Lysander Mk II P-1720 KJ-R was hit by ground fire outside St.Momelin, France during a Tactical Reconnaissance mission at low level, and crashed near Longuenesse, 5 km north of St. Omer, France.
Pilot, Flight Lieutenant W R Clapham MiD RAF(Canadian) and Air Gunner, Sergeant R E Brown RAF were killed.
The bodies of both Flight Lieutenant Clapham and Sergeant Brown were recovered and buried in a secret location by local residents, exhumed after the war and re-buried at Longuenesse (St Omer) Souvenir Cemetery, France
Detail from https://aviation-safety.net/wikibase/228426 Memorial at Royal Memorial Chapel, RMA Sandhurst, Camberley, Surrey Heath Borough, Surrey, UK.
