HMAS Diamantina (K377)

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For other ships of the same name, see HMAS Diamantina.
The former HMAS Diamantina (K377) in 2008
The former HMAS Diamantina (K377) in 2008
Career (Australia (RAN))
Namesake: Diamantina River
Builder: Walkers Ltd., Maryborough
Laid down: 12 April 1943
Launched: 6 April 1944
Commissioned: 27 April 1945
Recommissioned: 22 June 1959
Decommissioned: 21 February 1980
Motto: "Whoever Leads Protects"
Honours and
awards:
Battle honours:
Pacific 1945
Status: Preserved as a museum ship at Queensland Maritime Museum
Badge: HMAS diamantina crest.png
General characteristics
Class & type: River class frigate
Displacement: 1,420 long tons (1,440 t; 1,590 short tons)
2,020 long tons (2,050 t; 2,260 short tons) (deep load)
Length: 283 ft (86.3 m) p/p
301 ft 3 in (91.8 m) o/a
Beam: 36 ft 6 in (11.1 m)
Draught: 9 ft (2.7 m); 13 ft (4.0 m) (deep load)
Propulsion: 2 × Admiralty 3-drum boilers, 2 shafts, reciprocating vertical triple expansion, 5,500 ihp (4,100 kW)
Speed: 20 knots (37 km/h; 23 mph)
Range: 500 long tons (510 t; 560 short tons) oil fuel; 5,180 nautical miles (9,590 km; 5,960 mi) at 12 knots (22 km/h; 14 mph)
Complement: 140
Armament:

2 × QF 4-inch (101.6 mm) Mk.XVI guns, single mounts HA/LA Mk.XX
8 × QF 20 mm Oerlikon, single mounts Mk.III, later;

3 × QF 40 mm Bofors, single mounts Mk.VII
4 × QF 20 mm Oerlikon, twin mounts Mk.V

1 × Hedgehog 24 spigot A/S projector

up to 50 depth charges

HMAS Diamantina (K377/F377/A266/GOR266), named for the Diamantina River in Queensland, is a River class frigate that served the Royal Australian Navy (RAN). Constructed in the mid-1940s, Diamantina was active from 1945 until 1946, was placed in reserve, then was recommissioned as a survey ship from 1959 until 1980.

Following her second decommissioning, the frigate was preserved at the Queensland Maritime Museum as a museum ship. She was the last World War II-era frigate to leave RAN service, and of the 151 River class frigates constructed for 19 navies worldwide, Diamantina is the only one preserved as a museum ship.

Design and construction[edit]

Diamantina had a displacement of 2,120 tons fully loaded, or 1,420 standard displacement tons. She was equipped with two triple expansion engines driving twin screws at 5500 l.h.p. She had a range of 5,180 nautical miles (9,590 km; 5,960 mi) at 12 knots (22 km/h; 14 mph), with a top speed of 20 knots (37 km/h; 23 mph).

Diamantina was laid down on 12 April 1943 at Walkers Limited in Maryborough, Queensland. She was launched on 6 April 1944, and commissioned into the RAN at Hervey Bay, Queensland on 27 April 1945 carrying pennant number K377. She was named for the Diamantina River in Queensland, and was one of eight River Class frigates built for the RAN during World War II.

Operational history[edit]

1945-1946[edit]

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

The frigate carried Lieutenant General Kanda and Vice Admiral Baron Samejima, officers of the Japanese Imperial High Command to the surrender of Torokina on 8 September 1945. She was also involved in the surrenders of Nauru on 13 September and Ocean Island on 1 October; both ceremonies conducted on her quarterdeck.

The ship was awarded the battle honour "Pacific 1945" for her wartime service.[1]

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

1959-1980[edit]

Diamantina was recommissioned as an oceanographic survey ship on 22 June 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 20 August. On 20 September, the ship performed the first survey of the Montebello Islands following the British atomic test, Operation Hurricane. On 22 October, 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, Western Australia, Diamantina remained in service as an oceanographic vessel until 1980.

Decommissioning and preservation[edit]

Diamantina paid off from the RAN on 29 February 1980, and was the last World War II-era frigate to serve Australia. Diamantina was handed over to the Queensland Maritime Museum where she is permanently berthed in the dry dock located on the Brisbane River at South Brisbane.

Diamantina in 2006

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 adjacent to the Queensland Maritime Museum, where she is used as a self-touring museum ship.

During the 2010–2011 Queensland floods, the dry dock flooded.

References[edit]

  1. ^ "Royal Australian Navy Ship/Unit Battle Honours". Royal Australian Navy. 1 March 2010. Archived from the original on 14 June 2011. Retrieved 23 December 2012. 


Coordinates: 27°28′55″S 153°1′36″E / 27.48194°S 153.02667°E / -27.48194; 153.02667