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Measured figures
above deck
Single sourceincluding deck penetration
Single sourceConfiguration
| Specification | Bofors 57 mm Naval Automatic Gun L/70 | Goalkeeper CIWS |
|---|---|---|
| Crew | — | Automated, with human oversight[source] |
| Type | Naval artillery[source] | Close-in weapon system[source] |
| Place of origin | Sweden[source] | Netherlands[source] |
| In service | 1971–present[source] | 1980–present |
3.71 m (above deck) 6.2 m (including deck penetration).[source]
Mark 3 per complete round
Single sourceMark 3 weight including 1,000 rounds onboard, each weighing
Single sourceMark 3: 14,000 kg (31,000 lb ) (weight including 1,000 rounds onboard, each weighing 6.5 kg (14 lb) per complete round)[source]
total
Single sourcewith 1,190 rds of ammunition (above deck)
Single sourceEffective; HE round
Single sourceMaximum; HE round at 45°
Single source8,500 m (9,300 yd) (HE round)[source]
17,000 m (19,000 yd) (HE round at 45°)[source]
Effective; Ammunition-dependent upper engagement-range limit; full source field also retains the lower bound350m
Single source350 to between 1,500 and 2,000 metres dependent on ammunition[source]
Bore length
Single sourceWith flash hider
Single sourceWithout flash hider
Single sourceBore length: 3,990 mm (157.09 in) Without flash hider: 4,045 mm (159.25 in) With flash hider: 4,345 mm (171.06 in)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Used by | See users[source] | See operators[source] |
|---|
| Designer | Bofors Defence[source] | Signaal (now Thales Nederland )[source] |
|---|
| Designed | Mark 1: 1970 Mark 2: 1981 Mark 3: 1995[source] | 1975[source] |
|---|
| Manufacturer | Bofors Defence (1970–2000) United Defense (2000–2005) BAE Systems AB (2005 onwards)[source] | Thales Naval Netherlands[source] |
|---|
| Produced | Mark 1: 1970 Mark 2: 1985 Mark 3: 2000[source] | 1979[source] |
|---|
| Variants | See variants[source] | — |
|---|
| Shell | 57 × 438 mm R (m/70) 6.1 kg (13 lb ) complete round 2.4 kg (5.3 lb ) pre-fragmented shell[source] | 30×173mm TP, HEI, MPDS, or FMPDS[source] |
|---|
| Barrels | Single barrel (progressive RH parabolic twist, 24 grooves)[source] | 7-barrel (progressive RH parabolic twist, 14 grooves)[source] |
|---|
| Action | Electronic firing[source] | — |
|---|
| Elevation | Mark 1: −10°/+78° (40°/s) Mark 2: −10°/+75° (40°/s) Mark 3: −10°/+77° (44°/s)[source] | +85 to −25 degrees at 80 degree/s[source] |
|---|
| Traverse | Full 360°: Mark 1: 55°/s Mark 2: 55°/s Mark 3: 57°/s[source] | Unlimited[source] |
|---|
| Feed system | Magazine : Mark 1: 40 ready rounds, 128 rounds in ready racks in mount Mark 2: 120 ready rounds, up to 40 rounds in dual hoists Mark 3: 120 ready rounds, up to 40 rounds in dual hoists, 1,000 rounds in mounting[source] | — |
|---|
| Sights | Gyro-stabilized in local control.[source] | — |
|---|
| Main armament | — | 1 x 30 mm (1.2 in) GAU-8/A Avenger seven-barrel rotary cannon[source] |
|---|
| Gun | — | GAU-8/A Avenger 30 mm seven-barrel rotary cannon .[source] |
|---|
| Rotation speed | — | 360° in 3.8 seconds[source] |
|---|
| Maximum burst size | — | 1,000 rounds.[source] |
|---|
| Ammunition | — | 1,190 linkless (HEI, API, TP, MPDS, FMPDS) rounds in a below-deck magazine.[source] |
|---|
| Reload time | — | 9 minutes (loading is done below deck)[source] |
|---|
| Weapons range | — | 350 to between 1,500 and 2,000 meters dependent on ammunition.[source] |
|---|
| 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.[source] |
|---|
| Engagement radar | — | I band and K band monopulse cassegrain .[source] |
|---|
| Optical system | — | TV (Future EO/IR)[source] |
|---|
| 100% kill distance | — | 500 m[source] |
|---|
| Former operator · Royal Navy | — | Royal Navy[source] |
|---|
| Former operator · German Navy | — | German Navy[source] |
|---|
| Role | — | short-range defence of ships[source]The exact equipment subject, not its carried payload or supported platform |
|---|
| Reported operators |
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