Offshore rescue vessel
Clyde class
Royal National Lifeboat Institution · United Kingdom & Ireland
Large cruising lifeboats intended to remain at sea on station in Scottish waters.
Specifications
Hull & dimensions
- Manufacturer / builder
- —
- Hull type
- —
- Hull material
- —
- Watertight compartments
- —
- Length overall
- 21.3 m (69.9 ft)
- Length at waterline
- —
- Beam
- —
- Draught
- —
- Freeboard at bow
- —
- Freeboard at stern
- —
- Displacement
- —
- Gross tonnage
- —
- Net tonnage
- —
- Min vertical clearance
- —
- Height to highest unfixed point
- —
- Height to highest fixed point
- —
- Number built
- 2
- Year introduced
- 1965
- Year retired
- 1988
Machinery & propulsion
- Propulsion type
- —
- Engines
- —
- Engine manufacturer
- —
- Total engine power
- —
- Fuel type
- —
- Total fuel capacity
- —
- Fresh water capacity
- —
- Launch method
- —
Members-only
Operating limits (seas, surf, wind), towing and stability data, and detailed engineering specifications are available to Members.
Performance & capabilities
- Maximum speed
- 11 kn (20.4 km/h · 12.7 mph)
- Range
- —
- Endurance
- —
- Crew complement
- —
- People capacity
- —
- Self-righting
- —
- Self-bailing
- —
- Ice operations capable
- —
- Max ice-breaking thickness
- —
- Medical facilities onboard
- —
Members-only
Operating limits (seas, surf, wind), towing and stability data, and detailed engineering specifications are available to Members.
Operational envelope & limits
Members-only
Operating limits (seas, surf, wind), towing and stability data, and detailed engineering specifications are available to Members.
Source citations
| # | Source | Type | Supports | Accessed |
|---|---|---|---|---|
| [1] | RNLI official website RNLI https://rnli.org/about-us/our-history | official | General | Not yet checked |
| [2] | Clyde-class lifeboat Wikipedia https://en.wikipedia.org/wiki/Clyde-class_lifeboat | reference | General | 2026-09-30 |
| [3] | 70ft Clyde class (Lifeboat journal) RNLI Lifeboat Magazine Archive https://lifeboatmagazinearchive.rnli.org/volume/43/448/70-clyde-class-a-trawler-type-lifeboat-designed-to-lie-offshore-in-such-exposed-waters-as-the-bristol-channel-and-the-orkneys-and-to-b | publication | General | 2026-09-30 |