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Manufacturers Manuals and procedures for wave compensator
Date issue released
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

Issue number
MO-2010-004-SI-03
Transport Function
Marine: Other
Issue Owner
d-i Davit International
Mode of Transport
Marine
Issue Status Justification

Action taken by DI

Proactive action
Action number
MO-2010-004-NSA-025
Organisation
d-i Davit International
Action date
Action Status
Closed
Action description

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