Took off from Honington at 08:55 in Wellington Mk Ia (Sqn code WS-H Bomber Command) on an operation to Heligoland Germany.
Squadron Leader Guthrie led his squadron of Wellingtons on the attack but the weather cleared and they were spotted by the enemy.
6 Squadrons of German aircraft attacked and shot down 12 of the 22 Allied aircraft taking part in the operation.
Killed: Flying Officer John Thomas Irvine ChaIles RAF 39041 Canadian KIA Runnymede Memorial Panel 1. Pilot Officer Alistair Hugh Richmond Bourne RAF KIA Runnymede Memorial Panel 1. LAC Gurth Ernest Cox RAF KIA Runnymede Memorial Panel 2. Sergeant Thomas Henry English RAF KIA Runnymede Memorial Panel 1. Sergeant Frank Michael Mason RAF KIA Runnymede Memorial Panel 2. AC1 Alexander Telfer RAF KIA Runnymede Memorial Panel 3.
