I have produced Google Earth images identifying the approximation of the crash of the Stirling Bomber W7539, near Piriac, Brittany. Also the exact locations of the graves of four of the crew who perished. One, Sgt J Tait (Observer), in Penestin civilian cemetery and three Sgt S H Green (Air Gunner), Sgt P Harrison (Air Gunner) and Sgt R Woollard (Observer)
They may well have been on a mission to bomb the German Submarine Pens at St Nazaire.