our Medium-Term Note Program.
Our interest expense increased due to an increase in our composite cost of funds to 3.77% as compared to 3.07% in the prior year. We expect our interest expense will continue to increase as our average debt balance outstanding increases along with our composite cost of funds.
Our interest expense increased due to an increase in our composite cost of funds to 4.14% as compared to 3.77% in the prior year. We expect our interest expense will continue to increase as our average debt balance outstanding increases with the growth of our fleet based on prevailing interest rates.
Adjusted net income before income taxes 3 during the year ended December 31, 2023 was $733.6 million or $6.58 per adjusted diluted share, as compared to $659.9 million, or $5.89 per adjusted diluted share, for the year ended December 31, 2022.
Adjusted net income before income taxes 2 during the year ended December 31, 2024 was $574.2 million or $5.13 per adjusted diluted share, as compared to $733.6 million, or $6.58 per adjusted diluted share, for the year ended December 31, 2023.
The above table does not include any tax payments we may pay nor any dividends we may pay on our preferred stock or common stock. Cash Flows Our cash flow provided by operating activities increased by $0.4 billion to $1.7 billion for the year ended December 31, 2023.
The above table does not include any tax payments we may pay nor any dividends our board of directors may declare on our preferred stock or common stock. Cash Flows Our cash flow provided by operating activities decreased by $69.9 million to $1.7 billion for the year ended December 31, 2024.
The following table shows the reconciliation of the numerator for adjusted pre-tax margin (in thousands, except percentages): Year Ended December 31, 2023 2022 2021 (unaudited) Reconciliation of the numerator for adjusted pre-tax margin (net income/(loss) attributable to common stockholders to adjusted net income before income taxes): Net income/(loss) attributable to common stockholders $ 572,922 $ (138,724) $ 408,159 Amortization of debt discounts and issuance costs 54,053 53,254 50,620 Write-off of Russian fleet, net of (recoveries) (67,022) 771,476 — Stock-based compensation expense 34,615 15,603 26,516 Income tax expense/(benefit) 139,012 (41,741) 104,384 Adjusted net income before income taxes $ 733,580 $ 659,868 $ 589,679 Denominator for adjusted pre-tax margin: Total revenues 2,684,977 2,317,302 2,088,389 Adjusted pre-tax margin (a) 27.3 % 28.5 % 28.2 % (a) Adjusted pre-tax margin is adjusted net income before income taxes divided by total revenues 51 Table of Contents The following table shows the reconciliation of the numerator for adjusted diluted earnings per share before income taxes (in thousands, except share and per share amounts): Year Ended December 31, 2023 2022 2021 Reconciliation of the numerator for adjusted diluted earnings per share (net income/(loss) attributable to common stockholders to adjusted net income before income taxes): Net income/(loss) attributable to common stockholders $ 572,922 $ (138,724) $ 408,159 Amortization of debt discounts and issuance costs 54,053 53,254 50,620 Write-off of Russian fleet, net of (recoveries) (67,022) 771,476 — Stock-based compensation expense 34,615 15,603 26,516 Income tax expense/(benefit) 139,012 (41,741) 104,384 Adjusted net income before income taxes $ 733,580 $ 659,868 $ 589,679 Denominator for adjusted diluted earnings per share: Weighted-average diluted common shares outstanding 111,438,589 111,626,508 114,446,093 Potentially dilutive securities, whose effect would have been anti-dilutive — 361,186 — Adjusted weighted-average diluted common shares outstanding 111,438,589 111,987,694 114,446,093 Adjusted diluted earnings per share before income taxes (b) $ 6.58 $ 5.89 $ 5.15 (b) Adjusted diluted earnings per share before income taxes is adjusted net income before income taxes divided by adjusted weighted-average diluted common shares outstanding 52 Table of Contents The following table shows the reconciliation of pre-tax return on common equity to adjusted pre-tax return on common equity (in thousands, except percentages): Year Ended December 31, 2023 2022 2021 (unaudited) Reconciliation of the numerator for adjusted pre-tax return on common equity (net income/(loss) attributable to common stockholders to adjusted net income before income taxes): Net income/(loss) attributable to common stockholders $ 572,922 $ (138,724) $ 408,159 Amortization of debt discounts and issuance costs 54,053 53,254 50,620 Write-off of Russian fleet, net of (recoveries) (67,022) 771,476 — Stock-based compensation expense 34,615 15,603 26,516 Income tax expense/(benefit) 139,012 (41,741) 104,384 Adjusted net income before income taxes $ 733,580 $ 659,868 $ 589,679 Reconciliation of denominator for pre-tax return on common equity to adjusted pre-tax return on common equity: Common shareholders' equity as of beginning of the period $ 5,796,363 $ 6,158,568 $ 5,822,341 Common shareholders' equity as of end of the period $ 6,310,038 $ 5,796,363 $ 6,158,568 Average common shareholders' equity $ 6,053,201 $ 5,977,466 $ 5,990,455 Adjusted pre-tax return on common equity (c) 12.1 % 11.0 % 9.8 % (c) Adjusted pre-tax return on common equity is adjusted net income before income taxes divided by average common shareholders’ equity 2023 Compared to 2022 Rental of flight equipment revenue During the year ended December 31, 2023, we recorded $2.5 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $91.9 million, as compared to $2.2 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $29.2 million, for the year ended December 31, 2022.
