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Air Tractor AT-400

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AT-400 family
Type Agricultural aircraft
Manufacturer Air Tractor
Maiden flight 1979
Introduced 1980

The Air Tractor AT-400 is a family of agricultural aircraft that first flew in the United States on September 1979. Type certification was awarded to Air Tractor in April 1980. Of low-wing monoplane taildragger configuration, they carry a chemical hopper between the engine firewall and the cockpit.


  • AT-400 - AT-301 with Pratt & Whitney Canada PT6A-15AG engine and 400 US gal (1,510 L) hopper
    • AT-400A - AT-301 with Pratt & Whitney Canada PT6A-20 engine
  • AT-401 - AT-301 with longer-span wings and 400 US gal (1,510 L) hopper
    • AT-401A - AT-400 with PZL-3S engine
  • AT-402 - AT-401 with Pratt & Whitney Canada PT6A engine

Specifications (AT-401)



  • Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing, 31-32. 

See also

Designation sequence
AT-300 - AT-400 - AT-501 - AT-602 - AT-802

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Air Tractor AT-400".