EFTS may mean Electronic funds transfer Systems - systems used in banking industry to transfer money
450th Expeditionary Flying Training Squadron (450 EFTS), a provisional United States Air Force unit assigned to the 322d Air Expeditionary Group
Rated above average as a pilot, he then served as an instructor at No 31 EFTS at De Winton.
Austin was made a sergeant at Cambridge and was then posted to RAF Filton just north of Bristol, along with the other soldiers whose surnames began with A, B, or C to Training Wing Number 2 EFTS (Elementary Flying Training School) – a grass aerodrome that was – like much of the airforce at that time – short of aircraft.
Schools located here were No. 10 Elementary Flying Training School (No. 10 EFTS), which flew De Havilland Tiger Moth and Fleet Finch aircraft, and No. 33 Air Navigation School (No. 33 ANS), which flew the Avro Anson.