CFAV Glenbrook (YTB 643)

CFAV Glenbrook (YTB 643) is a Glen-class naval tugboat operated by the Royal Canadian Navy. Built at Georgetown Shipyard, Georgetown, Prince Edward Island, and launched in 1976, the ship was delivered on 16 December 1976. Attached to Maritime Forces Atlantic, the ship is based at CFB Halifax.^[1]

History
Canada
Name	Glenbrook
Builder	Georgetown Shipyard, Georgetown, Prince Edward Island
Launched	1976
Acquired	16 December 1976
Homeport	CFB Halifax
Identification	MMSI number: 316015715 Callsign: CGRH
Status	in active service
General characteristics
Class & type	Glen-class tugboat
Displacement	250 long tons (254 t)
Length	28.95 m (95 ft 0 in)
Beam	9.29 m (30 ft 6 in)
Draught	4.4 m (14 ft 5 in)
Propulsion	2 × Ruston-Paxman diesel engines, 1,800 hp (1,342 kW) 2 × Voith Schneider cycloidal propellers
Speed	11 knots (20 km/h; 13 mph)
Complement	6–10
Notes	Bollard pull : 19 tons