The Naval Air Command Sub Aqua Club (NACSAC) is an organisation within the Royal Navy that oversees sports and technical diving training activities for naval aviation and fleet units. Today it has branches at RNAS Culdrose (HMS Seahawk) and RNAS Yeovilton (HMS Heron). Both bases are able to provide training, and club members regularly dive in their local areas on weekends. Diving instruction, from beginner to advanced level, is offered under the auspices of the British Sub Aqua Club.
In the early 1960s a group of Chief Petty Officers from the Naval Air Command had an ambition to form amateur diving clubs and put together annual expeditions. These clubs were first based at the naval air stations of Portland (HMS Osprey), Culdrose and Yeovilton and conducted diving under the auspices of an umbrella organisation which became known as the "Naval Air Command Sub Aqua Club" (NACSAC). The club's first chairman was Lieutenant Roy Graham, an engineer officer who had begun his diving career aboard the aircraft carrier HMS Victorious. Whilst in Gibraltar, he was in charge of diving training on this ship. Following a shallow water diving course with 24 entrants and only himself and a Royal Air Force medical officer finishing the rigorous training, Graham became the only Fleet Air Arm officer with a naval diving qualification. One of the club's first projects was to send a team of divers to the Isles of Scilly to find an historic Royal Navy ship, like HMS Association, a 90-gun ship of the line lost in the great naval disaster in 1707. In 1964 about ten NACSAC members - including the shipwreck expert and writer, Chief Petty Officer Richard Larn - duly arrived on Scilly, thought at that time to be only the second group of divers ever to come there. Their initial dives sparked off a long chain of navy visits that continued for four years. In 1964, 1965 and 1966 the divers could only get out to the Western Rocks, but hardly around the Gilstone Ledge, where a later expedition managed to locate the wreck of HMS Association in 1967. The rediscovery of the site also led to more government legislation, notably the Protection of Wrecks Act 1973, passed in an attempt to preserve British historic wreck sites as part of the maritime heritage.
Such annual expeditions, organised to promote the adventurous aspects of diving as an exciting sport, have since become a key facet of NACSAC activities. Despite changes to the Royal Navy Fleet command structure, the club has retained its historic title and continues to advocate sports diving activities.
- ↑ 2.0 2.1 Interview with Roy Graham in December 2005. In retirement, he (then a Commander, RN) and his wife Grace moved to the Isles of Scilly where they ran a holiday guest house and became active in developing tourism on the Isles. He died in 2007 shortly before the 300th anniversary of the great naval disaster of 1707.
- ↑ 3.0 3.1 3.2 Wreck of the fleet and treasures of the deep, The Islander 3, Autumn/Winter 2007.
- ↑ The HMS Association Treasure Wreck, Scilly Isles
- ↑ Statement by PS Hygate, Chief Executive for the Tricentenary of the Wreck of the Association.
- ↑ For more details on these dives and the later discovery of the Association, see McBride, Peter and Larn, Richard (1999) Admiral Shovell's treasure; ISBN 0-9523971-3-7 (hardback) ISBN 0-9523971-2-9 (paperback).
- ↑ The annual expedition in 1966 was announced as a search for the wreck of the Association. Plans to find it had existed before (see above), but until then the dives in the Isles of Scilly had largely discovered modern wrecks. See the List of shipwrecks of the Isles of Scilly.
- ↑ BSAC Pioneers on the British Sub-Aqua Club website.
- ↑ www.shipwrecks.uk.com/tricent-leaflet
- NACSAC on the UK Ministry of Defence website
- NACSAC's heraldic emblem as a Royal Navy unit
- Navy News report on NACSAC activities in 2002
- British Sub Aqua Club, official website
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