No. 3 (Coastal) Operational Training Unit RAF

No. 3 (Coastal) Operational Training Unit
Ensign of the Royal Air Force
Active	1940-1944
Country	United Kingdom
Branch	Royal Air Force
Role	Training
Part of	No. 17 Group RAF?
Aircraft flown
Bomber	Bristol Beaufort Vickers Wellington Armstrong Whitworth Whitley
Trainer	Avro Anson

No. 3 (Coastal) Operational Training Unit RAF (3 OTU) was a training unit of Royal Air Force Coastal Command, operating from 27 November 1940 and disbanding 4 January 1944, being absorbed into No. 6 OTU.

The unit formed at RAF Chivenor training crews for various aircraft including Bristol Beauforts, Avro Ansons, Vickers Wellingtons and Armstrong Whitworth Whitleys. On 29 July 1941 the Whitleys and Wellingtons moved to RAF Cranwell and the Beaufort section became No. 5 Operational Training Unit RAF (5 OTU) when it re-formed at Chivenor on 1 August 1941. 3 OTU then moved to RAF Haverfordwest in Pembrokeshire where it was disbanded on 4 January 1944 and absorbed into No. 6 Operational Training Unit RAF (6 OTU).

The main airfield for the unit was RAF Chivenor however a number of different airfields were also used.