Date: 4th December 1944
Target: Heinbach River Dam
Crew: AE Johnson, GB Thomas, H Coulton, W McDonald for RM Jenkins, R Neale, DF Hadland, CA Butler
Take Off: 12.56 Landing: 17.19
35 Squadron ORB: 18 aircraft carried out a daylight attack in formation on the Urft river dam at Hainbach. 1 aircraft returned early owing to unserviceable aileron controls; the remainder attacked successfully and returned to base.
Aircraft used: 27 Lancasters and 3 Mosquitos of No 8 Group carried out the first of several raids on the large reservoir dam at Urft in the Eifel.
Losses: No aircraft were lost from this raid.
Summary: The destruction of which was required so that the Germans could not release water to flood areas through which American troops wished to advance. The series of raids did blast 13ft off the top of the dam but no large breach was ever made and the Germans were able to release large quantities of water whenever they wished to interfere with American advances being attempted further downstream.