Book of Remebrance has him listed as Army but he is RCAF.
Wilken, Cyril Douglas (Flying Officer)
Killed in Flying Accident 1951-December-19

Birth Date: 1924-November-06
Born: Stone, Saskatchewan
Parents: Son of Alfred and Ruth Wilken.
Spouse: Husband of Helga Emme (nee Rueckwald). Father of Judith Wilken. Brother of Roger, Della and Audrey.
Home: Stone, Saskatchewan
Enlistment:
Enlistment Date: 1943-July-05
Service
RCAF
Unit
6 RD- Repair Depot
"Nil Nobis Irreparabile" (Translation: Nothing Beyond Repair For Us")
Base
Rank
Flying Officer
Position
Pilot
Service Numbers
24948
Unit Desciption
6 RD "Nil Nobis Irreparabile" (Translation: Nothing Beyond Repair For Us") (6 Repair Depot)
RCAF.info - RCAF Station Trenton ON
NO6 Repair Depot Trenton