Coast Guard Test Coast Guard Search and Rescue 3

Question 1

In SAR planning, what does 'datum' refer to?

Accepted Answer

The most probable location of the search object

Answer

Datum is the estimated most probable position of the search object, used to define the search area.

Question 2

What term describes the drift of a survivor caused by wind and current?

Accepted Answer

Leeway and drift

Answer

Leeway (wind effect) and current drift move a survivor from the last known position over time.

Question 3

Which search pattern is a series of parallel tracks covering a rectangular area?

Accepted Answer

Parallel track (creeping line) search

Answer

The parallel track search sweeps evenly spaced legs across a rectangular area for uniform coverage.

Question 4

The expanding square search pattern is best used when the datum is what?

Accepted Answer

Well-defined and small

Answer

The expanding square works best for a small, well-known datum where the object is likely nearby.

Question 5

What is 'probability of detection' (POD) in a SAR search?

Accepted Answer

The likelihood of finding the object if it is in the searched area

Answer

POD estimates how likely searchers are to detect the object given the area was searched.

Coast Guard Practice Test