AT-401B

The AT-401B is a 400-gallon workhorse powered by the Pratt & Whitney R-1340 radial engine.  It has all the rugged durability, safety features, clean aerodynamics and flying ease for which Air Tractor aircraft are famous – with the economical price of a piston engine plane.  The AT-401B delivers unsurpassed value – economically, efficiently and productively.

 Dimensional Drawings

 

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Performance with Spray Equipment: AT-401B

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Cruise Speed:

 143 mph (230 kph)
at 4,000 ft (1 219 kph)

Working Speed (typical):

 120-140 mph
(193-225 kph)

Stall Speed, Flaps up:

 73 mph (117 kph)
at 6,000 lbs (2 722 kg)

Stall Speed, Flaps Down:

 61 mph (98 kph)
at 6,000 lbs (2 722 kg)

Stall Speed as Usually Landed:        

 54 mph (87 kph)
Rate of Climb: 520 fpm (158 mpm)
at 7,860 lbs (3 565 kg)
Take-Off Distance: 1,318 ft (402 m)
at 7,860 lbs (3 565 kg)
Range, Economy Cruise
at 8,000 ft. (2 438m):		 630 mi (1 014 km)