Air Tractor AT-500 series

Air Tractor's 500-gallon class, the workhorse size for American crop spraying: the AT-502 (1987 on) with a PT6A-15AG, the AT-502A (1990 on) with the more powerful PT6A-34AG and a 9,400 lb gross weight, and the AT-502B (1993 on), the most numerous Air Tractor of all. Type certificate A17SW.

The variants

MODEL	YEARS	ACTIVE	TAILFAX SCORE	WHAT CHANGED
AT-502	1987–present	78	34.2/50	The original 500-gallon: PT6A-15AG
AT-502A	1990–present	96	22.4/50	PT6A-34AG, 9,400 lb
AT-502B	1993–present	328	24.5/50	Most numerous Air Tractor

Family fleet, active

502

FAA registry

NTSB events / 1,000, 10 yrs

179.3

90 events over 502 active aircraft, pooled across the family

Successor

Air Tractor AT-602

Data as of: FAA registry Sep 28 · NTSB Oct 2 · scores Sep 30