This is a complete list of weapons deployed on Japanese combat aircraft during the Second World War.
Army aircraft
Machine guns Type 89 7.7 mm machine gun (copy of Vickers Class E) Ho-103 12.7 mm machine gun (based on Browning M1921)
Cannons
Mauser MG 151/20 20 mm cannon Ho-1 20 mm cannon Ho-3 20 mm cannon Ho-5 20 mm cannon (based on Browning) Ho-155 cannon ( Ho-105) 30 mm cannon (based on Browning) Ho-155-II 30mm cannon Ho-203 37 mm cannon Ho-204 37 mm cannon (based on Browning) Ho-301 40 mm cannon (caseless ammunition, sometimes considered a "rocket launcher") Ho-401 57 mm cannon Ho-402 57 mm cannon Type 88 75 mm cannon Flying Guns of World War II p.184, Mounted in the Mitsubishi Ki-109 heavy interceptor and an experimental version of the Tachikawa Ki-104 bomber.
Bombs The Japanese army used a number of different types of bombs during World War II, ranging from 15 to 500 kilograms.
Rear armament (for defensive use)
Type 89 7.7 mm machine gun (based on Type 11) Type 98 7.92 mm machine gun (copy of MG 15) Ho-104 12.7 mm machine gun (based on Browning M1921)
Combat head (for special use)
Combat head of 800 kg Combat head of 2,900 kg Combat head of 6,393 lbs (thermite bomb)
Navy aircraft
Machine guns Type 92 7.7 mm machine gun (British Lewis) Type 97 7.7 mm machine gun (Vickers) Type 3 13.2 mm machine gun (Browning with Hotchkiss 13.2mm cartridge)
Cannons Type 99 cannon 20 mm cannon (Oerlikon FF) Type 2 30 mm cannon Type 5 30 mm cannon
Rear armament (for defensive use)
Type 92 7.7 mm machine gun (British Lewis) Type 1 7.92 mm machine gun (German MG 15) Type 2 13 mm machine gun (German MG 131) Type 99-1/Type 99-2 20 mm cannon (Oerlikon FF)
Bombs
References Notes
Bibliography
See also List of Japanese military equipment of World War II List of weapons of military aircraft of Germany during World War II