PST Exit Exam • Set 7 Question 1 of 30

What is the purpose of the hydrostatic interlock in the keel of an enclosed lifeboat?

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Direct Answer

Option C: It prevents release of the hooks until the keel of the boat is fully under water

The hydrostatic interlock is a critical safety mechanism designed to prevent the accidental release of lifeboat hooks while the craft is still suspended in the davits; it only allows release once the buoyancy of the water triggers the mechanism.

All Options

It automatically pumps out the bilges

It stabilizes the boat's rolling

It prevents release of the hooks until the keel of the boat is fully under water (Correct Answer)

It prevents the engine from starting out of the water

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).

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More Questions in PST Set 7

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Q1 What is the purpose of the hydrostatic interlock in the keel of an enclosed lifeboat? Q2 Steering a motor lifeboat broadside (parallel) to heavy waves and sea could cause it to: Q3 With the water sprinkler system and the air system turned on and all hatches shut, an enclosed survival craft will provide protection from: Q4 Which data is NOT painted on the bow of a lifeboat? Q5 Every lifeboat requires to be launched into the water and maneuvered at least once in every: Q6 The mandatory distress pyrotechnics required to be kept inside a lifeboat container are: Q7 When a rescue vessel approaches a lifeboat in heavy seas, the person in charge of the lifeboat should: Q8 Which of the following survival equipment items is considered consumable? Q9 Which will be the worst of emergencies that you would face if it happens at sea? Q10 A life jacket has which of the following mandatory safety attachments on it?