Type 91
Type 91 (also Type 91 , Type XCI ) stands for
- Bristol Type 91 Brownie, a type of aircraft for the Bristol Aircraft Company (1924)
- Hiro Marine Type 91 flying boat, a type of aircraft of the Japanese Navy (1931)
- Nakajima Army Type 91 fighter aircraft , a type of aircraft of the Japanese Army (1931)
- Peugeot Type 91 , an early car model by the Peugeot automaker (built from 1907 to 1908)
- Steyr 91 , a basic type of various truck series from Steyr
- Type 91, an air torpedo used by the Japanese Navy during World War II
- Type 91, a 41 cm grenade used by the Japanese Navy for the main Nagato-class artillery
- Type 91, a 46 cm shell of the Japanese Navy for the 40 cm / 45 Type 94 naval gun
- Type 91 broad gauge railcar , a two-way vehicle for the Imperial Japanese Army
- Type 91 10 cm howitzer , a gun used by the Japanese Army during World War II
- Type 91 ASM-1C, an airborne anti-ship missile manufactured by Mitsubishi Heavy Industries (1991)
- Type 91 AVLB, a bridge-laying tank of the Japanese army
- Type 91 grenade launcher, a weapon used by the Chinese army
- Hand Arrow Type 91 , a one-man anti-aircraft missile used by the Japanese military (commissioned in 1994)
- Type 91 hand grenade , a hand grenade of the Imperial Japanese Armed Forces (1931–1945)
- T91 assault rifle , a weapon of the Army of the Republic of China