Crossbow CIWS
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| Crossbow CIWS | |
|---|---|
 A Crossbow Block 2 aboard the GCNS Vengeance during a live fire test. | |
| Type | Close-in weapon system |
| Place of origin |  Hulie |
| Service history | |
| In service | 1980–present |
| Used by | See Operators |
| Production history | |
| Produced | 1980–present |
| Specifications | |
| Crew | Automated, with human oversight |
| Shell | 30×173mm |
| Calibre | 30 mm |
| Barrels | 7-barrel (Block 0/1/) 11-barrel (Block 2) |
| Rate of fire | 1,200-4,200 rounds/minute (Block 0/1) 11,000 rounds/minute (Block 2) |
| Effective firing range | 1–1.5 km (0.62–0.93 mi) |
| Maximum firing range | 5 km (3.1 mi) |
| Feed system | Type 730: One ammunition box, holding 640 rounds Type 1130: Two ammunition boxes, each holding 640 rounds (total 1280 rounds) CRAM: Two ammunition boxes, each holding 500 rounds (total 1000 rounds) |
Main armament | 1 × 30 mm rotary cannon |
Guidance system | J-band radar electro-optical fire control system |
Development
Design
Armament
Fire-control system
Radar
Variants
Block 0
Block 1
Block 2
CRAM Crossbow
Operators
Specifications (Crossbow Block 2)
- Gun: GA-1130 30 mm eleven-barrel rotary cannon.
- Height: 3.71 m (above deck) 6.2 m (including deck penetration).
- Weight: 6,372 kg with 1,190 rds of ammunition (above deck), 9,902 kg (total).
- Elevation +85° to −25° at 80°/s.
- Muzzle velocity: 1,150 m/s (APDS round).
- Rotation speed 360° in 3.8 seconds
- Rate of fire: Selectable, up to 170 rounds/second (10,200 rounds/minute).
- Maximum burst size: 1,000 rounds.
- Ammunition: 1,190 linkless (HEI, API, TP, MPDS, FMPDS) rounds in a below-deck magazine.
- Reload time: 9 minutes (loading is done below deck)
- Weapons range: 350 to between 1,500 and 2,000 meters dependent on ammunition.
- Search radar: I band/linear array. I band is X band. Beamsize 1.5 degrees horizontal, 60 degrees vertical. Rotates at 1 Hz (60 RPM). Range approx. 30 km.
- Engagement radar: I band and K band monopulse cassegrain.
- Optical system: TV (Future EO/IR)
- 100% kill distance: 500 m