93 Halifaxes from 408, 415, 420, 425, 426, 429, and 432 Squadrons were joined by 99 Lancasters from 419, 424, 427, 428, 431, 433, and 434 Squadrons on an attack at Dortmund. The crews were over the target at between 16,000 and 18,000 feet, releasing 1,866,000 lbs of high explosives. According to reports, bombing was accurate and severe damage was caused.

F/O G. Hyland from 415 Squadron was hit by flak, there were holes in the fuselage and the Flt Engineer was wounded in the face. They landed at Brussels, Belgium to get medical help for their wounded crewmember.

F/O H. Cowan from 424 Squadron had the port outer go u/s shortly after takeoff. They were able to climb to 14,500 feet and bomb the target. They landed safely at Manston on 3 engines.

F/O J. Evans from 425 Squadron returned early as the port inner was u/s. They landed safely at base on 3 engines.

F/Lt A. Googe from 428 Squadron comments on 30 Halifaxes that cut across their track over Reading.