PST Exit Exam • Set 9 Question 22 of 30
What visual signal is displayed on a ship's lifebuoy to indicate its location at night?
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Direct Answer
Option A: White self-igniting electric light capable of burning for at least 2 hours
SOLAS requires at least half of all lifebuoys to be fitted with automatic self-igniting white lights (>= 2 cd) operating for >= 2 hours.
All Options
A
White self-igniting electric light capable of burning for at least 2 hours
(Correct Answer)
B
Green flashing laser
C
Red strobe light burning for 10 minutes
D
Yellow acoustic buzzer
Detailed Explanation & Context
SOLAS requires at least half of all lifebuoys to be fitted with automatic self-igniting white lights (>= 2 cd) operating for >= 2 hours.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).
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