| 299-MO-2013-005 | Crew member fatality on board the bulk carrier Nireas while at anchor off Gladstone, Queensland on 20 March 2013 | 20 Mar 2013 | Pending | N/A |
| 291-MO-2011-011 | Fatality while storing the products tanker British Beech in Brisbane, Queensland on 15 December 2011 | 15 Dec 2011 | Final | 07 Mar 2013 |
| 298-MO-2013-004 | Cargo shift on board the general cargo ship Mellum Trader off Broome, WA on 26 February 2013 | 26 Feb 2013 | Pending | N/A |
| 286-MO-2011-005 | Capsize of the Australian registered tug Adonis at Gladstone, Qld, 11 June 2011 | 11 Jun 2011 | Final | 08 Feb 2013 |
| 297-MO-2013-003 | Crew member fatality on board the Cayman Islands registered private motor yacht Calliope in Sydney, NSW, on 08 February 2013 | 08 Feb 2013 | Pending | N/A |
| 290-MO-2011-010 | Man overboard fatality from the container ship MSC Siena, off Fremantle, WA on 17 November 2011 | 17 Nov 2011 | Final | 05 Feb 2013 |
| 282-MI-2010-011 | Safety issue investigation into Queensland Coastal Pilotage | 16 Dec 2010 | Final | 24 Oct 2012 |
| 283-MO-2011-001 | Thermal oil heater explosion on board the products tanker Qian Chi at Brisbane, Queensland 16 January 2011 | 16 Jan 2011 | Final | 05 Oct 2012 |
| ME-2012-011 | Technical assistance to the Indonesian NTSC in the analysis of voyage data recorder (VDR) data from the MT Norgas Cathinka, following collision with ferry Bahuga Jaya, 26 September 2012 | 26 Sep 2012 | Pending | N/A |
| 296-MO-2012-010 | Stevedore fatality on board the general cargo ship Weaver Arrow at Newcastle, New South Wales, 23 September 2012 | 23 Sep 2012 | Pending | N/A |
| 279-MO-2010-008 | Collision between the Liberian registered bulk carrier Grand Rodosi and the Australian registered fishing vessel Apollo S in Port Lincoln, SA on 8 October 2010 | 08 Oct 2010 | Final | 13 Sep 2012 |
| 285-MO-2011-004 | Grounding of the Panama registered bulk carrier Dumun at Gladstone, Queensland, on 29 April 2011 | 29 Apr 2011 | Final | 30 Jul 2012 |
| ME-2012-009 | Technical assistance to the Office of Transport Safety Investigation (NSW) in the analysis of positional information - close quarters event off Bradley Head, Sydney Harbour NSW, 25 July 2012 | 25 Jul 2012 | Pending | N/A |
| 293-MO-2012-002 | Cargo hold fire on board BBC Baltic at Port Hedland, Western Australia, 26 January 2012 | 26 Jan 2012 | Final | 28 Jun 2012 |
| 295-MO-2012-006 | Collision between the bulk carrier Furness Melbourne and the private yacht Riga II | 26 May 2012 | Pending | N/A |
| 294-MO-2012-005 | Main engine beakdown and disabling of the Hong Kong registered bulk carrier ID Integrity in the Coral Sea, off Queensland on 17 May 2012 | 17 May 2012 | Pending | N/A |
| 288-MO-2011-007 | Independent investigation into the serious crew member injury on board the Panamanian registered bulk carrier Universal Gloria, at sea off Eden, NSW on 11 October 2011 | 11 Oct 2011 | Final | 05 Apr 2012 |
| 289-MO-2011-009 | Steering gear breakdown on board the New Zealand registered tug Tuahine off Queensland, on 31 October 2011 | 31 Oct 2011 | Final | 13 Mar 2012 |
| 292-MO-2012-001 | Independent investigation into the Panamanian registered general cargo ship Tycoon contacting the shore at Christmas Island on 8 January 2012 | 08 Jan 2012 | Preliminary | 02 Feb 2012 |
| MT-2012-003 | PNG assistance - Investigation into the foundering of the Papua New Guinea registered passenger ferry Rabaul Queen, northeast of Finschhafen, Papua New Guinea on 2 February 2012 | 02 Feb 2012 | Final | N/A |