42ft Watson-class lifeboat

	Dorothy and Phillip Constant
Class overview
Name:	42ft Watson-class
Builders:	William Osborne, Littlehampton; Groves & Guttridge, Cowes; J Samuel White, Cowes;
Operators:	Royal National Lifeboat Institution
Preceded by:	41ft Watson
Succeeded by:	various
Cost:	£26,000-£36,000
Built:	1954-1962
In service:	1954-1987
Completed:	10
Retired:	10
General characteristics
Class and type:	42ft Watson
Displacement:	17 tons
Length:	42 ft (13 m)
Beam:	12 ft (3.7 m)
Draught:	3 ft 7 in (1.09 m)
Propulsion:	2 × 48bhp Gardner 4LW 4-cyl. diesel
Speed:	8 knots
Range:	235 nm
Crew:	7

The 42ft Watson-class was a class of non self-righting displacement hull lifeboat built between 1954 and 1962 and operated by the Royal National Lifeboat Institution (RNLI) around the coasts of the United Kingdom and Ireland between 1954 and 1987.

History

The 42ft Watson was the final example of the medium-sized Watson type lifeboat built primarily for slipway launching at those stations where physical boathouse constraints and/or slipway strength precluded the use of the longer and heavier types. They were historically significant in being the first RNLI boats to be fitted with commercially available engines rather than the RNLI designed types previously used. The prototype, William Taylor of Oldham (ON 907) went on station at Coverack in Cornwall in July 1954 and served there until May 1972 as the final all-weather lifeboat at the station. In 1957 a version was developed suitable for beach launching. This had a widened (beam 12ft 3in) and strengthened hull to take the rigours of launching over skids.

Description

The wooden hulled 42ft Watson featured a long tapering aluminium superstructure running forward from the aft cockpit. The forward part of this, ahead of the engine room, was a survivor cabin. A major departure from previous RNLI practice was the use of commercially available engines, in the form of two Gardner 4LW 4-cylinder marine diesels producing 48bhp each. The exhaust from the engines was taken up the forward mast, as with the later 46ft 9in Watson-class boats. With the exception of the last boat, ON 967, which came four years after the previous example, all of the boats originally had open cockpits. In 1965, the first boat, ON 907, was given an enclosed wheelhouse and ON 937 followed in 1967. The others, with the exception of the Aldeburgh boat, had the wheelhouse enclosed in 1971. Aldeburgh's ON 946 was the only boat fitted with a mizzen mast, at the request of the crew, for a steadying sail in rough weather and was the only boat to retain an open cockpit to the end. The last boat built had an enclosed wheelhouse from the start. During the course of their service, the boats were fitted with radar and the original aerial rigging was replaced by a long pole aerial.

Fleet

ON is the RNLI's sequential Official Number.

ON	Name	Built	Builder	In Service	Stations	Comments
907	William Taylor of Oldham	1954	William Osborne, Littlehampton	1954–1972 1972–1973 1973–1986	Coverack Relief fleet Arklow	Sold August 1986
909	James and Barbara Aitken	1955	William Osborne, Littlehampton	1955–1968 1968–1976	Troon Girvan	Damaged on service 15/10/1976 and withdrawn. Sold 1977
922	Watkin Williams	1956	William Osborne, Littlehampton	1956–1977 1978–1981 1981–1983	Moelfre Oban Relief fleet	Sold May 1983
933	J.W. Archer	1956	William Osborne, Littlehampton	1956–1987	Wicklow	Last 42ft Watson on station. Sold March 1989
934	The Duke of Montrose	1956	Groves & Guttridge, Cowes	1956–1982 1982–1984	Arbroath Relief fleet	Sold 1984 to ADES Uruguay
937	Mabel E. Holland	1957	William Osborne, Littlehampton	1957–1978 1979–1983	Dungeness Relief fleet	Beach version. Sold 1983
941	William and Mary Durham	1957	William Osborne, Littlehampton	1957–1976 1977–1983	Berwick Girvan	Sold October 1983
946	Alfred and Patience Gottwald	1958	J Samuel White, Cowes	1959–1979 1979–1980	Aldeburgh Relief fleet	Beach version. Sold 1980
948	Charles Dibdin (Civil Service No.32)	1958	William Osborne, Littlehampton	1959–1975 1975–1977 1977–1979 1979–1982 1982–1988	Walmer Relief fleet Eastbourne Aldeburgh Relief fleet	Beach version. Sold 1988
967	Dorothy and Philip Constant	1962	Groves & Guttridge, Cowes	1963–1981 1981–1982 1982–1987	Shoreham Harbour Oban Relief fleet	Sold April 1988

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External links

RNLI

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