4 EFTS) was a Royal Australian Air Force (RAAF) pilot training unit that operated during World War II.

[1][2] The EFTS provided a twelve-week introductory flying course to personnel who had graduated from one of the RAAF's initial training schools.

Those that passed this grading process then received a further eight weeks of training (including sixty-five hours of flying) at the EFTS.

Pilots who successfully completed this course were posted to an SFTS in either Australia or Canada for the next stage of their instruction as military aviators.

[6][7] It was the airfield's position as the hub of civilian flight instruction in New South Wales that led to it becoming the base for the fourth flying school the RAAF raised during World War II.

[4] All air cadets were subject to RAAF discipline, and the school's training program was directed by the commanding officer.

[9][10] The government's contracts with the civilian organisations for flying instruction at Mascot and Newcastle were terminated during August 1940, and their aircraft—fifteen Tiger Moths and eight Gipsy Moths—were impressed by the RAAF.

[11] On 18 November, an instructor was killed when he fell into a Randwick street from a Tiger Moth performing a slow roll after his safety harness broke; neither he nor his student, who though badly shaken was able to land the plane, were wearing parachutes.

[16][17] Owing to urgent requirements to house elements of the United States Army Forces in Australia (USAFIA), No.

4 EFTS's graduates included Clive Caldwell, who became Australia's top-scoring fighter ace of World War II.