PSCRB Exit Exam • Set 5 Question 13 of 30
Under what condition is the 'On-Load' emergency release mechanism of a lifeboat used?
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Direct Answer
Option A: When lifeboat is still suspended above water or in heavy sea waves where off-load release will not operate
On-load release permits emergency hook release while weight is on falls (e.g., vessel towing at speed or rough waves preventing zero-load state); requires breaking safety glass/pin.
All Options
A
When lifeboat is still suspended above water or in heavy sea waves where off-load release will not operate
(Correct Answer)
B
During routine monthly dry deck testing
C
When boat is stowed in davit arm locks
D
Only when engine is turned off
Detailed Explanation & Context
On-load release permits emergency hook release while weight is on falls (e.g., vessel towing at speed or rough waves preventing zero-load state); requires breaking safety glass/pin.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Proficiency in Survival Craft and Rescue Boats (PSCRB).
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