Fish-class torpedo recovery vessel

The class was ordered in 1969 as replacements for World War II-era torpedo recovery vessels.

[2] Propulsion machinery consisted of three GM V8 diesels, which supplied 890 horsepower (660 kW) to the three propeller shafts.

[1] On entering service, TRV 253 was assigned to the target range at Jervis Bay, while the other two vessels were attached to HMAS Waterhen in Sydney.

[1] In addition to torpedo recovery, the boats were used as dive tenders and as training vessels for the Royal Australian Naval Reserve.

[4] As part of the company's role in providing maritime support for the RAN, the vessels were assigned to various bases: Tuna to nearby HMAS Creswell, Trevally remaining at Waterhen, while Tailor sailed to HMAS Stirling in Western Australia.