Air Tractor AT-400
| AT-400 family |
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| Role |
Agricultural aircraft |
| Manufacturer |
Air Tractor |
| First flight |
1979 |
| Introduction |
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.
Variants
- AT-400 - AT-301 with 680 shp (507 kW) Pratt & Whitney Canada PT6A-15AG engine and 400 US gal (1,510 L) hopper. Short-span (45 ft 1¼ in (13.75 m)) wings.[1] 72 built.[2]
- AT-400A - AT-400 with 550 hp (410 kW) Pratt & Whitney Canada PT6A-20 engine.[1] 14 built.[2]
- AT-401 - AT-301 with longer-span wings and 400 US gal (1,510 L) hopper, powered by 600 hp (447 kW) Pratt & Whitney R-1340 radial engine.[3] 168 built.[2]
- AT-401A - AT-401 with PZL-3S engine. One built.[2]
- AT-401B -Improved revision of AT-401, with revised wingtips and further increased span (51 ft 1¼ in (15.57 m)). 69 built by December 2001.[2]
- AT-402 - AT-401 with Pratt & Whitney Canada PT6A-15 engine.[3] 68 built.[2]
- AT-402A - low cost version of AT-401B, with Pratt & Whitney Canada PT6A-20 engine.[2] 103 built by December 2001.[2]
- AT-402B - improved version of AT-402, with revised wingtips and increased span of AT-401B.[2] 31 built by December 2001.[2]
Specifications (AT-401)
Data from Janes's All The World's Aircraft 1993-94 [3]
General characteristics
- Crew: one
- Capacity: 400 US gal (1,510 L) chemicals
- Length: 27 ft 0 in (8.23 m)
- Wingspan: 49 ft 1¼ in (14.97 m)
- Height: 8 ft 6 in (2.59 m)
- Wing area: 294.0 ft2 (27.31 m2)
- Aspect ratio: 8.20:1
- Empty weight: 4,135 lb (1,875 kg)
- Gross weight: 7,860 lb (3,565 kg)
- Powerplant: 1 × Pratt & Whitney R-1340 radial engine, 600 hp (447 kW)
Performance
- Maximum speed: 156 mph (251[4] km/h)
- Cruise speed: 143 mph (230[5] km/h)
- Stall speed: 61 mph (99[6] km/h)
- Range: 630 miles (1,014 km)
- Rate of climb: 1,100 ft/min (5.6 m/s)
See also
References
- Notes
- ^ a b Taylor 1988, p.323.
- ^ a b c d e f g h i j Jackson 2003, p.507.
- ^ a b c Lambert 1993, pp. 412–413.
- ^ at sea level
- ^ at 4,000 ft (1,220 m)
- ^ flaps down
- Bibliography
- Jackson, Paul (2003). Jane's All The World's Aircraft 2003–2004. Coulsdon, UK: Jane's Information Group. ISBN 0-7106-2537-5.
- Lambert, Mark (1993). Jane's All The Worlds Aircraft 1993-94. Coudsdon, UK: Janes's Data Division. ISBN 0-7106-1066-1.
- Simpson, R. W. (1995). Airlife's General Aviation. Shrewsbury: Airlife Publishing. pp. 31–32.
- Taylor, John W.R. (editor) (1988). Jane's All The World's Aircraft 1988-89. Coulsden, UK: Jane's Defence Data. ISBN 0-7106-0867-5.
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