Air Tractor AT-300
The Air Tractor AT-300 is a family of agricultural aircraft that first flew in the United States on September 1973. Type certification was awarded to Air Tractor in November the same year, and serial production commenced in 1976. Of low-wing monoplane taildragger configuration, they carry a chemical hopper between the engine firewall and the cockpit.
- AT-300 - prototype and early production models with Pratt & Whitney R-985 engine and 320 US gal (1,200 L) hopper
- AT-301 - main production model with Pratt & Whitney R-1340 engine
- AT-301B - AT-301 with 350 US gal (1,320 L) hopper
- AT-302 - turboprop version with Lycoming LTP101 engine
- AT-302A - AT-302 with 385 US gal (1,460 L) hopper
Data from Jane's All The World's Aircraft 1988-89 
- Crew: one pilot
- Capacity: 320 US gal (1,210L) hopper
- Length: 27 ft 0 in (8.23 m)
- Wingspan: 45 ft 1¼ in (13.75 m)
- Height: 8 ft 6 in (2.59 m)
- Wing area: 270 ft2 (25.08 m2)
- Empty weight: 3,800 lb (1,723 kg)
- Gross weight: 7,400 lb (3,492 kg)
- Powerplant: 1 × Pratt & Whitney R-1340 radial engine, 600 hp (447 kW)
- Maximum speed: 168 mph (270 km/h)
- Range: 540 miles (869 km)
- Rate of climb: 1,600 ft/min (8.1 m/s)
- Taylor 1988, pp. 322–323.
- Spray equipped
- Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. p. 31.
- Taylor, John W.R. (editor) (1988). Jane's All The World's Aircraft 1988-89. Coulsdon, UK: Jane's Defence Data. ISBN 0-7106-0867-5.
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 44.
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