What is a hydrostatic release unit ?
Direct Answer
Option C: A unit which automatically releases a life raft at a depth of approx 4 metres
SOLAS Chapter III requires hydrostatic release units to automatically activate and release stowed life rafts when submerged to a shallow depth of approximately 1.5 to 4 meters, allowing the raft to float free and inflate as the vessel sinks.
All Options
Detailed Explanation & Context
SOLAS Chapter III requires hydrostatic release units to automatically activate and release stowed life rafts when submerged to a shallow depth of approximately 1.5 to 4 meters, allowing the raft to float free and inflate as the vessel sinks.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Personal Survival Techniques (RPST).
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