OverviewThe M197 Electric Cannon, is a tri-barreled electric Gatling-type Rotary Cannon used by the United States Military.
Various mounts and subsystems.
Helicopter Armament Subsystems
United States of America
- Bell AH-1 Cobra (M97 or A/A49E-7 systems)
- Bell UH-1D Iroquois
- Boeing-Sikorsky RAH-66 Comanche (with XM301 cannon)
- North American Rockwell OV-10 Bronco
- M168 (AA Gun)
|Designation||Type||Projectile Weight [g]||Bursting Charge||Muzzle Velocity [m/s]||Description|
|M53||API||?||4.2g Incendiary||1030||Penetration 6.3 mm RHA at 0-degree impact and 1000-m range.|
|M56A3/A4||HEI||102||9g HE (RDX/wax/AI) and 1.5g Incendiary||1030||Nose fuzed round, no tracer. Effective radius to produce casualties to exposed personnel 2 meters, fragmentation hazard out to 20 meters. Penetration 12.5 mm RHA at 0 degree obliquity at 100m range.|
|M242||HEI-T||?||?||?||Similar to M56 series of HEI rounds, but with a tracer element.|
|M246||HEI-T||102||8g HE||?||Nose fuzed tracer round fired by M168 AA gun, self-destruct after 3 to 7 seconds of flight due to tracer burn-through.|
|M940||MPT-SD||105||9g A-4/RDX/wax||1050||Multi-purpose fuzeless round, HE charge is initiated by the incendiary charge on the nose on impact. Self-destruct due to tracer burn-through. Penetration 12.5 mm RHA at 0 degree impact at 518 m range, or 6.3 mm at 60 degrees and 940 m.|