The classification of regions in the tables below is based on our customers’ principal place of business.

The geographic concentration of our Net Book Value as of February 29, 2024 and February 28, 2023 was as follows:


	February 29, 2024				February 28, 2023
Region	Number of Aircraft		Net Book Value %		Number of Aircraft	Net Book Value %
Asia and Pacific	63		27	%	62	28	%
Europe	90		30	%	88	30	%
Middle East and Africa	9		5	%	8	3	%
North America	46		23	%	38	20	%
South America	32		14	%	29	14	%
Off-lease	3	(1)	1	%	14	5	%
Total	243		100	%	239	100	%

(1)Of the 3 off-lease aircraft at February 29, 2024, we have 1 narrow-body freighter aircraft that we are currently marketing for lease or sale.

The following table sets forth Net Book Value of flight equipment attributable to individual countries representing at least 10% of Net Book Value of flight equipment based on each lessee’s principal place of business as of:


	February 29, 2024				February 28, 2023
Region	Net Book Value		Net Book Value %	Number of Lessees	Net Book Value		Net Book Value %	Number of Lessees
India(1)	$	750,498	11%	4	$	—	—%	—
United States(1)	806,162		11%	5	—		—%	—

(1) As of February 28, 2023, India and the United States represented less than 10% of our Net Book Value.

The geographic concentration of our lease rental revenue earned from flight equipment held for lease was as follows:


	Year Ended February 29,		Year Ended February 28,
Region	2024		2023		2022
Asia and Pacific	29	%	33	%	29	%
Europe	30	%	29	%	36	%
Middle East and Africa	4	%	5	%	5	%
North America	23	%	19	%	15	%
South America	14	%	14	%	15	%

Total	100	%	100	%	100	%

The following table shows the number of lessees with lease rental revenue of at least 5% of total lease rental revenue and their combined total percentage of lease rental revenue for the periods indicated:


	Year Ended February 29,		Year Ended February 28,
	2024		2023		2022
	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue	Number of Lessees	Combined % of Lease Rental Revenue
Largest lessees by lease rental revenue(1)	3	21%	3	21%	6	38%

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(1)The number of lessees and combined percentage for the year ended February 28, 2022, includes 1 of our Russian lessees, which accounted for 5% of total lease rental revenue. Lease rental revenue for this customer includes the recognition of lease rentals received in advance of $17.2 million into revenue; excluding this amount, this customer accounted for 2% of total lease rental revenue.

For the year ended February 29, 2024, no single country comprised 10% or more of total revenue.

For the year ended February 28, 2023, total revenue attributable to the United States and India was 15% and 12%, respectively, and was partially driven by maintenance and other revenue and gains on sale of aircraft.

For the year ended February 28, 2022, we had 6 Russian lessees that accounted for 17% of our total revenue. Total revenue from these lessees included $89.4 million of lease rentals received in advance, maintenance, security deposits and other revenue resulting from the sanctions placed on Russia, which required the termination of leasing activities.