PSCRB Exit Exam • Set 4 Question 29 of 30
What minimum search pattern is recommended for a single rescue boat searching for a casualty in open water with known datum?
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Direct Answer
Option A: Expanding Square Search or Sector Search
According to IAMSAR principles, when a datum is established and the search area is compact, an expanding square search or sector search is the most effective pattern for a single rescue boat to locate a target efficiently.
All Options
A
Expanding Square Search or Sector Search
(Correct Answer)
B
Random zigzag track
C
Circular orbit at 20 knots
D
Straight line away from datum
Detailed Explanation & Context
According to IAMSAR principles, when a datum is established and the search area is compact, an expanding square search or sector search is the most effective pattern for a single rescue boat to locate a target efficiently.
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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