Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Abstract]

Depreciable lives of operating equipment are summarized as follows:



DC-8 combi aircraft and flight equipment	Less than 1 year
Boeing 767 and 757 aircraft and flight equipment	10 to 20 years
Support equipment	5 to 10 years
Vehicles and other equipment	3 to 8 years

Property and equipment, to be held and used, is summarized as follows (in thousands):



	March 31, 2013			December 31, 2012
Aircraft and flight equipment	$	1,208,116		$	1,148,781
Support equipment	51,530			52,209
Vehicles and other equipment	1,605			1,597
Leasehold improvements	965			814
	1,262,216			1,203,401
Accumulated depreciation	(402,072		)	(384,477		)
Property and equipment, net	$	860,144		$	818,924

- Definition

Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.

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