Specifications for the
Nakajima Ki-43 Hayabusa (Oscar)
Focus Model: Nakajima Ki-43-II Hayabusa (Oscar)
Country of Origin: Imperial Japan
Manufacturer: Nakajima - Imperial Japan
Initial Year of Service: 1942
Length: 29.27 ft (8.92 m)
Width: 35.56 ft (10.84 m)
Height: 10.73ft (3.27 m)
Weight (Empty): 4,211 lb (1,910 kg)
Weight (MTOW): 6,449 lb (2,925 kg)
Powerplant: 1 x Nakajima Ha-115 air-cooled radial piston engine developing 1,150hp.
Maximum Speed: 329 mph (530kmh; 286 kts)
Maximum Range: 1,094 miles (1,760km)
Service Ceiling: 36,745 ft (11,200 m; 7.0 miles)
Rate-of-Climb: 3,900 feet per minute (1,189 m/min)
2 x 7.7mm Type 97 machine guns (Ki-43-Ia)
1 x 12.7mm Ho-103 and 1 x 7.7mm Type 97 machine gun (Ki-43Ib).
2 x 12.7mm Ho-103 machine guns (Ki-43-Ic)
2 x 20mm cannons (Ki-43-IIIb)
2 x 550lb bombs (Ki-43-IIa)
Ki-43 - Designation for prototypes and evaluation models.
Ki-43-Ia - Fitted with 2 x 7.7mm Type 97 machine guns.
Ki-43-Ib - Fitted with 1 x 12.7mm Ho-103 machine gun and 1 x 7.7mm Type 97 machine gun.
Ki-43-Ic - Fitted with 2 x 12.7mm Ho-103 machine guns.
Ki-43-II - Designation used for improved prototype and developmental models.
Ki-43-IIa - Provision added for 500kg of external ordnance.
Ki-43-IIb - Equipped with Radio Communications Capability.
Ki-43-II-KAI - Modified Ki-43-II series with ejector exhaust stacks.
Ki-43-III - Prototype Models fitted with Nakajima Ha-115-II powerplants of 1,230 horsepower.
Ki-43-IIIa - Main Production Designation
Ki-43-IIIb - Fitted with 20mm cannons
Ki-62 (Project) - Advanced Interceptor Model; improved powerplant; 40mm cannons.
Mark I - Japanese Army Designation of Ki-43-Ia model series.
Mark Ib - Japanese Army Designation of Ki-43-Ib model series.
Mark Ic - Japanese Army Designation of Ki-43-Ic model series.
Mark 2a - Japanese Army Designation of Ki-43-IIa model series.
Mark 2b - Japanese Army Designation of Ki-43-IIb model series.
Mark 3a - Japanese Army Designation of Ki-43-III model series.
China; France; Indonesia; Imperial Japan; Manchukuo; Thailand; North Korea