uncertificated 3rd mate
| Name | Tanker | Period | Details |
|---|---|---|---|
| Alan Hoare | TANEA (1) | 1969 | |
| Tony Mason | FRAGUM (2) | 1956 to 1957 | |
| Rodger Laycock | DORCASIA (1) | 1959 | |
| Bill Grant | FRAGUM (2) | 1955 | |
| Robert T. Dunbar | HYDATINA | 1971 to 1972 | |
| Peter M Morgan | HELISOMA | 1971 | |
| Peter M Morgan | VERTAGUS | 1972 | |
| Peter M Morgan | HYDATINA | 1971 | |
| Roy Robertson | ZAPHON (1) | 1973 | |
| Mike Hapgood 2 | ALINDA | 1978 to 1979 | |
| Terence John Hunter | AXINA | 1969 to 1970 | |
| Alan Knight | DONOVANIA (2) | 1969 to 1970 | |
| Peter Thomas | AMORIA (1) | 1971 |