(b) Adjusted pre-tax margin is adjusted net income before income taxes divided by total revenues 53 The following table shows the reconciliation of the numerator for adjusted diluted earnings per share before income taxes (in thousands, except share and per share amounts): Year Ended December 31, 2024 2023 2022 (unaudited) Reconciliation of the numerator for adjusted diluted earnings per share (net income/(loss) attributable to common stockholders to adjusted net income before income taxes): Net income/(loss) attributable to common stockholders $ 372,073 $ 572,922 $ (138,724) Amortization of debt discounts and issuance costs 54,823 54,053 53,254 Write-off of Russian fleet, net of (recoveries) — (67,022) 771,476 Stock-based compensation expense 33,887 34,615 15,603 Income tax expense/(benefit) 105,553 139,012 (41,741) Deemed dividend adjustment 7,869 — — Adjusted net income before income taxes $ 574,205 $ 733,580 $ 659,868 Denominator for adjusted diluted earnings per share: Weighted-average diluted common shares outstanding 111,869,386 111,438,589 111,626,508 Potentially dilutive securities, whose effect would have been anti-dilutive — — 361,186 Adjusted weighted-average diluted common shares outstanding 111,869,386 111,438,589 111,987,694 Adjusted diluted earnings per share before income taxes (c) $ 5.13 $ 6.58 $ 5.89 (c) Adjusted diluted earnings per share before income taxes is adjusted net income before income taxes divided by adjusted weighted-average diluted common shares outstanding 54 The following table shows the reconciliation of pre-tax return on common equity to adjusted pre-tax return on common equity (in thousands, except percentages): Year Ended December 31, 2024 2023 2022 (unaudited) Reconciliation of the numerator for adjusted pre-tax return on common equity (net income/(loss) attributable to common stockholders to adjusted net income before income taxes): Net income/(loss) attributable to common stockholders $ 372,073 $ 572,922 $ (138,724) Amortization of debt discounts and issuance costs 54,823 54,053 53,254 Write-off of Russian fleet, net of (recoveries) — (67,022) 771,476 Stock-based compensation expense 33,887 34,615 15,603 Income tax expense/(benefit) 105,553 139,012 (41,741) Deemed dividend adjustment 7,869 — — Adjusted net income before income taxes $ 574,205 $ 733,580 $ 659,868 Reconciliation of denominator for pre-tax return on common equity to adjusted pre-tax return on common equity: Common shareholders' equity as of beginning of the period $ 6,310,038 $ 5,796,363 $ 6,158,568 Common shareholders' equity as of end of the period $ 6,632,626 $ 6,310,038 $ 5,796,363 Average common shareholders' equity $ 6,471,332 $ 6,053,201 $ 5,977,466 Adjusted pre-tax return on common equity (d) 8.9 % 12.1 % 11.0 % (d) Adjusted pre-tax return on common equity is adjusted net income before income taxes divided by average common shareholders’ equity 2024 Compared to 2023 Rental of flight equipment revenue During the year ended December 31, 2024, we recorded $2.49 billion in rental revenue, which included amortization expense related to initial direct costs, net of overhaul revenue of $21.4 million, as compared to $2.48 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $91.9 million, for the year ended December 31, 2023.
We may also redeem shares of the Series C Preferred Stock at our option under certain other limited conditions. The Series C Preferred Stock ranks on a parity with the Series A and Series B Preferred Stock.
We may also redeem shares of the Series C Preferred Stock at our option under certain other limited conditions.
