No. 91 Group RAF
| No. 91 Group RAF No. 91 (Operational Training) Group No. 91 (Bomber OTU) Group | |
|---|---|
| Active | 11 May 1942 - 1 May 1947 |
| Country | United Kingdom |
| Branch | Royal Air Force |
| Type | Royal Air Force group |
| Role | Controlled Bomber OTU's |
| Part of | RAF Bomber Command |
| Last base | Morton Hall, Swinderby |
No. 91 Group RAF is a former Royal Air Force group.
The group was formed on 11 May 1942, at Abingdon as No. 91 (Operational Training) Group RAF in RAF Bomber Command, it was previously No. 6 Group RAF. Within a matter of weeks it was called upon to provide over 200 aircraft and crews for Operation Millenium, the first 1,000 bomber raid, launched against Cologne on the night of 30/31 May 1942.
On 14 April 1947, the Group moved to Morton Hall, Swinderby and was amalgamated with and renamed No. 21 Group RAF on 1 May 1947.