YAG training vessels

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Class overview
Operators:  Royal Canadian Navy
Succeeded by: Orca-class patrol vessel
Built: 1954–1958
Completed: 6
General characteristics
Type: Training vessel
Displacement: 70 tonnes (69 long tons)
Length: 75 ft 3 in (22.94 m)
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

YAG (Yard Auxiliary, General) training vessels are wooden boats built between 1954 and 1958 and based at CFB Esquimalt in Esquimalt, British Columbia, Canada. The vessels were used for training Royal Canadian Navy regular naval officers, naval reservists, and members of the Royal Canadian Sea Cadets in basic seamanship, vessel handling, and navigation. According to the Department of National Defence, "in 2000, a total of 1830 personnel were deployed on the YAGs for a total of 585 days and steamed over 25,000 nautical miles (46,000 km) in support of training."[1]


YAGs displace 70 tonnes, and are divided into six major below-decks compartments:

  • Right forward
  • Chain locker
  • Forward cabin, containing the galley
  • One of the heads (washrooms)
  • Officers' eating and sleeping areas
  • Navigation room, containing the gyroscopic (gyro) compass

Roughly midships, just aft of the forward cabin, is the engine room, containing twin Detroit Diesel 6-71 series engines (totaling 320 horsepower), as well as a Yanmar diesel generator.

Abaft the engine room is the after cabin. Depending on the YAG, it may sleep up to fourteen people (twelve on 312), and contains the other head, and a small shower. Two layers of bunks run along the hull, with a table on the centreline. Right aft is tiller flats, containing the steering gear, a black water treatment system, engineering and general storage.

Above decks is 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 barbecue. Above the wheelhouse is an open bridge, fitted with chart table and a gyro compass repeater. A second gyro repeater is fitted on the quarterdeck. Each YAG is equipped with a small navigation radar, with the display located in the wheelhouse.

The washrooms 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.


The YAG 300 series have been replaced by the Patrol Class Training Tenders Orca-class training vessels as of fall 2008. The first tender, Orca, was launched August 9, 2006 at Victoria Shipyard in Esquimalt, British Columbia and was handed over to the Navy on November 17, 2006. All YAG boats were offered for sale by the Canadian Government in May 2011.[1]

List of YAG vessels based at CFB Esquimalt[edit]

Name Notes
306 Grizzly Name reused for Orca-class patrol vessel. Sold [2]
308 Wolf Name reused for Orca-class patrol vessel. Sold
312 Otter Sold
314 Caribou Name reused for Orca-class patrol vessel. Sold to and refurbished by G.W Kleaman Marine Services Ltd.[3]
319 Badger Sold
320 Lynx Sold, renamed RNOOKNOO[4]


  1. ^ Roberts, Tad. "Canadian Navy YAG's for sale". Low Tide Yacht Designer Tad Roberts' Web Log. Retrieved 10 July 2016.
  2. ^ "Grizzly". ShipSpotting.com. Retrieved 10 July 2016.
  3. ^ "Yachts & Character Vessels". G.W KLEAMAN MARINE SERVICES LTD. Retrieved 10 July 2016.
  4. ^ "RNOOKNOO". ShipSpotting.com. Retrieved 10 July 2016.

External links[edit]