Allied Warships

HMAS Colac (J 242)

Minesweeper of the Bathurst class

NavyThe Royal Australian Navy
PennantJ 242 
Built byMorts Dock & Enginering Co. Ltd. (Sydney, New South Wales, Australia) 
Ordered24 Sep 1940 
Laid down18 Apr 1941 
Launched30 Aug 1941 
Commissioned6 Jan 1942 
End service30 Sep 1983 

Decomissioned into Reserve at Sydney on 27 November 1945.
Recommissioned on 20 February 1951 for service as a training ship for National Service Trainees and Naval Reserve personnel.
Decommissioned into Reserve at Sydney on 30 January 1953.
Colac was taken in hand in 1962 for conversion to a tank cleaning vessel and she served as such untill 30 September 1983.
She was sunk by torpedo fired by the submarine HMAS Ovens off Jervis Bay on 4 March 1987, in position 34°49.2´ South, 151°32´ East.


Commands listed for HMAS Colac (J 242)

Please note that we're still working on this section.

1T/Lt.Cdr. Dudley Charles Northam, RANR(S)8 Dec 19412 Aug 1942
2Lt. William Slevin Reynolds, RANR3 Aug 194225 Oct 1942
3T/Lt.Cdr. Spence Bernard Komoll, RANR(S)26 Oct 19424 Jun 1943
4T/A/Lt.Cdr. Eric John Barron, RANR(S)5 Jun 194310 Jun 1943
5Lt. William George Whitting, DSC, RANR(S)11 Jun 1943Aug 1944
6Cdr. Alan Paterson Cousin, RANR(S)21 Dec 1943Jan 1944

7Lt. Kenneth James Hopper, RANR(S)18 Oct 194410 Oct 1945

You can help improve our commands section
Click here to Submit events/comments/updates for this vessel.
Please use this if you spot mistakes or want to improve this ships page.

Notable events involving Colac include:

9 May 1945
Around 1430K/9 the destroyer HMAS Arunta (Cdr. A.E. Buchanan, DSO, RAN) departed Manus followed around 1800K/9 by the light cruiser HMS Newfoundland (Capt. R.W. Ravenhill, CBE, DSC, RN).

Around 1700I/9, the light cruiser HMAS Hobart (Capt. R.S. Dowling, RAN) and the destroyer HMAS Warramunga (Cdr. M.J. Clark, DSC, RAN) departed Hollandia.

Both forces made rendezvous off Cape Wom around 0800K/10 and the 'Wewak support force' arrived off Wewak around 1300K/10.

After a preliminary run along the coast to search for the targets the sheduled bombardment commenced.

Around 1600K/10, the force retired to seaward for the night.

At 0630K/11, the 'Wewak support force' made rendezvous with the 'Wewak force' made up of the sloop HMAS Swan (Lt. W.J. Dovers, RAN) and minesweepers/corvettes Colac (Lt. K.J. Hopper, RANR(S)) and HMAS Dubbo (T/Lt. F.W. Roberts, RANR(S)) and the assault forces proceeded to their fire support areas. From 0730K/11, targets were successfully engaged to cover the assault on Red Beach. The bombardment was completed at 0840K/11.

After the landing the 'Wewak support force' retired to seaward.

Around 1230K/11, HMS Newfoundland obtained an A/S contact which was subsequently depth charged by HMAS Arunta. Both destroyers then continued to search the area during the afternoon but no further contact was obtained.

Around 1700 hours, HMAS Hobart and HMS Newfoundland carried out another bombardment after which the force was released and proceeded to Hollandia arriving there at 0700I/9. (1)


  1. ADM 53/121909 + Report from HMAS Hobart

ADM numbers indicate documents at the British National Archives at Kew, London.

Return to the Allied Warships section