The following table summarizes our current credit ratings: Rating Agency Long-term Debt Corporate Rating Outlook Date of Last Ratings Action Kroll Bond Ratings A- A- Stable March 24, 2023 Standard and Poor’s BBB BBB Stable January 19, 2024 Fitch Ratings BBB BBB Stable December 19, 2023 While a ratings downgrade would not result in a default under any of our debt agreements, it could adversely affect our ability to issue debt and obtain new financings, or renew existing financings, and it would increase the interest rate applicable to certain of our financings. 49 Table of Contents Results of Operations Year Ended December 31, 2023 Year Ended December 31, 2022 Year Ended December 31, 2021 (in thousands, except share and per share amounts and percentages) Revenues Rental of flight equipment $ 2,477,607 $ 2,214,508 $ 2,003,337 Aircraft sales, trading, and other 207,370 102,794 85,052 Total revenues 2,684,977 2,317,302 2,088,389 Expenses Interest 654,910 492,924 462,396 Amortization of debt discounts and issuance costs 54,053 53,254 50,620 Interest expense 708,963 546,178 513,016 Depreciation of flight equipment 1,068,772 965,955 882,562 Write-off of Russian fleet, net of (recoveries) (67,022) 771,476 — Selling, general, and administrative 186,015 156,855 125,279 Stock-based compensation expense 34,615 15,603 26,516 Total expenses 1,931,343 2,456,067 1,547,373 Income/(Loss) before taxes 753,634 (138,765) 541,016 Income tax (expense)/benefit (139,012) 41,741 (104,384) Net income/(loss) $ 614,622 $ (97,024) $ 436,632 Preferred stock dividends (41,700) (41,700) (28,473) Net income/(loss) attributable to common stockholders $ 572,922 $ (138,724) $ 408,159 Earnings/(loss) per share of common stock Basic $ 5.16 $ (1.24) $ 3.58 Diluted $ 5.14 $ (1.24) $ 3.57 Weighted-average shares of common stock outstanding Basic 111,005,088 111,626,508 114,050,578 Diluted 111,438,589 111,626,508 114,446,093 Other financial data Pre-tax margin 28.1 % (6.0) % 25.9 % Adjusted net income before income taxes (1) $ 733,580 $ 659,868 $ 589,679 Adjusted pre-tax margin (1) 27.3 % 28.5 % 28.2 % Adjusted diluted earnings per share before income taxes (1) $ 6.58 $ 5.89 $ 5.15 Pre-tax return on common equity 11.8 % (3.0) % 8.6 % Adjusted pre-tax return on common equity (1) 12.1 % 11.0 % 9.8 % (1) Adjusted net income before income taxes (defined as net income/(loss) attributable to common stockholders excluding the effects of certain non-cash items, one-time or non-recurring items, such as net write-offs and recoveries related to our former Russian fleet, that are not expected to continue in the future and certain other items), adjusted pre-tax margin (defined as adjusted net income before income taxes divided by total revenues), adjusted diluted earnings per share before income taxes (defined as adjusted net income before income taxes divided by the weighted average diluted common shares outstanding) and adjusted pre-tax return on common equity (defined as adjusted net income before income taxes divided by average common shareholders’ equity) are measures of operating performance that are not defined by GAAP and should not be considered as an alternative to net income/(loss) attributable to common stockholders, pre-tax margin, earnings/(loss) per share, diluted earnings/(loss) per share and pre-tax return on common equity, or any other performance measures derived in accordance with GAAP.
