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Mersey class
PropertyMersey class
RNLI · United Kingdom & Ireland
Nation & organisation
OrganisationRoyal National Lifeboat Institution
Organisation typeCharity (volunteer)
NationUnited Kingdom & Ireland
Vessel typeAll-weather lifeboat
StatusIn service
Service period1988–present
Hull & dimensions
Hull materialAluminium / composite
Length overall11.6 m (38.1 ft)
Beam3.8 m (12.5 ft)
Draught1 m (3.3 ft)
Displacement14 t (15.4 US tons)
Number built38
Machinery & propulsion
Propulsion typeTwin propellers in tunnels
Engines2 x Caterpillar 3208T
Launch methodCarriage
Performance & capabilities
Maximum speed17 kn (31.5 km/h · 19.6 mph)
Range145 nm (269 km · 167 mi)
Crew complement6
Self-rightingYes
Capabilities
Capabilities recorded4
Beach / carriage launch✓
Heavy-weather operations✓
Self-righting✓
Towing✓
Provenance
Data statusUnverified
Last checkedNever
Sources cited1

Members-only

Operating limits (seas, surf, wind), towing and stability data, and detailed engineering specifications are available to Members.