The Subskimmer is a

diver propulsion vehicle A diver propulsion vehicle (DPV), also known as an underwater propulsion vehicle, sea scooter, underwater scooter, or swimmer delivery vehicle (SDV) by armed forces, is an item of diving equipment used by scuba divers to increase range underwa ...

which is a form of

rigid inflatable boat A rigid inflatable boat (RIB), also rigid-hull inflatable boat or rigid-hulled inflatable boat (RHIB), is a lightweight but high-performance and high-capacity boat constructed with a rigid hull bottom joined to side-forming air tubes that are ...

(RIB) with an outboard petrol (gasoline) engine. It is equipped to inflate and deflate itself as it runs. When submerged it seals its engine and runs with battery-electric thrusters, which are on a rotatable cross-arm, and is deflated. Thus it transforms between a fast light surface boat and a submerged diver propulsion vehicle. The central box contains the pump to deflate and inflate the tubes, and a miscellaneous kit. The batteries, being heavy, are in a thick tube along its keel. Its outboard motor has a long snorkel so the Subskimmer can run on motor just submerged to try to avoid detection. Its thrusters are on a rotatable cross-arm which contains navigation kit. The Subskimmer project was started in the late 1970s by Submarine Products Ltd. of

Hexham Hexham ( ) is a market town and civil parish in Northumberland, England, on the south bank of the River Tyne, formed by the confluence of the North Tyne and the South Tyne at Warden nearby, and close to Hadrian's Wall. Hexham was the administra ...

Northumberland Northumberland ( ) is a ceremonial counties of England, ceremonial county in North East England, on the Anglo-Scottish border, border with Scotland. It is bordered by the North Sea to the east, Tyne and Wear and County Durham to the south, Cumb ...

England England is a Countries of the United Kingdom, country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and List of islands of England, more than 100 smaller adjacent islands. It ...

, the first boats being sold in their original form in 1983/84. There are 3 photographs of a working Subskimmer demonstrated in

Portsmouth Portsmouth ( ) is a port city status in the United Kingdom, city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in En ...

, in the 15 September 1983 edition of the ''

Daily Telegraph ''The Daily Telegraph'', known online and elsewhere as ''The Telegraph'', is a British daily broadsheet conservative newspaper published in London by Telegraph Media Group and distributed in the United Kingdom and internationally. It was foun ...

'' newspaper; the caption states its range as at underwater and at on the surface. Submarine Products Ltd also built an orange search and rescue version of Subskimmer called Seasearcher with high intensity submersible spotlights fitted. When Submarine Products Ltd closed down, Subskimmer (as at 1989) was made by Defence Boats Ltd, based in

. At December 1992 it was being made (renamed Kraken 90) by Serrico, who were based at Saint-Georges-du-Vièvre in

Normandy Normandy (; or ) is a geographical and cultural region in northwestern Europe, roughly coextensive with the historical Duchy of Normandy. Normandy comprises Normandy (administrative region), mainland Normandy (a part of France) and insular N ...

in France. In 1993 KSA (Underwater) Ltd in Alston in

Cumbria Cumbria ( ) is a ceremonial county in North West England. It borders the Scottish council areas of Dumfries and Galloway and Scottish Borders to the north, Northumberland and County Durham to the east, North Yorkshire to the south-east, Lancash ...

, England bought all rights to the Subskimmer. KSA (Underwater) Ltd gave some marketing rights to Alpha Champ Marine Products Ltd, who defaulted on payment for the rights and all agreements with them subsequently lapsed. Alpha Champ Marine Products Ltd ceased to trade in 2007 and was dissolved in 2009. In 2009, Special Products division of Marine Specialised Technology Limited bought KSA (Underwater) Ltd along with all rights to its product range including Subtug and Subskimmer Submersible Craft, and moved all production to its manufacturing facility in Liverpool where it already designs and manufactures surface craft for military and commercial applications. As of December 2014, it appears that Subskimmers are being made in Indonesia for its armed forces.

Users

Subskimmers are used by: *The

Royal Thai Navy The Royal Thai Navy (Abbreviation, Abrv: RTN, ทร.; , ) is the Navy, naval warfare force of Thailand. Established in 1906, it was modernised by the Admiral Prince Abhakara Kiartiwongse (1880–1923) who is known as the father of the Royal N ...

Marine Corps

Other uses of the name

The word "subskimmer" has been found on the

WWW The World Wide Web (WWW or simply the Web) is an information system that enables Content (media), content sharing over the Internet through user-friendly ways meant to appeal to users beyond Information technology, IT specialists and hobbyis ...

used also (incorrectly, as it is a registered trade name) to mean: *An

Exocet The Exocet () is a French-built anti-ship missile whose various versions can be launched from Warship, surface vessels, Submarine, submarines, Helicopter, helicopters and fixed-wing aircraft. Etymology The missile's name was given by M. Guil ...

-type anti-ship

missile A missile is an airborne ranged weapon capable of self-propelled flight aided usually by a propellant, jet engine or rocket motor. Historically, 'missile' referred to any projectile that is thrown, shot or propelled towards a target; this ...

. *As a generic referring to the Infernus a Subskimmer-like boat that was designed and made by students at KTH in

Sweden Sweden, formally the Kingdom of Sweden, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, and Finland to the east. At , Sweden is the largest Nordic count ...

academic year An academic year, or school year, is a period that schools, colleges and university, universities use to measure the duration of studies for a given educational level. Academic years are often divided into academic terms. Students attend classe ...

2003–2004. Its introduction refers to ''denna'' (this) ''subskimmer, Infernus''.

References

{{Underwater diving, divsup Boats