Search for a registered ship on the Australian General and International Shipping Registers.
Find a vessel by searching a ship's:
- name
- IMO number - a permanent number given to specific types of vessels by the International Maritime Organization (IMO)
- official number - the 6-digit number issued by the Shipping Registration Office to Australian registered ships.
To see ownership, caveats and other details, request a full certified extract of Register.
Note: Ship names marked with an asterisk (*) are registered on Australian International Shipping Register. Ship names without an asterisk are registered on the Australian General Shipping Register.
Download the complete list of registered ships.
Last updated: 20 October 2026
| Ship name Sort descending | Official number | IMO number | Length (metres) | Year of Completion | Home port |
|---|---|---|---|---|---|
| ONINE | 863795 | 14.75 | 2007 | Sydney | |
| ONTOS | 853559 | 10.02 | 1988 | Port Adelaide | |
| ONYX | 863546 | 17.3 | 2016 | Townsville | |
| OO-WAH | 863581 | 13.18 | 1970 | Sydney | |
| OOBY DOOBY | 861665 | 13.61 | 2006 | Melbourne | |
| OOMU | 858553 | 13.29 | 2007 | Fremantle | |
| OONAH | 851699 | 8.85 | 1978 | Geelong | |
| OPAL OF QUEENSLAND | 862617 | 15.85 | 1990 | Bundaberg | |
| OPAL SHELL | 355553 | 16.76 | 1974 | Fremantle | |
| OPAL STAR | 396289 | 17.06 | 1981 | Melbourne | |
| OPALESENCE | 862588 | 15.85 | 1987 | Rosslyn Bay | |
| OPPORTUNITY | 862773 | 12 | 1980 | Melbourne | |
| OPTIMUS | 856080 | 11.95 | 1998 | Cairns | |
| OPTIMYSTIC | 864323 | 13.99 | 2021 | Southport | |
| OPUS | 861162 | 12 | 1980 | Brisbane | |
| ORACLE | 859375 | 21.88 | 1999 | Fremantle | |
| ORANI | 316019 | 12.56 | 1964 | Fremantle | |
| ORCA | 858376 | 10.67 | 1983 | Sydney | |
| ORCA 4 | 863635 | 14.98 | 2017 | Jervis Bay | |
| ORCHID | 859385 | 11.61 | 2003 | Brisbane |