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D-class lifeboat (EA16)

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Title: D-class lifeboat (EA16)  
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Language: English
Subject: Jersey Fire and Rescue Service, Penlee Lifeboat Station, Aberdeen Lifeboat Station, Weston-super-Mare Lifeboat Station, Royal National Lifeboat Institution lifeboats
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D-class lifeboat (EA16)

D-class lifeboat at speed
General characteristics
Class & type: Evans Avon 16
Displacement: 338 kg (745 lb)
Length: 4.9 m (16 ft)
Beam: 2 m (6.6 ft)
Propulsion: 1 × 40 hp Mariner outboard engine
Speed: 20 knots (23 mph)
Endurance: 3 hours at full speed
Complement: 3 or 4

The D-class (EA16) lifeboat is a class of inflatable boat formerly operated by the Royal National Lifeboat Institution of the United Kingdom and Ireland. It has been replaced by the D-class (IB1).

The type designator EA16 stands for Evans Avon 16.


For more than 40 years the D-class has served as the workhorse of the RNLI Inshore Lifeboat (ILB) fleet. Significantly smaller in comparison to the rest of the inshore fleet, the D-class is also one of the few RNLI types not to feature a rigid hull. The main aspect of the boat would be both its size and weight - only 436 kg (961 lb). The D-class has been specifically designed as a light and highly manoeuvrable rapid response craft.

Design and construction

RNLB Inbhear Deas (D-518), which is now part of the Flood Rescue team.

The D-class lifeboat consists of two sponsons, together housing seven inflatable segments intersected by baffles. The main construction fabric is Hypalon-coated Nylon which provides a durable, non-tear surface.

This is one of the smaller classes of lifeboat operated by the RNLI, and they are a common sight at lifeboat stations around the coast. Unlike other members of the ILB fleet, the D-class does not have a rigid hull; all others, with the exception of the Arancia, hovercraft and ALB Tenders, are Rigid Inflatable Boats (RIBs).

The D-class normally has a crew of three or four and is primarily used for surfer/swimmer incidents as well as assisting in cliff incidents

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