Navy News Stories
03 September 2010
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HMS Gleaner
HMS Gleaner
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Background on HMS Gleaner    

Fleet’s smallest vessel sweeps all before her

Gleaner is one of the more unusual units of the Fleet, as well as being the smallest commissioned vessel at 23 tons.

For a start, she is not an HMS but HMSML – Her Majesty’s Survey Motor Launch.

But that apart, she still sails under the White Ensign, and has her own Surveying Squadron pennant number, H86 – though it is unlikely she would be confused with any of her bigger squadron sisters.

Since a recent facelift, she also features a unique piece of surveying equipment in her Atlas Fansweep 20 multibeam echo sounder, which no other Royal Navy vessel carries.

This allows Gleaner to collect sounding from a broad swathe of seabed, instead of the traditional line of soundings.

Apart from dramatically reducing the time taken to collect data from an area, it also allows the launch to produce accurate ‘pictures’ of the seabed.

Surveyors now store data on digital tape – gone are the day of the painstaking process of creating a hand-drawn fairsheet.

Her very first deployment set the standard for her unorthodoxy; she headed straight for Earl’s Court in London – on the back of a low-loader – in early 1984 to put in an appearance at the International Boat Show.

Tasked to conduct insure and harbour surveys, her first active service was conducted in the approaches to Portsmouth Harbour, and her first ‘overseas’ run saw her working two months off Jersey and Alderney.

But perhaps her most unusual feat was to deploy to Basel in 1988, a journey of 460 miles from the open sea.

Gleaner sailed across the North Sea and off into the Netherlands, exciting interest from the locals as she went.

Gleaner’s ultimate destination was Basel – 700 miles from Portsmouth – where the launch berthed at Three Corners, the point at which Germany, France and Switzerland meet.

The launch as a ship’s company of eight; the Commanding Officer and Executive Officer (currently Lts Gary Hesling and Victoria Gillard), a Petty Officer (Surveyor), two Leading Seamen (Survey Recorders), a Leading Weapon Engineering Mechanic, a Leading marine Engineering Mechanic and an AB (Survey Recorder) – a junior team to shoulder a high level of responsibility.

Indeed, as Navy News went to press, one of Gleaner’s ship’s company, PO(SR) Jezz Groves, the Cox’n, was due to receive the Defence Surveyor’s Associaiton 2000 Annual Hydrographic Prize at a reception at Woolwich Barracks in London.

Gleaner will spend the next few months surveying Loch Long, the Kyle of Lochalsh and Lamlash Bay in the Isle of Arran in Scotland before heading back south for further work in Plymouth Sound.


Launch has mixed ancestry


A mixed bag of eight vessels have carried the name Gleaner since the first survey ketch was hired in 1808.

The first was lost in 1814 after three years as a dockyard lighter, and it was more than 20 years before the next Gleaner appeared, an 1837 paddle gunboat rebuild of the GPO’s Gulnare (1833).

Next was a wooden gunboat built at Deptford in 1854, mounting howitzers. She won a Battle Honour in the Baltic in 1855, and was sold at Montevideo in 1868.

Gleaner number four was a 735-ton torpedo gunboat built at Sheerness in 1890 and sold 15 years later, while the next two coexisted; number five was a 160-ton tender, formerly the War Department vessel General Stothard, which was transferred in 1906 and sold in 1921, while a trawler of the same name was hired from 1915-16. A drifter named Gleaner of the Sea was sunk by German warships in the Dover Straits in 1916.

The current Gleaner’s predecessor, an 835-ton survey vessel was built in 1937 and took up minesweeping duties in 1938. She won four Battle Honours, and was broken up in 1950.

Facts and Figures
 
Class: Gleaner-class motor survey launch
Pennant Number: H86
Builder:

Based on a Halmatic Talisman hull, fitted out by Emsworth Shipbuilder for survey work

Launched: October 18, 1983
Commissioned: December 5, 1983
Displacement: 26 tons, fully loaded
Length: 16 metres
Breadth: 4.55 metres
Draught: 1.55 metres
Speed: 17 knots
Complement: Eight; two officers, one senior rate and five junior rates
Main machinery: Two Volvo Penta TAMD 122D diesel engines
Sensors and surveying equipment: Atlas Fansweep 20 multibeam echo sounder; Atlas Dieso echo sounder 25; Type 2094 towed side scan sonar; Fugro MN8 DGPS; TSS POSMV GPS
Radar: Navigation: Raytheon R40SX; I-band
   

(Ship of the Month July 2001)

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