PSCRB Exit Exam • Set 6 Question 3 of 30

What item inside a survival craft equipment kit is used to signal distress by flashing reflected sunlight?

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Direct Answer

Option A: Signaling mirror (Heliograph) with central sighting hole

The heliograph incorporates a central sight hole and retro-reflective rear surface allowing precise aiming of sun flashes at target vessels/aircraft.

All Options

Signaling mirror (Heliograph) with central sighting hole (Correct Answer)

Magnifying glass

Prism binocular

Plastic lens cover

Detailed Explanation & Context

The heliograph incorporates a central sight hole and retro-reflective rear surface allowing precise aiming of sun flashes at target vessels/aircraft.

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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More Questions in PSCRB Set 6

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Q1 What type of engine is mandatory for fast rescue boats requiring speeds of 20+ knots? Q2 What precaution must be taken when towing an inflatable life raft behind a motor rescue boat? Q3 What item inside a survival craft equipment kit is used to signal distress by flashing reflected sunlight? Q4 What requirement applies to the painter line of a lifeboat when stowed on davits? Q5 What is the function of the hydrostatic release unit (HRU) test pin / indicator? Q6 What safety equipment must be worn by all crew members during lifeboat launching drills? Q7 What is the primary action to stabilize a person rescued from cold water who is suffering from mild hypothermia? Q8 What is the function of the drain valve (auto-drain valve) fitted in the bottom of a lifeboat hull? Q9 What capsize recovery system is fitted to rigid rescue boats? Q10 What is the function of the emergency tiller supplied with a lifeboat?