The Squadron formed part of the 20th Carrier Air Group embarked on HMAS Sydney.

[3] 805 Squadron reformed at Nowra on 31 March 1958, equipped with de Havilland Sea Venom FAW.53 all weather night fighters.

[3][4] On 28 February 2001, 805 Squadron was reformed, equipped with Kaman SH-2G(A) Super Seasprite helicopters to be operated from the new Anzac-class frigates.

The Squadron completed First of Class Flight Trials aboard HMAS Parramatta, but did not reach operational status due to difficulties with integrating the helicopters' avionic systems.

[5] Following technical problems with the new helicopter, the squadron was relegated to minimal duties in 2005, grounded in 2006, and faced possible scrapping in early 2007.