All-weather lifeboat
Johannes Frederik class
Koninklijke Nederlandse Redding Maatschappij · Netherlands
Successor design to the Arie Visser class.
Specifications
Hull & dimensions
- Manufacturer / builder
- —
- Hull type
- —
- Hull material
- Aluminium
- Watertight compartments
- —
- Length overall
- 19 m (62.3 ft)
- Length at waterline
- —
- Beam
- 6.2 m (20.3 ft)
- Draught
- 1 m (3.3 ft)
- 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
- 2009
- Year retired
- —
Machinery & propulsion
- Propulsion type
- Twin waterjets
- Engines
- 2 x diesel
- Engine manufacturer
- —
- Total engine power
- —
- Fuel type
- —
- Total fuel capacity
- —
- Fresh water capacity
- —
- Launch method
- Afloat
Members-only
Operating limits (seas, surf, wind), towing and stability data, and detailed engineering specifications are available to Members.
Performance & capabilities
- Maximum speed
- 32 kn (59.3 km/h · 36.8 mph)
- Range
- —
- Endurance
- —
- Crew complement
- 6
- People capacity
- —
- Self-righting
- Yes
- 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] | KNRM https://www.knrm.nlImported at initial compilation; not yet checked against source. | official | General | Not yet checked |
| [2] | Reddingboot klasse Johannes Frederik KNRM https://www.knrm.nl/reddingboten/johannes-frederik-klasse | official | General | 2026-09-30 |
| [3] | Johannes Frederik (type reddingboot KNRM) Wikipedia (NL) https://nl.wikipedia.org/wiki/Johannes_Frederik_(type_reddingboot_KNRM) | reference | General | 2026-09-30 |