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Patrol & mine warfare vessels12Profile in progress
Police Patrol Boat
Island-class patrol vessel (2013) is a police Patrol Boat. It was built by Holyhead Marine Services. Reported operators include MoD Police Clyde Marine Unit (primary) . Portsmouth Marine Unit. Force Protection Group Royal Marines.
United KingdomHolyhead Marine Services
MoD Police Clyde Marine Unit (primary) . Portsmouth Marine Unit. Force Protection Group Royal Marines
14m police boat
new hull in design phase
RM patrol craft
294 miles at 33kts full load
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Police Patrol Boat
19.9 tonnes
14.90m (OA)
4.58m
0.90m (Full Load)
Twin Caterpillar C18 @ 715bhp (533kW) coupled to Rolls-Royce FF37 Waterjets
33kts @ 19.9 tonnes
3
Capable of carrying variety of weapons fit
Ballistically protected
4.6 m (15 ft 1 in)
In excess of 275 nautical miles (509 km)
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Island -class patrol boat United Kingdom Patrol boat 3 20 tonnes (20 long tons; 22 short tons) Three Island -class patrol boats ( Mull, Rona, Eorsa ) are used for force protection duties by 43 Commando Fleet Protection Group at HM Naval Base Clyde .
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
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| 1 Oct 2026 | 14.9 m | Wikipedia contributors | superseded |
| 1 Oct 2026 | 14.9 m | Wikipedia contributors | approved |
Island-class patrol vessel (2013) equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
United KingdomRoyal Marines exact named Island equipment holdings under PATROL AND COASTAL COMBATANTS, PB. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. This is the named service only, not a national or parent-force total, factory production, ordered future units or combat-readiness measure. Weapons per vessel, crews, payloads and capacity counts are excluded. Only the modern 14.9m MoD-police/Royal Marines class is bound, not the historic 59m Royal Navy Island class. The PDF dated two is retained; the own undated text separately describes two ex-police vessels and a third Eorsa, so this does not silently imply that all own-source vessels are the same dated census.
MoD Police Clyde Marine Unit (primary) . Portsmouth Marine Unit. Force Protection Group Royal Marines
Equipment reference ↗