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Davit failures - DEV imca
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Davit failures

What happened?

A member reports two recent issues relating to the davits of small boats:

  • During routine inspection of the rescue boat equipment and davit swing, it was noted that the davit would not swing out. This was due to a malfunctioning hydraulic pump not building up pressure;
  • During a weekly technical inspection of lifeboats and davits, a delay in response of the aft davit was noticed whilst swinging in the starboard lifeboat to the stowed position. After a few unsuccessful attempts, the hydraulic accumulator valve of the forward davit was changed over to ‘evacuation mode’ in order to direct hydraulic oil to the hydraulic cylinder of the aft davit only.  After that, the aft and forward davits came back to the stowed position at the same time.

What went wrong?

  • In both cases equipment failure.
  • The faults were observed in routine planned inspections of the equipment, which emphasises the importance of conducting inspections and planned maintenance.

Members may wish to refer to:

Safety Event

Published: 4 September 2019
Download: IMCA SF 21/19

IMCA Safety Flashes
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IMCA Safety Flashes summarise key safety matters and incidents, allowing lessons to be more easily learnt for the benefit of all. The effectiveness of the IMCA Safety Flash system depends on Members sharing information and so avoiding repeat incidents. Please consider adding safetyreports@imca-int.com to your internal distribution list for safety alerts or manually submitting information on incidents you consider may be relevant. All information is anonymised or sanitised, as appropriate.

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