? Warrant Officer
19 januari 1942: Pilot Officer on Probation (emergency)
1 oktober 1942: Flying Officer on Probation (war sub)
14 november 1943: Flight Lieutenant (war sub)
28 februari 1946: Appointment to commission as Flight Lieutenant (extended service)
1 augustus 1947: Squadron Leader
21 december 1948: Permanent Commission as Squadron Leader
21 februari 1958: retirement
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