CFAV Otter (YAG 312)

Canadian Forces Auxiliary Vessel (CFAV) Otter (YAG 312) was one of ten wooden YAG-300 (Yard Auxiliary, General) vessels built for the Royal Canadian Navy (RCN) between 1953 and 1955. Built for use as auxiliary craft, Otter primarily served as an at-sea training platform for junior naval officers, boatswains, reserve personnel and Sea Cadets at Canadian Forces Base (CFB) Esquimalt.[1][2]

History
Canada
Operator: Royal Canadian Navy
Builder: Star Shipyard (Mercer's)
In service: 1954-2007
Homeport: CFB Esquimalt
Identification: YFM-312 (1955); YFP-312 (1960); YAG-312 (1978); YAG-312 "Lynx" (1980)
Status: Sold in 2011 to private owners
General characteristics
Type: Training vessel
Displacement: 70 tonnes (69 long tons)
Length: 75 ft 3 in (22.94 m)
Beam: 18 ft (5.5 m)
Draught: 2.6 m (8 ft 6 in)
Installed power: Yanmar diesel generator
Propulsion: 2 × Detroit Diesel 6-71 series engines, 320 hp (239 kW)
Boats & landing
craft carried:		 Zodiac launch
Complement: 12 - 14

Design and Layout

Like other YAG 300 vessels, Otter was 75′ long overall, 18′6″ wide, had a draft of 4′6″, measured 70 tonnes, and was powered by twin 6-71 Detroit Diesel engines. Otter was arranged in typical naval fashion with officer’s housed forward with the galley and their own head, an engine room midships, and cadet room aft with 12-14 bunks in double tiers. The heads are equipped with a pump-action lever, that can be used to pump sewage into the black water treatment tanks held aboard or into the ocean water. Above decks was the wheelhouse mounted on the forward cabin's coaming; aft of that, the exposed breezeway; and, mounted on the after cabin's coaming, a Zodiac launch as well as a food locker and barbeque. Above the wheelhouse was an open bridge, fitted with a chart table and a gyrocompass repeater. A second gyro repeater was fitted on the quarterdeck. Otter was equipped with a Furuno 1831 navigation radar, with the display located in the wheelhouse.

Operational history

Built by Star Shipyard Ltd. of New Westminster, BC in 1953 she was delivered to the RCN as YFM 312 (Yard Ferry, Man) and served as a harbour ferry boat. Re-designated as YFP-312 (Yard Ferry, Personnel) in 1960, together with YAG 320 Lynx she was designated as a tender to HMCS Oriole in 1963.[3] Later designated as YAG 312 Otter, she was regrouped under the control and operation of the Small Boats Unit (SBU) at HMC Dockyard Esquimalt where she was used for seamanship and navigation training until 2007. Otter was offered for sale by the Canadian Government as part of the YAG 300 Replacement Project, which saw the YAG boats replaced by new Orca-class patrol vessels.[4] In 2011 she was sold to private owners for C$1,651.00.

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References
  1. "DND/CF : Backgrounder : The YAG 300 Replacement Project". web.archive.org. 2007-03-11. Retrieved 2019-12-24.
  2. "Yard Auxiliary General Info". Yard Auxiliary General. Retrieved 23 December 2019.
  3. "YAG 320 (LYNX) - For Posterity's Sake". www.forposterityssake.ca. Retrieved 2019-12-28.
  4. "Canadian Navy YAG's for sale". blog.tadroberts.ca. Retrieved 2019-12-24.
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