AIR TRACTOR AT802 is a versatile American aircraft renowned for its applications in agriculture, firefighting, and military operations. Introduced in 1990 by Air Tractor, Inc., it stands as the world’s largest single-engine turboprop aircraft, boasting a maximum gross weight of 16,000 pounds and a payload capacity of 8,000 pounds.
Design and Development
The AT-802 features a robust airframe and is powered by a Pratt & Whitney PT6A-67F turboprop engine, delivering 1,600 shaft horsepower. Its design includes a high-wing configuration and conventional landing gear, allowing operations from short and unpaved runways. The aircraft’s versatility is evident in its ability to be equipped with amphibious floats, enabling water landings and takeoffs, particularly beneficial for firefighting missions.
Variants
- AT-802A: A single-seat model primarily used for agricultural spraying, featuring an 800-gallon hopper for chemicals or water.
- AT-802F: Designed for aerial firefighting, this variant is equipped with the Air Tractor Computerized Firegate, allowing precise dispersal of fire retardants.
- AT-802U: A militarized version configured for intelligence, surveillance, reconnaissance (ISR), and light attack roles. It includes armor protection, hardpoints for weapons, and advanced avionics.
Performance
The AT-802 offers impressive performance metrics:
- Maximum Speed: Approximately 213 knots (245 mph) at 10,000 feet.
- Cruise Speed: Around 180 knots (210 mph) at 10,000 feet.
- Stall Speed: 91 knots (105 mph) at maximum gross weight.
- Range: Up to 1,303 nautical miles with auxiliary fuel tanks.
- Endurance: Over 8 hours, depending on mission configuration.
Operational Use
The AT-802’s adaptability has led to its widespread use:
- Agriculture: Employed globally for crop dusting and spraying, enhancing agricultural productivity.
- Firefighting: Utilized as a Single Engine Air Tanker (SEAT) to combat wildfires, capable of delivering fire retardants with precision.
- Military: The AT-802U variant serves in armed reconnaissance and light attack roles, offering a cost-effective solution for various military operations.
Global Presence
As of 2019, over 800 units of the AT-802 series have been produced, operating in various countries across multiple continents. Its reliability, versatility, and cost-effectiveness make it a preferred choice for diverse aerial applications.
In summary, the Air Tractor AT-802 is a multifaceted aircraft excelling in agricultural, firefighting, and military domains, underscoring its significant role in aviation history.