
A failure of the winch remote control and emergency stop during recovery of a rescue boat to the davit onboard has been recorded by IMCA in its regular publication of safety issues. Investigation revealed that the davit winch was being repeatedly switched on and off for very short time intervals, causing a burn out. The incident occurred on completion of rescue boat testing in good weather. The personnel in the small boat were disembarked at sea level and used a ladder to access the main deck.
The AB started recovery of the boat using a remote control. When close to the final stowage position, the remote control failed and the limit switch did not activate as designed. The main power supply switch was then operated to isolate the power supply to the winch. Continue reading “Failure of emergency stop on rescue boat davit winch alert”