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four- barrelled 25 mm CIWS
Sea Zenith is a four- barrelled 25 mm CIWS.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 1 Oct 2026 | 25 mm | Wikipedia contributors | approved |
| 1 Oct 2026 | 25 mm | Wikipedia contributors | superseded |
| 1 Oct 2026 | 25 mm | Wikipedia contributors | superseded |
Sea Zenith is a four- barrelled 25 mm CIWS
developed in the 1980s by Oerlikon Contraves ( Rheinmetall Air Defence since 2009)
manufactured in Switzerland
automatic gun uses a 25x184mm cartridge
cartridge (longer than the one used by the more common Oerlikon KBA gun) at a rate of 800 rounds a minute
The system is mounted in an enclosed automatic turret and directed by the Seaguard radar developed by Contraves
Caliber: 25 mm
Rate of fire: 3,200 rpm (combined)
Range: 2 km
Weight: 3500 kg
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Sea Zenith equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.