| Regn |
Old |
Country |
|
|
| Prefix |
Prefix |
Name |
Period |
Remarks |
| G-1- | | Armstrong-Whitworth | 1948-1967 | |
| G-1- | | Rolls-Royce (Bristol Engines) | 1949- | |
| G-2- | | Blackburn | 1949- | |
| G-3- | | Boulton Paul | 1948-1973 | |
| G-4- | | Portsmouth Aviation | 1948-1949 | |
| G-4- | | Miles Aviation and Transport | 1969- | |
| G-5- | | De Havilland | 1948- | |
| G-6- | | Fairey | 1948-1969 | |
| G-7- | | Slingsby Sailplanes | 1971- | |
| G-7- | | Gloster | 1948-1961 | |
| G-8- | | Handley Page | 1948-1970 | |
| G-9- | | Hawker Aircraft | 1948- | |
| G-10- | | Reid and Sigrist Ltd. | 1948-1953 | |
| G-11- | | A.V. Roe and Company | 1948- | |
| G-12- | | Saunders Roe Ltd. | 1948-1967 | |
| G-13- | | Not allocated | | |
| G-14- | | Short Brothers | 1948- | |
| G-15- | | Supermarine | 1948-1968 | |
| G-16- | | Vickers (Aviation) | 1948- | |
| G-17- | | Westland Aircraft | 1948- | |
| G-18- | | Bristol Aeroplance Company | 1948-1975 | |
| G-19- | | Heston Aircraft Ltd. | 1948-1960 | |
| G-20- | | General Aircraft Ltd. | 1948-1949 | |
| G-21- | | Phillips and Powis (Miles) | 1948-1963 | |
| G-22- | | Airspeed Ltd. | 1948-1952 | |
| G-23- | | Percival Aircraft | 1948-1966 | |
| G-24- | | Cunliffe Owen Aircraft | 1948-1949 | |
| G-25- | | Auster Aircraft | 1948-1962 | |
| G-26- | | Slingsby Sailplanes | 1948-1949 | |
| G-27- | | English Electric | 1948- | |
| G-28- | | BEA Helicopter Unit | 1948- | |
| G-29- | | D Napier and Son Ltd. | 1948-1962 | |
| G-30- | | Pest Control Ltd. | 1952-1957 | |
| G-31- | | Scottish Aviation Ltd. | 1948- | |
| G-32- | | Cierva Autogiro Company | 1948-1951 | |
| G-33- | | Flight Refueling | 1948-1972 | |
| G-34- | | Chrislea Aircraft Ltd. | 1948-1952 | |
| G-35- | | F.G. Miles Ltd. / Beagle Aircraft | 1951-1970 | |
| G-36- | | College of Aeronautics | 1954- | |
| G-37- | | Rolls-Royce | 1954-1971 | |
| G-38- | | D.H. Propellors Ltd. | 1954-1975 | |
| G-39- | | Folland Aircraft Company | 1954-1965 | |
| G-40- | | Wiltshire School of Flying | | not taken up |
| G-41- | | Aviation Traders | 1956-1876 | |
| G-42- | | Armstrong Siddeley Motors Ltd. | 1956-1959 | |
| G-43- | | Edgar Percival Ltd. | 1956-1959 | |
| G-44- | | Agricultural Aviation Ltd. | 1959-1959 | |
| G-45- | | Bristol Siddeley Engines Ltd. | 1959-1969 | |
| G-46- | | Saunders Roe Ltd. (Helicopter Division) | 1959-1962 | |
| G-47- | | Lancashire Aircraft Company | 1960 | |
| G-48- | | Westland Aircraft Ltd. (Bristol Division) | 1960-1969 | |
| G-49- | | F.G. Miles Engineering | 1965-1969 | |
| G-50- | | Alvis Ltd. | 1967-1975 | |
| G-51- | | Britten-Norman Ltd. | 1967- | |
| G-52- | | Marshall of Cambridge Ltd. | 1968- | |
| G-53- | | NDN Aircraft | 1977- | |