Lancaster II aircraft LL 686 QO-F crashed while returning to base on a training flight with engine problems and crashed lining up to land one mile south-east of Ripon, Yorkshire. Flying Officer D.S. Kerr, Pilot Officer(s) W.L. Wolf, P.J. Power, D.D. Finch (Nfld), J.G.Sieben, Sergeants K. Huggins (RAF), R Pratt Robinson, were killed. This was the last Lancaster II lost by 432 Squadron. Pilot Officer Power as a FS had bailed out of the first Lancaster II (DS 847) lost by the squadron November 16, 1943, also lost on a test flight.
Fifty years after the crash a memorial plaque was unveiled overlooking the village green at Aldborough, near Boroughbridge. The names of the crew are inscribed on this plaque. (Detail provided by David E. Thompson, Middlesborough, England.)