Type 11 75mm AA Gun
- Introduced Year : 1922
- Caliber : 75 mm
- Barrel Length : 2.562 m (L34)
- EL Angle of Fire : 0 to +85 Degrees
- AZ Angle of Fire : 360 Degrees
- Shell Weight : 6.5 Kg
- Muzzle Velocity : 525 m/sec
- Weight : 2.061 ton
- Range : 10,900 m
- Altitude : 6,650 m
- Production Qty : 44
Type 11 was the first AA gun which Japan has developed. Type 11 was used in China in early 1930s, and it had been resigned from service before WWII.