(45 gal) drop tanks (~3 hour full-throttle endurance) Ki-43-IIIa (Mark 3a) Series model Ki-43-IIIb (Mark 3b) Variant armed with 20 mm cannons. Ki-62 Project Advanced interceptor version of Nakajima Ki-43 with a powerful engine and armed with 30 mm (1.18 in) or 40 mm (1.57 in) cannons. Source: http://en.wikipedia..../Nakajima_Ki-43 Back to