HMAS
Air Master

Class
Air/Sea Search and Rescue Vessel
Type
Air-Sea Rescue Launch
Pennant
ASR 919
Builder
Fellows & Stewart Inc, USA
Commissioned
31 August 1944
Fate
Sunk as a target
Dimensions & Displacement
Displacement 24 tons
Length 63
Beam 15
Draught 3 ft 4 in (1.01m)
Performance
Speed Up to 28 knots
Complement
Crew 7-8 including 2 RAAF telegraphists
Propulsion
Machinery Twin Hall-Scott petrol engines
Horsepower 1,200 bhp
Armament
Guns 2 x twin Lewis guns

HMAS Air Master was one of 21 air/ sea rescue (ASR) vessels originally built in the USA and Canada between 1943 and 1945, and transferred to the RAN under their Lend-Lease Agreement. These vessels were originally designed as anti-submarine craft but their high speed and manoeuvrability made them ideal as search and rescue vessels. In this role, their hulls were painted black and their upper decks and superstructure painted bright yellow. One vessel, HMAS Air Sprite, was built locally in 1960 to an almost identical design.

Air Master was commissioned on 31 August 1944 in Sydney under the command of Skipper (later Sub-Lieutenant, RANVR) Norman Shield and officially listed as a tender to HMAS Rushcutter, and later to HMAS Madang. She remained alongside in Sydney preparing for sea until 10 January 1945 when she and her sister ship, HMAS Air Watch, were towed to Glebe Island and the following day lifted aboard the American liberty ship, SS Andrew T Huntington, for transport to New Guinea. Once lifted out of the water, the hulls of both boats were found to be in a filthy state with no slip having been available to clean them prior to transport. The two ships’ companies busied themselves with cleaning the boats’ hulls en route northwards.

Andrew T Huntington arrived at Langemak, New Guinea, on 20 January and the two boats were unloaded; Air Watch by the ship’s gear and Air Master by a floating crane. Both boats also suffered damage during the unloading; Air Watch lost a radar antenna while Air Master’s mast was smashed on the boom block of the ship’s gear. Repairs were undertaken at Langemak and both boats conducted engine trials between 24 and 30 January. The pair departed Langemak for Madang on 4 February.

Air Master conducted ASR duties at Madang through to May and occasionally provided medical transport and delivered stores to nearby Allied bases and outposts. She moved to Aitape for ASR duties on 10 May and then on to Morotai, Indonesia, under tow from MV Comara in tandem with HMAS Air Mist, later in the month, but bad luck continued to dog her. A defect in the port engine delayed her voyage to Aitape and once there, on 15 May, she struck an underwater object damaging the blades on her port propeller. Practice shoots often revealed problems with her Lewis guns, and she had been experiencing problems with her wireless radio equipment since arriving in New Guinea.

She arrived at Morotai on 3 June and commenced ASR duties but at the end of the month was once again re-allocated to Balikpapan. She departed Morotai on 28 June under tow from HMAS Cootamundra, in tandem with HMAS Air Mist, and arrived at Balikpapan on 3 July. She was employed primarily as a medical transport until 15 July when she re-commenced normal ASR duties. Her bad luck continued when she struck a submerged cable on 9 July damaging her port rudder. It was replaced that evening.

Air Master underway in northern waters
Air Master underway in northern waters

Air Master’s return to Australia began on 22 November being taken in tow that afternoon by HMAS Inverell in tandem with HMAS Air Mist. They arrived in Brisbane on 14 December where HMAS Geraldton took up the tow. On 18 December Air Mist’s tow parted and she drifted away in a northerly direction. Attempts to resume the tow were unsuccessful and Air Mist was abandoned as she drifted dangerously close to rocks off Morna Point, Air Master taking off her crew. Air Master continued under her own power from Newcastle, escorted by HMAS Junee, and arrived in Sydney on 23 December.

HMAS Air Master underway and dressed with masthead ensign in Sydney Harbour.
HMAS Air Master underway, dressed with masthead ensign, Sydney Harbour, 1953. The bow of Air Mercy can be seen in the foreground.

After undergoing a refit she proceeded northwards to Darwin under tow of HMAS Condamine and later HMAS Barwon in tandem with HMAS Air Clan. The voyage proved a difficult one as the tow parted several times in heavy weather and the two ASRs also collided several times. However, Air Master, Air Clan and Barwon all arrived safely in Darwin on 17 April 1946. On 20 May Air Master proceeded to West Point Beach to recover the body of a deceased sailor who had drowned after his dinghy had capsized.

On 18 August she embarked the Governor-General, His Royal Highness, Prince Henry, the Duke of Gloucester, and his royal party for a circuit of Darwin Harbour with HMAS Air Cloud in company. Three days later she undertook a medical transport for a civilian from Cape Don Darwin.

On 5 September, Air Master and Air Cloud conducted a search and rescue operation for the survivors of a RAAF Douglas C47 aircraft which had crashed off East Point during a test flight. Air Cloud rescued two survivors while a civil aviation control launch rescued three others, later transferring them to Air Master for passage back to Darwin.

Apart from these occasional excursions, however, she was infrequently employed at Darwin and she subsequently returned to Sydney where she decommissioned on 20 February 1947.

She recommissioned on 20 May 1949 as a search and rescue vessel operating between Sydney and Jervis Bay and paid off again into dockyard control on 3 November 1953. She recommissioned yet again on 23 February 1954 and remained listed as a search and rescue vessel until 1963. She was sunk as a target, testing the effectiveness of the Seacat missile against small, fast targets, in 1968.

Air Master undergoing maitnenance on the slip at HMAS Creswell, Jervis Bay.
Air Master undergoing maitnenance on the slip at HMAS Creswell, Jervis Bay.
Air Master in boat compound, HMAS Creswell, Jervis Bay (John Jeremy Collection)
Air Master in boat compound, HMAS Creswell, Jervis Bay (John Jeremy Collection).
Both Air Trail and Air Master were rigged as target vessels for Sea Cat missile trials at the end of their useful life. It is unclear which of the two vessels appear in this picture which depicts the trial undertaken in March 1965 with HMAS Yarra.
Both Air Trail and Air Master were rigged as target vessels for Sea Cat missile trials at the end of their useful life. It is unclear which of the two vessels appear in this picture which depicts the trial undertaken in March 1965 with HMAS Yarra.

A general arrangement plan of the Air class search & rescue vessels