Dutch Army Aviation Group Portugal Portuguese Air Force Sør-Afrika South African Air Force Rhodesia Southern Rhodesian Air Force - Kun et fly. Spania Spanish Air Force Straits Settlements Malayan Volunteer Air Force Storbritannia Royal Air Force - a number of former civil aircraft impressed into service as communications and liaison aircraft during the Second World War. Royal Navy - at least one former civil aircraft impressed into service. Jugoslavia Royal Yugoslav Air Force - Kun et fly.