List of foreign aircraft tested by Japan between 1930 and 1945

This is a list of foreign aircraft tested and evaluated by Japanese forces, between 1930 and 1945. It includes received or acquired types and aircraft captured during war.

French aircraft

• Caudron C-600 Purchased as Caudron KXC Type C Trainer
• Dewoitine D.510J Purchased as Dewoitine AXD Type D Carrier Fighter
• Nieuport-Delage NiD 29 Licensed production as the Nakajima Ko-4
• Potez 542 Purchased as Potez HXP flying boat
• Potez 25 Purchased as Potez CXP for Diesel Engine Experiment
• Salmson 2A2 License production as the Army Type Otsu 1

German aircraft

• Bücker Bü 131 Purchased as Bücker KXBu Type Bu Primary Trainer Bücker
• Dornier N License built as Kawasaki Type 87 bomber
• Focke-Wulf Fw 190A5 Tested
• Heinkel He 50A Purchased He 66 (export version of the He 50) license built by Aichi as the D1A1
• Heinkel He 70 Purchased as Heinkel LXHe Type He Transport
• Heinkel He 100D Purchased as Heinkel AXHe Type He Interceptor Fighter
• Heinkel He 112B-0 Purchased as the Heinkel A7He1 and as the Navy Type He Air Defense Fighter
• Heinkel He 116A Purchased V5 and V6
• Heinkel He 118V4 Purchased as Heinkel DXHe Type He Attack Plane
• Junkers F.13
• Junkers G 38 Licensed built as Mitsubishi Army Type 92 Heavy Bomber later reidentified as Ki-20
• Junkers Ju 86Z Five purchased for use by Manchukuo National Airways (Manchukuo was a Japanese puppet state)
• Junkers Ju 87A1 Tested
• Junkers Ju 160 Two examples purchased for commercial use
• Messerschmitt Bf 108
• Messerschmitt Bf 109E Tested
• Messerschmitt Me 210

Italian aircraft

• Fiat BR.20 Purchased as Fiat Type I Heavy Bomber

Soviet aircraft

• Lavochkin LaGG-3 captured
• Polikarpov I-15 captured
• Polikarpov I-15bis captured
• Polikarpov I-16 captured
• Tupolev SB captured

United Kingdom aircraft

• Bristol Blenheim Captured
• Bristol Bulldog
• Hawker Hurricane Captured
• Hawker Nimrod Purchased as Hawker AXH Type H Carrier Fighter

United States aircraft

• Beechcraft C17E Staggerwing 20 built under licence by Tachikawa
• Brewster Buffalo Captured from Netherlands East Indies Air Force and Royal Air Force
• Boeing Model 100 Purchased as Boeing AXB Type B Carrier Fighter
• Boeing B-17 Several captured
• Consolidated P2Y-1 Consolidated HXC Type C Flying boat
• Curtiss P-40 Captured
• Curtiss-Wright BT-32 Captured transport/bomber from China
• Curtiss Courtney Purchased as Curtiss-Wright LXC Type C Amphibious Transport
• Curtiss-Wright CW-21 Captured fighters from Netherlands East Indies
• Curtiss-Wright CW-22 Captured trainers from Netherlands East Indies
• Douglas DF Two purchased as Douglas HXD Type D Flying boat
• Douglas DC-2 License built by Nakajima
• Douglas DC-3 License built by Showa and Nakajima as L2D2 thru L2D5 Type 0 transport
• Douglas DC-4E Purchased as Douglas LXD Type D Transport
• Douglas DC-5 Captured transport from Netherlands East Indies
• Douglas DB-7 Captured bomber from Netherlands East Indies
• Douglas DB-19 Purchased as Douglas DXD-1 Type D Attack Plane
• Fairchild 22
• Fairchild A-942 Purchased as Fairchild LXF Type F Amphibious Transport
• Fokker Super Universal License built as Nakajima Ki-6 and C2N1
• Grumman FF-1 Purchased Canadian Car and Foundry AXG Type G Carrier Fighter
• Grumman F6F Hellcat Captured (may not have been test flown)
• Grumman G-21 Goose purchased as Grumman LXG Amphibian Flying Boat
• Kinner Envoy Purchased as Kinner LXK Type K Transport
• Lockheed 10 Purchased as Lockheed KXL1 Type LO Twin-engined Trainer
• Lockheed 14 Purchased as Lockheed Type LO Transport
• Martin 139 Captured bombers from Netherlands East Indies
• North American NA-16-4R/NA-37 One purchased as North American KXA-1 Type A Intermediate Trainer
• North American NA-16-4RW/NA-47 One purchased as North American KXA-2 Type A Intermediate Trainer
• North American P-51 Captured
• Northrop Gamma 5A Purchased as Northrop BXN-1
• Northrop Gamma 5D Purchased as Northrop BXN-2
• Ryan STM-S2 Captured trainers from Netherlands East Indies
• Seversky 2PA Purchased as Seversky A8V-1 Navy Type S Two-Seat Fighter
• Vought V-65C Corsair Captured from China
• Vought O2U Corsair Produced under licence (with some modifications) in Japan as the Nakajima E4N Navy Type 90-2 Reconnaissance Seaplane
• Vought V-143 Purchased as Vought AXV Type V Interceptor Fighter
• Vought F4U Corsair Captured (may not have been test flown)