Marine safety investigations & reports

Foundering of the M.V. Lady Ann off Exmouth, Western Australia

Investigation number:
Status: Completed
Investigation completed


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At 0500 on 18 September 1982, the offshore supply vessel lady Ann was manoeuvring close alongside the drilling ship Regional Endeavour, off the Exmouth Gulf, WA, in order to transfer a mooring wire. Regional Endeavour was also under way, making good a speed of about 21/2 knots.

Suddenly, Lady Ann sheered towards Regional Endeavour and, despite the efforts of the Master, came in contact with the drilling ship. As a result, Lady Ann received a 60mm gash in the shell plating, below the engine room floor plates.

The Master decide to try and beach the vessel near to Exmouth, but the pumps were unable to cope with the inflow of water so, at 0630, the crew was taken off by Lady Sally.

Lady Ann sank at 0925.

Download Final Report
[Download  PDF: 127KB]
General details
Date: 19 September 1982   Investigation status: Completed  
Location: NW Australia    
State: Western Australia    
Release date: 01 October 1982    
Report status: Final   Highest injury level: None  

Vessel details

Vessel details
Vessel Lady Ann  
Flag Aus  
IMO 315398  
Type of operation Self-propelled drillship  
Damage to vessel Minor  
Last update 18 May 2016