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Air Tractor OA-8 Longsword

Close-Air Support (CAS) Aircraft

The Air Tractor OA-8 Longsword is the dedicated armed derivative of the AT-802 agricultural / fire-fighting platform.
Authored By: Staff Writer | Edited: 8/7/2018
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Year: 2018
Status: In-Development
Manufacturer(s): Air Tractor / L-3 Technologies - United States
Production: 1
Capabilities: Close-Air Support (CAS);
Crew: 2
Length: 35.93 ft (10.95 m)
Width: 59.22 ft (18.05 m)
Height: 12.80 ft (3.9 m)
Weight (Empty): 6,614 lb (3,000 kg)
Weight (MTOW): 16,535 lb (7,500 kg)
Power: 1 x Pratt & Whitney Canada PT6A turboprop engine developing up to 1,940 horsepower and driving a five-bladed propeller at the nose.
Speed: 224 mph (360 kph; 194 kts)
Ceiling: 25,098 feet (7,650 m; 4.75 miles)
Range: 621 miles (1,000 km; 540 nm)
Rate-of-Climb: 1,250 ft/min (381 m/min)
Operators: United States (possible)
The OA-8 "Longsword" is one of many capable aircraft designs currently competing for the Close Air Support (CAS) role of various countries. The aircraft is based on the American Air Tractor AT-802 (detailed elsewhere on this site), modified by L-3 Technologies for the CAS role and debuting during Avalon Airshow 2017 (Australia). The design pairs the established Air Tractor agricultural / fire-fighting airframe with modern technologies and ordnance delivery capabilities to suit ongoing over-battlefield needs. The AT-802 is a globally popular aircraft in civilian market sectors and sees operations from Argentina and Brazil to Kenya and Indonesia.

The aircraft, in its CAS role, seats two personnel in tandem under a heavily framed canopy and within an armored cockpit due to the low-altitude flight envelopes at play in the CAS role. The cockpit is set well-aft of the long-running nose and, at the nose, is a five-bladed propeller unit powered by a Pratt & Whitney engine installation. The tail unit is of a conventional single-finned arrangement. The wing mainplanes are set low and each sports multiple hardpoints. An additional hard point pairing is seen under the belly and an optics set is fitted under the nose. The undercarriage is fixed and wheeled ("tail dragger" configuration).

Supported armament will run the gamut of widely-used munitions and ordnance options including gun pods, cannon pods, rocket pods (unguided rockets), and conventional drop bombs (smart and dumb). Armament load outs can capacity reach 6,200lb.

The Longsword has several distinct inherent features: strong low-altitude flying characteristics and handling, a 400 nautical mile operating range, and 10 hour mission endurance window. It can remain on station for over five hours.


Up to 6,200lb of stores carried including cannon pods, conventional drop bombs and rocket pods.

Graphical image of an aircrat automatic cannon
Graphical image of an aircraft cannon pod
Graphical image of an aircraft rocket pod
Graphical image of an aircraft conventional drop bomb munition

Variants / Models

• OA-8 "Longsword" - Base Series Designation
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