The following table summarizes our current credit ratings, including our short-term ratings for our commercial paper program: Rating Agency Long-term Debt Short-Term Rating Corporate Rating Outlook Date of Last Ratings Action Kroll Bond Ratings A- K-1 A- Stable March 22, 2024 Standard and Poor’s BBB A-2 BBB Stable November 1, 2024 Fitch Ratings BBB F-3 BBB Stable June 4, 2024 While a ratings downgrade would not result in a default under any of our debt agreements, it could adversely affect our ability to issue debt and obtain new financings, or renew existing financings, and it would increase the interest rate applicable to certain of our financings. 51 Results of Operations Year Ended December 31, 2024 Year Ended December 31, 2023 Year Ended December 31, 2022 (in thousands, except share and per share amounts and percentages) Revenues Rental of flight equipment $ 2,487,955 $ 2,477,607 $ 2,214,508 Aircraft sales, trading, and other 245,702 207,370 102,794 Total revenues 2,733,657 2,684,977 2,317,302 Expenses Interest 781,996 654,910 492,924 Amortization of debt discounts and issuance costs 54,823 54,053 53,254 Interest expense 836,819 708,963 546,178 Depreciation of flight equipment 1,143,761 1,068,772 965,955 Write-off of Russian fleet, net of (recoveries) — (67,022) 771,476 Selling, general, and administrative 185,933 186,015 156,855 Stock-based compensation expense 33,887 34,615 15,603 Total expenses 2,200,400 1,931,343 2,456,067 Income/(loss) before taxes 533,257 753,634 (138,765) Income tax (expense)/benefit (105,553) (139,012) 41,741 Net income/(loss) $ 427,704 $ 614,622 $ (97,024) Preferred stock dividends (55,631) (41,700) (41,700) Net income/(loss) attributable to common stockholders $ 372,073 $ 572,922 $ (138,724) Earnings/(loss) per share of common stock Basic $ 3.34 $ 5.16 $ (1.24) Diluted $ 3.33 $ 5.14 $ (1.24) Weighted-average shares of common stock outstanding Basic 111,325,481 111,005,088 111,626,508 Diluted 111,869,386 111,438,589 111,626,508 Other financial data Pre-tax margin 19.5 % 28.1 % (6.0) % Adjusted net income before income taxes (1) $ 574,205 $ 733,580 $ 659,868 Adjusted pre-tax margin (1) 21.0 % 27.3 % 28.5 % Adjusted diluted earnings per share before income taxes (1) $ 5.13 $ 6.58 $ 5.89 Pre-tax return on common equity 7.4 % 11.8 % (3.0) % Adjusted pre-tax return on common equity (1) 8.9 % 12.1 % 11.0 % 11.0 % (1) Adjusted net income before income taxes (defined as net income/(loss) attributable to common stockholders excluding the effects of certain non-cash items, such as non-cash deemed dividends upon redemption of our Series A preferred stock, one-time or non-recurring items that are not expected to continue in the future, such as net write-offs and recoveries related to our former Russian fleet, and certain items, adjusted pre-tax margin (defined as adjusted net income before income taxes divided by total revenues), adjusted diluted earnings per share before income taxes (defined as adjusted net income before income taxes divided by the weighted average diluted common shares outstanding) and adjusted pre-tax return on common equity (defined as adjusted net income before income taxes divided by average common shareholders’ equity) are measures of operating performance that are not defined by GAAP and should not be considered as an alternative to net income/(loss) attributable to common stockholders, pre-tax margin, earnings/(loss) per share, diluted earnings/(loss) per share and pre-tax return on common equity, or any 52 other performance measures derived in accordance with GAAP.
We have a globally diversified customer base comprised of 119 airlines in 62 countries as of December 31, 2023. We continued to maintain a strong lease utilization rate of 99.9% for the year ended December 31, 2023.
We have a globally diversified customer base comprised of 116 airlines in 58 countries as of December 31, 2024. We continued to maintain a strong lease utilization rate of 100.0% for the year ended December 31, 2024.
Liquidity and Capital Resources Overview We ended 2023 with available liquidity of $6.8 billion which was comprised of unrestricted cash of $0.5 billion and undrawn balances under our unsecured revolving credit facility of $6.3 billion.
Liquidity and Capital Resources Overview We ended 2024 with available liquidity of approximately $8.1 billion which was comprised of unrestricted cash of $472.6 million and undrawn balances under our unsecured revolving credit facility of $7.6 billion.
We have $1.5 billion of aircraft in our sales pipeline, which includes $605.1 million of aircraft classified as flight equipment held for sale as of December 31, 2023 and $891.8 million of aircraft subject to letters of intent 4 .
We have $1.1 billion of aircraft in our sales pipeline 3 , which includes $951.2 million of aircraft classified as flight equipment held for sale as of December 31, 2024 and $177.7 million of aircraft subject to letters of intent 4 .
Interest expense Interest expense totaled $546.2 million for the year ended December 31, 2022 compared to $513.0 million for the year ended December 31, 2021. Our interest expense increased due to an increase in our average debt balance and an increase in our composite cost of funds as compared to the prior year.
Interest expense Interest expense totaled $709.0 million for the year ended December 31, 2023 compared to $546.2 million for the year ended December 31, 2022. Our interest expense increased due to an increase in our composite cost of funds to 3.77% as compared to 3.07% in the prior year.
