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Life jacket failures - DEV imca
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Life jacket failures

IMCA’s attention has been drawn to a number of cases of life jacket failure. In recent months a contractor found that at least seven life jackets had failed for the same reason. Some of these jackets failed on their first annual test and inspection. The failure was due to a hole in the bladder and the hole is in the same place in each case.

The manufacturer informed their buyer that the damage was due to pressure applied to the front of the jacket when in use. This was causing the folded bladder to press up against the ‘Hammar’ automatic inflation device within the jacket, which in turn was causing damage to the bladder. The manufacturer is now fitting rubber covers to the automatic inflation device.

Location of damage to bladder
Location of damage to bladder
Hammar device without rubber cap
Hammar device without rubber cap
With new rubber cap fitted
With new rubber cap fitted

Members are encouraged to carry out a spot check and close examination of all life jackets fitted with automatic inflation devices and assess if any damage is occurring.

Consideration may be given to returning the jackets to a service station and requesting the rubber cap be fitted in addition to a service which includes an inflation test.

Safety Event

Published: 16 May 2016
Download: IMCA SF 13/16

IMCA Safety Flashes
Submit a Report

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.

IMCA’s store terms and conditions (https://www.imca-int.com/legal-notices/terms/) apply to all downloads from IMCA’s website, including this document.

IMCA makes every effort to ensure the accuracy and reliability of the data contained in the documents it publishes, but IMCA shall not be liable for any guidance and/or recommendation and/or statement herein contained. The information contained in this document does not fulfil or replace any individual’s or Member's legal, regulatory or other duties or obligations in respect of their operations. Individuals and Members remain solely responsible for the safe, lawful and proper conduct of their operations.