Air Tractor AT-503
Turboprop • single engine • Low Wing • Fixed gear
Range Visualization
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Payload vs. Range
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Mission Profile
About the Air Tractor AT-503
The Air Tractor AT-500 series is a family of single-seat (with buddy-seat or tandem trainer variants), low-wing, taildragger agricultural turboprop aircraft introduced in 1986 as a stretched fuselage evolution of the AT-400 series.
• AT-502: Originally powered by a 680 shp PT6A-15AG, the AT-502 carries a 500 US gal hopper, has an empty weight of approximately 4,650 lb and a max takeoff weight of 10,480 lb, yielding a useful load of about 5,830 lb. Its service ceiling is 36,000 ft.
• AT-503: The AT-503 is a dual-control trainer variant (tandem seating, shortened wing) typically equipped with a 750 shp PT6A-34AG. Compared to the AT-502, added training equipment raises empty weight to produce a useful load near 4,100 lb, with a common service ceiling of 36,000 ft.
• AT-504: Featuring a 750 shp PT6A-34AG engine like the AT-502B but refined with aerodynamic tweaks and a 485 US gal hopper, the AT-504’s empty weight is about 4,768 lb, max takeoff weight 9,600 lb, giving a useful load of roughly 4,740 lb. It also has a service ceiling of 36,000 ft.
Technical Specifications
Dimensions
- Wingspan
- 52.0 ft
- Length
- 27.0 ft
- Height
- 10.3 ft
Weights
- Max Takeoff Weight
- 9,600 lbs
- Max Landing Weight
- 8,000 lbs
- Useful Load
- 4,100 lbs
- Fuel Capacity
- 260 gal
Performance
- Cruise Speed
- 110 KTAS
- Range
- 700 NM
- Service Ceiling
- 36,000 ft
- Rate of Climb
- 3500 fpm
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