 Helen Blake (ON 809) at Chatham Historic Dockyard
| |
| Class overview | |
|---|---|
| Builders | Groves and Guttridge of Cowes |
| Operators |  Royal National Lifeboat Institution |
| Cost | £1.893 |
| Built | 1938 |
| In service | 1938–1959 |
| Planned | 10 |
| Completed | 1 |
| Retired | 1 |
| Preserved | 1 |
| General characteristics | |
| Displacement | 3.25 tons |
| Length | 28 ft (8.5 m) |
| Beam | 8 ft (2.4 m) |
| Propulsion | 1 × 20-hp Hyland petrol engine |
| Speed | 7.5 knots (8.6 mph; 13.9 km/h) |
| Range | 40 nmi (74 km) |
| Capacity | 23 |
| Complement | 5 |
The Harbour-class lifeboat was the first lifeboat to be classed as an Inshore lifeboat, operated by the Royal National Lifeboat Institution (RNLI). Only one was constructed, and operated at Poolbeg in Dublin Bay, Ireland for its entire service life.[1]
- ^ Leonard, Richie; Denton, Tony (2024). Lifeboat Enthusiasts Handbook 2024. Lifeboats Enthusiasts Society. p. 36.