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  HMAS Diamantina (K377)
River class frigate

1,839 Tons
283' x 36.5' x 9'
2 x x 4" guns
8 x 20mm
3 x 40mm Bofors
4 x 20mm twin mounts
1 x Hedgehog 24 spigot A/S projector
up to 50 depth charges
Click For Enlargement
RAN 1945

Ship History
Laid down April 12, 1943 at Walkers Ltd., in Maryborough, Queensland. Launched on April 6, 1944, and commissioned into the RAN at Hervey Bay, Queensland on April 27, 1945.

Wartime History
Diamantina provided fire support to the Australian Army operating in Bougainville during July and August 1945.

The frigate carried Lieutenant General Kanda and Vice Admiral Baron Samejima, plus officers of the Japanese Imperial High Command to the surrender of Bougainville at Torokina on September 8, 1945. This ship served as the surrender site for Japanese forces on Nauru on September 13 and Ocean Island on October 1; with ceremonies conducted on her quarterdeck.

Diamantina returned to Sydney Harbor, arriving at Garden Island on 13 December 1945 with 86 passengers embarked. The ship remained in Sydney until February 1 , 1946, when she departed for a patrol in New Guinea waters. Diamantina returned to Sydney on 14 June, and was put into reserve on August 9, 1946.

Recommissioned as an oceanographic survey ship on June 22, 1959. She carried the pennant numbers F377, A266, and GOR266 at various points throughout this period of her career. After successfully completing her first oceanographic survey in July, she embarked on her first oceanographic cruise on August 20. On September 20, the ship performed the first survey of the Montebello Islands following the British atomic test, "Operation Hurricane". On October 22, Diamantina carried out the first survey of the waters around Christmas Island.

Diamantina’s most notable achievement during her second commission was the discovery of the deepest known part of the Indian Ocean on 7 February 1960, which was named Diamantina Deep after the ship. Based in Fremantle, Diamantina remained in service as an oceanographic vessel until 1980. Diamantina was paid off from the RAN on February 29, 1980, and was the last World War II-era frigate to serve Australia.

HMAS Diamantina permanently berthed in the drydock located on the Brisbane River at South Brisbane and is part of the Queensland Maritime Museum. In March 2006, Diamantina was towed out into the river to allow repairs to the dock, which had been flooded since the seals failed in 1998. As of July 2006, she has been returned to the dry dock, where she is used as a self-touring museum ship.

RAN HMAS Diamantina (K377)
Historic Naval Ship Log - HMAS Diamantina (K377)

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Last Updated
August 18, 2018



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