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Concentration of Risk
3 Months Ended
Nov. 30, 2022
Risks and Uncertainties [Abstract]  
Concentration of Risk
Note 6. Concentration of Risk
The classification of regions in the tables below is based on our customers’ principal place of business.
The geographic concentration of the net book value of our fleet (flight equipment held for lease and net investment in leases, or “Net Book Value”) as of November 30, 2023, and February 28, 2023, was as follows:
 November 30, 2023February 28, 2023
RegionNumber
of
Aircraft
Net Book
Value %
Number
of
Aircraft
Net Book
Value %
Asia and Pacific60 27 %62 28 %
Europe88 30 %88 30 %
Middle East and Africa%%
North America44 24 %38 20 %
South America32 15 %29 14 %
Off-lease
(1)
%14 %
Total236 100 %239 100 %
_______________
(1)Of the 6 off-lease aircraft at November 30, 2023, we currently have 1 narrow-body aircraft that is undergoing freighter conversion which we are marketing for lease.
The following table sets forth individual countries representing at least 10% of our Net Book Value as of November 30, 2023, and February 28, 2023:
 November 30, 2023February 28, 2023
CountryNet Book
Value
Net Book
Value %
Number
of
Lessees
Net Book
Value
Net Book
Value %
Number
of
Lessees
United States(1)
$745,266 11%5$— —%
_______________
(1) As of February 28, 2023, 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:
 Three Months Ended November 30,Nine Months Ended November 30,
Region2023202220232022
Asia and Pacific28 %31 %29 %33 %
Europe28 %30 %30 %29 %
Middle East and Africa%%%%
North America23 %21 %23 %19 %
South America17 %13 %14 %14 %
Total100 %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:
Three Months Ended November 30,Nine Months Ended November 30,
2023202220232022
Number of LesseesCombined % of Lease
Rental Revenue
Number of LesseesCombined % of Lease
Rental Revenue
Number of LesseesCombined % of Lease
Rental Revenue
Number of LesseesCombined % of Lease
Rental Revenue
Largest lessees by lease rental revenue427%425%321%427%
For the three months ended November 30, 2023, South Korea and the United States each comprised 11% of total revenue. Total revenue attributable to South Korea included $21.3 million of maintenance revenue and total revenue attributable to the United States included $9.3 million from gains on sale or disposition of flight equipment. For the nine months ended November 30, 2023, no single country comprised 10% or more of total revenue.
For the three months ended November 30, 2022, total revenue attributable to the United States was 29% and included $13.7 million of maintenance revenue and $47.0 million of gains on sale or disposition of aircraft. For the nine months ended November 30, 2022, total revenue attributable to the United States was 18% and included $54.8 million of gains on sales of aircraft and $13.9 million of maintenance revenue