| Master/Captain - MT | Chief engineer – C/E |
| Chief Officer – C/O | 2nd engineer - 2/E |
| 2nd Officer – 2/O | 3rd engineer - 3/E |
| 3rd officer - 3/O | 4th engineer - 4/E |
| Bosun - BN | No.1 Oiler - No.1 |
| Fitter | Wiper |
| AB (Senior) - Able Body Seaman | Engine Cadet - E/C |
| AB (Junior) | Electric Engineer – E/E |
| Ordinary seaman - OS | Chief Cook - C/K |
| Deck and Cadet - DC | Mass Man - M/M |