HC Deb 10 March 1978 vol 945 cc797-8W
Mr. Trotter

asked the Secretary of State for Defence what is the average age of the unarmed (a) Sea Herons, (b) Sea Devons and (c) Sea Princes which have now been earmarked for a general wartime support role; and how many of each type are in service.

Dr. Gilbert

There are four Sea Herons, six Sea Devons and 10 Sea Princes in operational service with the Royal Navy. The first of each type entered RN service in 1961, 1955 and 1952 respectively. Their average age is not readily available.