Tan'erliq

Tan'erliq (pronounced tun-ul-lik)^[3] is a ship escort, rescue and oil response oceangoing tugboat operated by Crowley Maritime and stationed in Prince William Sound, Alaska. In addition to Tan'erliq, her sister ship Nanuq is also stationed in Valdez, Alaska.

Tan'erliq

Tan'erliq at Anacortes, Washington, 2019
History
Namesake	Alutiiq word for black bear
Owner	Vessel Management Services Inc.[1]
Operator	Crowley Maritime
Ordered	1999 (built)[1]
Builder	Dakota Creek Industries, Anacortes, Washington[1]
Yard number	34
Identification	IMO number: 9178381
General characteristics
Tonnage	484 GT,[1] 329 NT[1]
Length	139.7 ft (42.6 m)[1]
Beam	48 ft (15 m)[1]
Draft	20 ft (6.1 m)[1]
Installed power	2 × Caterpillar 3612 engines[1] 10,192 hp (7,600 kW)[2]
Propulsion	Voith-Schneider Cycloidal[2]
Speed	14.5 kn (26.9 km/h; 16.7 mph)[1]

These two vessels, in addition to a dozen other units, escort and protect the waters of Prince William Sound, site of the Exxon Valdez-oil spill in 1989.