Low Level Bombsight, Mark III use in October 1942. Coastal Command had priority on deliveries and only small numbers reached Bomber Command. The first examples arrived in May 1943 and were fit to Douglas Boston bombers of 2 Group. In 1944 the sight was trialled on the Avro Lancasters of No. 617 Squadron RAF, the Dambusters, who carried out a single low-level attack with them in late 1944. Most examples sent to Bomber Command equipped a small number of De Havilland Mosquito aircraft in No. 627 Squadron RAF (who normally operated as pathfinders) and No. 8 Group RAF (Pathfinder Force). The sight remained with Coastal
No. 1426 Flight RAF No. 1426 Flight RAF No. 1426 (Enemy Aircraft) Flight RAF, nicknamed "the Rafwaffe", was a Royal Air Force flight formed during the Second World War to evaluate captured enemy aircraft and demonstrate their characteristics to other Allied units. Several aircraft on charge with the RAE Farnborough section were also used by this unit. The RAE facilities at Farnborough were utilised for the flight testing of German and Italian aircraft during the war. Many crash-landed airframes were brought to Farnborough for examination, testing and cannibalisation of spare parts to keep other aircraft in serviceable condition. The main flight testing work was