Commissioned on 15 Oct 81 after 2 goes at RAF Cranwell. Finally got through on 54 IOTC.
I'm pretty sure 54 IOTC was earlier than 1981 - I was on in 105 in 1987 and a friend at university was on 97 in 1985. That tallies with 4 course per year, but 54 IOTC in 1981 does not.......