93 Halifaxes from 408, 420, 425, 426, 429, and 432 squadrons were ordered on an attack of the shipyards at Hamburg. The crews were over the target at between 15,000 and 20,000 feet, releasing 655,000 lbs of high explosives. According to reports the target was cloud covered and bombing was scattered.

F/O W. Tunis from 408 squadron landed at Carnaby on return due to low brake pressure.

P/O J. McKenzie from 415 squadron returned early as they could not raise the flaps or under carriage.
W/O1 A. McDiarmid, RCAF–POW and crew flying Halifax III NA-186, coded 6U-U, failed to return from this operation.

Sgt W. Gale, RAF–POW
F/Sgt W. Mracek, RCAF–POW
F/Sgt A. Hibben, RCAF–POW
F/Sgt F. Adams, RCAF–POW
F/Sgt N. Tonello, RCAF–POW
F/Sgt G. Roberts, RCAF–POW

P/O J. Bain from 432 squadron returned early. The port outer was u/s just after takeoff and 45 minutes later the stbd inner went u/s. They landed safely at Carnaby on 2 engines.
F/Sgt W. Gelineau had the port outer u/s on return. They landed safely at base on 3 engines.
W/Cdr K. France was hit by flak, the brakes were u/s. They landed safely at Carnaby on return.

19 Lancasters from 424, 429, and 433 squadrons were ordered on a mining operation to Heligoland. The crews were over the garden at 15,000 feet, releasing 48@1500 and 50@1850 lb mines.

F/O J.Fache from 424 squadron returned early as the navigation aids weren’t working.