Air Tractor AT-400 series
2 models built 1987–present · 112 on the US register today
Air Tractor's 400-gallon turbine agricultural aeroplane: the AT-402 (1987-95) with a 550 shp PT6A-11AG and the AT-402B (1990 on) with the 680 shp PT6A-15AG, one of the most numerous ag aircraft in service. Type certificate A17SW with the rest of the turbine line.
The variants
Family fleet, active
112
FAA registry
NTSB events / 1,000, 10 yrs
151.8
17 events over 112 active aircraft, pooled across the family
Successor
Data as of: FAA registry Sep 28 · NTSB Oct 2 · scores Sep 30