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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2022
Accounting Policies [Abstract]  
Property, Plant and Equipment Property, plant and equipment and leasing equipment are stated at cost (inclusive of capitalized acquisition costs, where applicable) and depreciated using the straight-line method, over estimated useful lives, to estimated residual values which are summarized as follows:

Asset
 
Range of Estimated Useful Lives
 
Residual Value Estimates
Aircraft
 
25 years from date of manufacture
 
Generally not to exceed 15% of manufacturer’s list price when new
Aircraft engines
 
2 - 6 years, based on maintenance adjusted service life
 
Sum of engine core salvage value plus the estimated fair value of life limited parts
Aviation tooling and equipment
 
3 - 6 years from date of purchase
 
Scrap value at end of useful life
Furniture and fixtures
 
3 - 6 years from date of purchase
 
None