We account for our interest in these funds under the equity method of accounting due to our level of influence and involvement in the funds. Also, we manage aircraft that we have sold through our Thunderbolt platform. In connection with the sale of certain aircraft portfolios through our Thunderbolt platform, we hold non-controlling interests of approximately 5.0% in two entities.
We have non-controlling interests in two investment funds in which we own 9.5% of the equity of each fund. We account for our interest in these funds under the equity method of accounting due to our level of influence and involvement in the funds. Also, we manage certain aircraft that we have sold through our Thunderbolt platform.
Treasury Rate as of the applicable reset dividend determination date plus a spread of 4.076% per reset period from June 15, 2026 and reset every five years and payable quarterly in arrears. 47 Table of Contents We may redeem shares of the Series B Preferred Stock at our option, in whole or in part, from time to time, on any dividend payment date on or after June 15, 2026, for cash at a redemption price equal to $1,000 per share, plus any declared and unpaid dividends, without accumulation of any undeclared dividends.
We may redeem shares of the Series B Preferred Stock at our option, in whole or in part, from time to time, on any dividend payment date on or after June 15, 2026, for cash at a redemption price equal to $1,000 per share, plus any declared and unpaid dividends, without accumulation of any undeclared dividends.
These rental payments are a primary driver of our short and long-term operating cash flow. As of December 31, 2023, our minimum future rentals on non-cancellable operating leases for the next 12 months was $2.4 billion. For further detail on our minimum future rentals for 2025 and thereafter, see “Notes to Consolidated Financial Statements” under “Item 8.
These rental payments are a primary driver of our short and long-term operating cash flow. As of December 31, 2024, our minimum future rentals on non-cancellable operating leases for the next 12 months was $2.6 billion. For further detail on our minimum future rentals for 2026 and thereafter, see Note 7.
As of December 31, 2023, we had commitments to purchase 334 aircraft from Airbus and Boeing for delivery through 2028, with an estimated aggregate commitment of $21.7 billion. We have placed 100% of our committed orderbook on long-term leases for aircraft delivering through the end of 2025 and have placed approximately 65% of our entire orderbook.
As of December 31, 2024, we had commitments to purchase 269 aircraft from Airbus and Boeing for delivery through 2029, with an estimated aggregate commitment of $17.1 billion. We have placed 100% of our expected orderbook on long-term leases for aircraft delivering through the end of 2026 and have placed approximately 62% of our entire orderbook.
We ended the year with a total of 463 aircraft in our owned fleet. The net book value of our fleet grew by 6.9% to $26.2 billion as of December 31, 2023 compared to $24.5 billion as of December 31, 2022.
We ended the year with a total of 489 aircraft in our owned fleet. The net book value of our fleet 1 grew by 7.4% to $28.2 billion as of December 31, 2024 compared to $26.2 billion as of December 31, 2023.
Unsecured term financings In 2023, we entered into a $750.0 million unsecured term loan that bears interest at a floating rate of Term SOFR plus a credit spread adjustment of 0.10% plus 1.4% and has a final maturity on November 24, 2026. The term loan contains customary covenants and events of default consistent with our Revolving Credit Facility.
As amended, the term loan bears interest at a floating rate of one-month Term SOFR plus 1.20% plus a credit spread adjustment of 0.10% and has a final maturity on November 24, 2026. The term loan contains customary covenants and events of default consistent with our Revolving Credit Facility.
Lenders held revolving commitments of approximately $7.1 billion that mature on May 5, 2027, commitments totaling $320.0 million that mature on May 5, 2026 and commitments totaling $32.5 million that mature on May 5, 2025.
As of February 13, 2025, lenders held revolving commitments totaling approximately $7.5 billion that mature on May 5, 2028, commitments totaling $25.0 million that mature on May 5, 2027, $210.0 million that mature on May 5, 2026 and commitments totaling $25.0 million that mature on May 5, 2025.
Depreciation expense We recorded $1.1 billion in depreciation expense of flight equipment for the year ended December 31, 2023 compared to $1.0 billion for the year ended December 31, 2022. The increase in depreciation expense for 2023 compared to 2022 is primarily attributable to the growth of our fleet.
Depreciation expense We recorded $1.14 billion in depreciation expense of flight equipment for the year ended December 31, 2024 compared to $1.07 billion for the year ended December 31, 2023. The increase in depreciation expense for 2024 compared to 2023 is primarily attributable to the growth of our fleet, partially offset by aircraft sales activity during the year.
