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D-class (IB1)
PropertyD-class (IB1)
RNLI · United Kingdom & Ireland
Nation & organisation
OrganisationRoyal National Lifeboat Institution
Organisation typeCharity (volunteer)
NationUnited Kingdom & Ireland
Vessel typeInflatable rescue boat
StatusIn service
Service period2003–present
Hull & dimensions
Hull materialHypalon-coated fabric
Length overall5 m (16.4 ft)
Beam2 m (6.6 ft)
Draught0.52 m (1.7 ft)
Displacement0.4 t (0.5 US tons)
Machinery & propulsion
Propulsion typeSingle outboard
Engines1 x 50 hp outboard
Launch methodTrolley
Performance & capabilities
Maximum speed25 kn (46.3 km/h · 28.8 mph)
Endurance3 h
Crew complement3
Capabilities
Capabilities recorded2
Surf operations✓
Survivor recovery aid✓
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.