The E-class lifeboat forms part of the RNLI fleet in the

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, operating exclusively in the tidal reach of the

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. The class was introduced in 2002 to serve the tidal reach of the River Thames, which had not previously been covered by an RNLI rescue service, as a result of a much delayed enquiry into the

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in 1989, in which 51 people died. The enquiry criticised the lack of a rescue service for the tidal Thames, and the

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asked the Maritime and Coastguard Agency, the Port of London Authority and the RNLI to work together to set up a dedicated Search and Rescue service for this stretch of the river. There are two different versions of the E-class, described as the mark I and mark II. The original intention was that the mark II boats would replace the mark Is, but building of the last two mark Is has been put on hold and there are currently two mark Is and three mark IIs in use, split between

Chiswick Lifeboat Station Chiswick Lifeboat Station is a lifeboat station on the north bank of the River Thames at Corney Reach, Chiswick, in west London. It is one of the newest stations operated by the Royal National Lifeboat Institution (RNLI), and one of the first ...

to the west of central London, and

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in central London. An E-class boat also originally operated from

Gravesend Lifeboat Station Gravesend Lifeboat Station is situated on the Royal Terrace Pier in Gravesend, Kent, on the lower reaches of the River Thames. It is one of the newest lifeboat stations operated by the Royal National Lifeboat Institution (RNLI), and one of th ...

to the east of London, but it proved less suitable for the more estuarine conditions found there and was replaced in 2009 with an Atlantic 85. Both versions of the E-class carry a variety of rescue equipment including

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s, a

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, an emergency defibrillator, a

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navigation system,

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, a self-righting system, a radar interrogator, towing equipment, and lighting equipment.

Mark I

RNLI Chatham E class ILB Olive Deare 8358

The mark I boat was an off the shelf design built by Tiger Marine. It is made of an aluminium alloy with a closed cell polythene foam collar, and is powered by two Steyr marine diesel engines delivering each at 4,100rpm and driving

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waterjets. This combination gives the boats a maximum speed of and the extreme maneuverability which is essential to enable crews to reach casualties in the fast flowing river. The boat is long, has a beam of , a draft of , a displacement of , and carries three crew. The maximum endurance at full speed is 4 hours.

Mark II

The mark II boat was designed by RNLI engineers, incorporating experience gained with the mark I boats, and built by

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. It has a glass epoxy-resin composite hull with a detachable polyurethane covered solid closed-cell foam collar, and is powered by two

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marine diesel engines delivering each at 3,300rpm and driving Hamilton waterjets. This combination gives the boats an improved maximum speed of . The boat is long, has a beam of without collar and with collar, a draft of , a displacement of , and carries four crew. The maximum endurance at full speed is 3 hours.

Mark III

New Delta Power Group RIB Mark III E-Class lifeboat operated by RNLI allocated the fleet number E-10.

Other

The RNLI also had a Valiant RIB which was allocated the fleet number E-01.

Notes

References

External links

The E-class lifeboat on the RNLI web site
{{RNLI lifeboat classes Royal National Lifeboat Institution lifeboats