Our purchase agreements with Airbus and Boeing generally provide each of us and the manufacturers with cancellation rights for delivery delays starting at one year after the original contractual delivery date, regardless of cause.
The residual impacts of the Boeing labor strike have impacted and may continue to impact the broader aviation supply chain. Our purchase agreements with Airbus and Boeing generally provide each of us and the manufacturers with cancellation rights for delivery delays starting at one year after the original contractual delivery date, regardless of cause.
Tighter monetary policies in the United States and other countries since early 2022 resulted in rapid interest rate increases over a relatively short period of time and many are predicting that rates may remain elevated.
A shift in monetary policy in the United States and other countries beginning in 2022 resulted in rapid interest rate increases over a relatively short period of time and many are predicting that rates may remain elevated despite rate cuts made in late 2024 by the FOMC.
Our material cash sources include: • Unrestricted cash: We ended 2023 with $460.9 million in unrestricted cash. • Lease cash flows: We ended 2023 with $31.0 billion in committed minimum future rental payments comprised of $16.4 billion in contracted minimum rental payments on the aircraft in our existing fleet and $14.6 billion in minimum future rental payments related to aircraft which will deliver between 2024 through 2027.
Our material cash sources include: • Unrestricted cash: We ended 2024 with $472.6 million in unrestricted cash. • Lease cash flows: We ended 2024 with $29.5 billion in committed minimum future rental payments comprised of $18.3 billion in contracted minimum rental payments on the aircraft in our existing fleet and $11.2 billion in minimum future rental payments related to aircraft which will deliver between 2025 through 2029.
During the year ended December 31, 2022, we recorded $48.0 million in gains from the sale of 15 aircraft and $17.9 million in forfeiture of security deposit income from the termination of our leasing activities in Russia in the current year period.
During the year ended December 31, 2022, we recognized approximately $27.3 million in gains from the sale of 6 aircraft with sales proceeds of $252.0 million and $17.9 million in forfeiture of security deposit income from the termination of our leasing activities in Russia.
The increase in our adjusted net income before income taxes primarily relates to the increase in revenues as discussed above, partially offset by the higher interest expense. 2022 Compared to 2021 Rental revenue During the year ended December 31, 2022, we recorded $2.2 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $29.2 million, as compared to $2.0 billion in rental revenue, which included amortization expense related to initial direct costs, net of overhaul revenue of $2.3 million, for the year ended December 31, 2021.
Adjusted net income before income taxes decreased primarily due to higher interest expense, driven by the increase in our composite cost of funds and overall outstanding debt balance, partially offset by the increase in revenue as discussed above. 56 2023 Compared to 2022 Rental of flight equipment revenue During the year ended December 31, 2023, we recorded $2.5 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $91.9 million, as compared to $2.2 billion in rental revenue, which included overhaul revenue, net of amortization expense related to initial direct costs of $29.2 million, for the year ended December 31, 2022.
These dates can change for a variety of reasons, however for the last several years, manufacturing delays have significantly impacted the planned purchases of our aircraft on order with both Airbus and Boeing.
These dates can change for a variety of reasons, however for the last several years, manufacturing delays have significantly impacted the planned purchases of our aircraft on order with both Airbus and Boeing. The FAA has continued to enforce a cap on Boeing’s 737 MAX production until quality control issues are resolved.
We finance the purchase of aircraft and our business operations using available cash balances and internally generated funds, including through cash flows from our operating leases, aircraft sales and trading activity, and debt financings.
We finance the purchase of aircraft and our business operations using our available cash balances and internally generated funds, which includes cash flows from our leases, as well as aircraft sales and debt financing activities.
These investments are accounted for under the cost method of accounting. 48 Table of Contents Credit Ratings Our investment-grade corporate and long-term debt credit ratings help us to lower our cost of funds and broaden our access to attractively priced capital.
Our investment-grade corporate and long-term debt credit ratings help us to lower our cost of funds and broaden our access to attractively priced capital.
However, lease rate increases continue to lag behind interest rate increases. We expect that lease 40 Table of Contents rates will continue to increase as airlines adjust to a persistently higher interest rate environment and our funding advantage relative to our airline customers widens.
We believe that lease rates should continue to increase as airlines adjust to a persistently higher rate environment and our funding advantage relative to our airline customers widens.