Inflatable rescue boat
C class (Zodiac Grand Raid IV)
Royal National Lifeboat Institution · United Kingdom & Ireland
Twin-engined inflatable inshore lifeboat operated by the RNLI.
Specifications
Hull & dimensions
- Manufacturer / builder
- Zodiac Marine & Pool
- Hull type
- —
- Hull material
- —
- Watertight compartments
- —
- Length overall
- 5.33 m (17.5 ft)
- Length at waterline
- —
- Beam
- 2.4 m (7.9 ft)
- 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
- —
- Year introduced
- —
- Year retired
- —
Machinery & propulsion
- Propulsion type
- 2 × 40 hp Mariner outboards
- 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
- 26 kn (48.2 km/h · 29.9 mph)
- Range
- —
- Endurance
- —
- Crew complement
- 4
- 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] | C-class lifeboat (Zodiac Grand Raid IV) Wikipedia https://en.wikipedia.org/wiki/C-class_lifeboat_(Zodiac_Grand_Raid_IV) | reference | General | 2026-09-30 |