6 Bomber Group March 12/13, 1943
23 Halifaxes from 405, 408, and 419 Squadrons were joined by 87 Wellingtons from 420, 424, 425, 426, 427, 428, 429, and 431 Squadrons on an attack at Essen. The crews were over the target from between 16,000 to 19,000 feet, releasing 232,000 lbs of high explosives and 156,000 lbs of incendiaries. According to reports, the target was well hit, with the Krupps complex being damaged. Richard Koval (6bombergroup.ca)
425 Alouette Squadron ((Je te plumerai) RAF Dishforth.
Wellington III aircraft BK 340 KW-T was shot down by a night fighter during an operation to bomb the Krupps Works factories in Essen, Germany. The bomber crashed at Westfriese Dijk, Aartswoud, Noord-Holland with the entire crew surviving and were taken prisoner.
Multiple sources credit the claim for this bomber loss to Leutnant Oscar Kostler of 10/NJG1 but there is also a claim from Feldwebel Hienz Vinke of 11/NJG1 for this same aircraft
Warrant Officer 1st Class Marie Joseph Alfred Jean Aumond (RCAF), Warrant Officer 1st Class Adrien Walter Brown (RCAF), Flight Sergeant Joseph Adrian Vincent Gauthier (RCAF), Sergeant Joseph Georges Gilles Claude Lamontagne (RCAF) and Warrant Officer 1st Class Joseph Arthur Roland Goulet (RCAF) all survived and were taken as Prisoners of War.
Warrant Officer 1st Class Aumond and Sergeant Goulet were both severely wounded and both were repatriated early, Aumond in October 1943 and Goulet in February 1945
Nachtjagd Combat Archive 1 January - 22 June, 1943 Part 1 by Theo Boiten, page 45
Royal Air Force Serial and Image Database
12/13 March 1943 425 Squadron Wellington III BK340 Sergeant Lamontagne