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Manufacturers Manuals and procedures for wave compensator

Issue number: MO-2010-004-SI-03
Who it affects: All owners operators and managers of ships equipped with Davit International fast rescue craft
Issue owner: d-i Davit International
Operation affected: Marine: Other
Background: Investigation Report 275-MO-2010-004
Date: 27 July 2011

Safety issue description

Davit International’s fast rescue boat davit manual did not provide sufficient guidance for the crew in the operation of the wave compensator and its safety interlock

Proactive Action

Action organisation: d-i Davit International
Action number: MO-2010-004-NSA-025
Date: 27 July 2011
Action status: Closed

The ATSB has been advised that Davit International submitted the complete instruction manual to Lloyd’s Register and as such it is approved. The manual consists of 86 pages and correct use of the wave compensation is mentioned on manual pages: 11, 13, 20 and 35. The limit switch its number/marking/function/diagram is mentioned on pages: 25, 52, 64 and 70.

However, Davit International has reviewed the manual and will put on pages 10, 11, and 12 of instruction manual the additional sentence:

  • Use wave compensation only with survival craft waterborne 
  • Davit International will send the revised pages of the manual to ship-owners with the same or similar wave compensation safety interlock systems.

ATSB response:

The ATSB is satisfied that the action proposed by Davit International adequately addresses the safety issue

   
Current issue status: Adequately addressed
Status justification:

Action taken by DI

 
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Last update 06 March 2014