|No. 73 Squadron RAAF|
A No. 73 Squadron Anson at Nowra in 1944
|Branch||Royal Australian Air Force|
|Engagements||World War II|
No. 73 Squadron was a Royal Australian Air Force (RAAF) maritime patrol squadron of World War II. It was formed in July 1942 and conducted patrols off the east coast of Australia until July 1944. The squadron was disbanded in September 1944.
No. 73 Squadron was formed at Cootamundra, New South Wales on 1 July 1942 from personnel loaned by No. 1 Air Observers School. The squadron's formation was part of the RAAF's response to Japanese submarine attacks on shipping off Australia during mid-1942, and it was equipped with Avro Anson training aircraft. While it was recognised that the Ansons lacked sufficient range and payload to be effective in the anti-submarine role, superior aircraft were not available. The squadron conducted training in the Cootamundra and Wagga Wagga areas during July and early August.
The squadron moved to RAAF Base Nowra in September and began flying operational patrols. It was allocated twelve Ansons in October, which were split equally between its two flights. 'A' Flight's six aircraft were based at Nowra and 'B' Flight was stationed at RAAF Base Richmond. 'B' Flight moved to Camden on 2 November 1942 and a 'C' Flight with four Ansons was briefly formed at Coffs Harbour, New South Wales from 10 July to 11 August 1943. The personnel loaned from No. 1 Air Observers School were replaced in January 1943.
No. 73 Squadron conducted anti-submarine and convoy escort patrols off the Australian east coast for most of its existence. These were normally uneventful, and no submarines were sighted. Six aircraft were lost in flying accidents, however. The squadron's aircraft had their gun turrets removed and Air-to-Surface Vessel (ASV) radar installed during 1943, and it was equipped with 13 ASV Ansons at the end of January 1944.
In November 1943 the RAAF began to reduce its anti-submarine effort as no Japanese submarine attacks had been made in Australian waters since the middle of the year. The RAAF ceased flying anti-submarine escort patrols south of the 24th parallel from February 1944, which somewhat eased No. 73 Squadron's workload. The squadron was notified on 24 July that it was to be disbanded as part of a further reduction in the RAAF's anti-submarine forces, and flying ceased that day. The unit was formally disbanded on 9 September 1944.
- RAAF Historical Section (1995), p. 90
- Wilson (1992), p. 48
- RAAF Historical Section (1995), pp. 90–91
- Barr, Joe (2009). "ADF Aircraft Serial Numbers RAAF A4 Avro Anson". ADF Serials. http://www.adf-serials.com/2a4.shtml. Retrieved 14 November 2009.
- RAAF Historical Section (1995), p. 91
- Odgers (1968), pp. 156–157
- Odgers (1968), p. 349
- Eather, Steve (1995). Flying Squadrons of the Australian Defence Force. Weston Creek: Aerospace Publications. ISBN 1-875671-15-3.
- Odgers, George (1968 (reprint)). Air War Against Japan 1943–1945. Australia in the War of 1939–1945. Series 3 – Air. Canberra: Australian War Memorial. http://www.awm.gov.au/histories/second_world_war/volume.asp?levelID=67913.
- RAAF Historical Section (1995). Units of the Royal Australian Air Force. A Concise History. Volume 4 Maritime and Transport Units. Canberra: Australian Government Publishing Service. ISBN 0-644-42796-5.
- "No 73 Squadron". Royal Australian Air Force Museum. http://www.airforce.gov.au/RAAFMuseum/research/units/73sqn.htm. Retrieved 3 November 2009.
- Wilson, Stewart (1992). Anson, Hundson & Sunderland in Australian Service. Weston Creek: Aerospace Publications. ISBN 1-875671-02-1.
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