The Air Tractor AT-300 is a family of

agricultural aircraft An agricultural aircraft is an aircraft that has been built or converted for agricultural use – usually aerial application of pesticides (crop dusting) or fertilizer (aerial topdressing); in these roles, they are referred to as "crop duste ...

that first flew in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

in September

1973 Events January * January 1 – The United Kingdom, the Republic of Ireland and Denmark 1973 enlargement of the European Communities, enter the European Economic Community, which later becomes the European Union. * January 14 - The 16-0 19 ...

Type certification A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design (''type design''). Certification confirms that the aircraft of a new type intended for serial production is in compliance w ...

was awarded to

Air Tractor Air Tractor Inc. is a United States aircraft manufacturer based in Olney, Texas. Founded in 1978 in aviation, 1978, the company began manufacturing a new agricultural aircraft derived from the Ayres Thrush, S-2B aircraft (designed by found ...

in November the same year, and serial production commenced in

1976 Events January * January 2 – The International Covenant on Economic, Social and Cultural Rights enters into force. * January 5 – The Pol Pot regime proclaims a new constitution for Democratic Kampuchea. * January 18 – Full diplomatic ...

. Of low-wing

monoplane A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple wings. A monoplane has inherently the highest efficiency and lowest drag of any wing con ...

taildragger Conventional landing gear, or tailwheel-type landing gear, is an aircraft undercarriage consisting of two main wheels forward of the center of gravity and a small wheel or skid to support the tail.Crane, Dale: ''Dictionary of Aeronautical Term ...

configuration, they carry a chemical hopper between the engine

firewall Firewall may refer to: * Firewall (computing), a technological barrier designed to prevent unauthorized or unwanted communications between computer networks or hosts * Firewall (construction), a barrier inside a building, designed to limit the spre ...

and the

cockpit A cockpit or flight deck is the area, on the front part of an aircraft, spacecraft, or submersible, from which a pilot controls the vehicle. The cockpit of an aircraft contains flight instruments on an instrument panel, and the controls th ...

Variants

* AT-300 - prototype and initial production models wit

Pratt & Whitney R-985 The Pratt & Whitney R-985 Wasp Junior is a series of nine-cylinder, air-cooled, radial engine, radial aircraft engines built by the Pratt & Whitney Aircraft Company from the 1930s to the 1950s. These engines have a Engine displacement, displace ...

engine and hopper. * AT-301 - powered by

Pratt & Whitney R-1340 The Pratt & Whitney R-1340 Wasp is an aircraft engine of the reciprocating engine, reciprocating type that was widely used in United States, American aircraft from the 1920s onward. It was the Pratt & Whitney aircraft company's first engine, an ...

engine. ** AT-301B - AT-301 with hopper. * AT-302 - turboprop version with Lycoming LTP101 engine. ** AT-302A - AT-302 with hopper.

Specifications (AT-301A)

References

Notes

Bibliography

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External links