Quarterly report pursuant to Section 13 or 15(d)

PROPERTY AND EQUIPMENT

v3.22.2
PROPERTY AND EQUIPMENT
 6 Months Ended
Jun. 30, 2022
Property, Plant and Equipment [Abstract]  
PROPERTY AND EQUIPMENT PROPERTY AND EQUIPMENT
Property and equipment consist of the following (in thousands):
June 30,
2022		 December 31, 2021
Aircraft $ 557,525  $ 482,848 
Software development costs 49,520  35,818 
Leasehold improvements 9,023  12,584 
Computer equipment 2,441  2,147 
Buildings and improvements 1,425  1,424 
Furniture and fixtures 2,767  1,960 
Tooling 3,507  3,129 
Vehicles 1,514  1,142 
627,722  541,052 
Less: Accumulated depreciation and amortization (238,327) (223,216)
Total $ 389,395  $ 317,836 
Depreciation and amortization expense of property and equipment was $10.1 million and $19.6 million for the three and six months ended June 30, 2022, respectively, and $8.6 million and $17.6 million for the three and six months ended June 30, 2021, respectively.
Capitalized costs related to the internal development of software was $7.4 million and $12.9 million for the three and six months ended June 30, 2022, respectively, and $3.1 million and $5.7 million for the three and six months ended June 30, 2021, respectively.
Amortization expense related to software development costs, included as part of depreciation and amortization expense of property and equipment, was $3.1 million and $5.3 million for the three and six months ended June 30, 2022, respectively, and $1.5 million and $3.0 million for the three and six months ended June 30, 2021, respectively.