Rank	Name	Date	Notes
Flt Lt	M R Atkinson	5 Aug 1940	Screened Staff, posted to No 12 Sqn, RAF Binbrook
Flt Lt	B F S Irwin	10 Aug 1940	Arrived on posting from No 10 OTU, RAF Abingdon for duty as Adjutant
Fg Off	W G Oldbury	11 Aug 1940	Arrived on posting from School of Air Navigation, RAF St Athan
Flt Lt	C K Turner	13 Aug 1940	Adjutant, posted to Officers' School, RAF Loughborough
Fg Off	H G Eggar	17 Aug 1940	Defence Officer, posted to No 18 OTU, RAF Hucknall
Plt Off	R Atkinson	21 Aug 1940	Posted to No 12 Sqn, RAF Eastchurch
Gp Capt	W H Dunn	23 Sep 1940	Relinquished command of No 12 OTU on posting to No 14 Group for duty as SASO
Gp Capt	G F Smylie	23 Sep 1940	Assumed command of No 12 OTU
Plt Off	W Makarewicz	26 Nov 1940	Killed in a flying accident
Plt Off	Gnaszaka	26 Nov 1940	Killed in a flying accident
Sgt	F Blyskal	26 Nov 1940	Killed in a flying accident

Source - No 12 OTU ORB (AIR 29/646)

Un-named Trainee Movements: Apr - Dec 1940

Date	Notes
April 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	65		63		0		70
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	18		15		0		0
May 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	44		73				83
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	71		34				92
June 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	92		71				63
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	38		58				42
July 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	23		39				77
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	60 (Wastage = 6, 3 killed)		61 (Wastage = 4, 2 killed)				49 (Wastage = 6, 2 killed)
August 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	48 (32 x Polish)		50 (35 x Polish)				45 (30 x Polish)
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	55 (Wastage = 2)		42 (Wastage = 1)				31 (Wastage = 5)
September 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	34 (21 x Polish)		22 (20 x Polish)				21 (18 x Polish)
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	27 (Wastage = 1)		54 (Wastage = 3)				54 (10 Poles found unfit for training)
October 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	9		11 (All Polish)				10 (All Polish)
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	9 (1 x Polish, 1 x Polish killed)		12				16 (Wastage = 1)
November 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	0		1 (Polish)				2 (1 x Polish)
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	11 (4 x Polish)		1				16 (8 x Polish)
December 1940	Pupil Intake:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	0		2		2
	Pupil Output:-
	Pilots		Observers		Wireless Operator/Air Gunners		Air Gunners*
	Officers	Airmen	Officers	Airmen	Officers	Airmen	Officers	Airmen
	59 (46 x Polish)		63 (59 x Polish)		58 (43 x Polish)

*The ORB does not differentiate between WOP/AGs and AGs so these totals probably include a mixture of both

Source - No 12 OTU ORB (AIR 29/646)

Organisational Movements: Apr - Dec 1940

Date	Notes
8 Apr 1940	Formed at RAF Benson from the SHQ, No 52 Sqn and No 63 Sqn, comprising HQ, Training and Maintenance Wings
19 Apr 1940	Personnel of No 207 from RAF Cranfield were absorbed on disbandment of the squadron
1 May 1940	The following executive posts were held: - Gp Capt W H Dunn - Officer Commanding Wg Cdr J N D Anderson - Officer Commanding, Training Wing Wg Cdr R D Starley - Officer Commanding, Maintenance Wing Sqn Ldr R Edwards - Officer Commanding, HQ Wing Flt Lt C K Turner - Adjutant Sqn Ldr G De L Harvie - Chief Ground Instructor
1 Dec 1940	No 12 OTU reduced from Medium Bomber OTU (Battles) to half Heavy Bomber OTU (Wellingtons)