Search Planning Basics Flashcards
1
Q
Datum
A
Expected location of a search object at any given position
- Position, line, or area
2
Q
Initial Position
A
Establish Position (GNSS, radar, visual fix, DR, area)
3
Q
Initial Position Area
A
Estimated probable error of the initial position based on available information.
4
Q
Distress Position Determination
A
Environmental Data
Total Water Current and Leeway are expressed as vectors
5
Q
What comprises Total Water Current?
A
Tidal Current (3NM) Wind Current Other Current (Lakes, Ocean, River)
6
Q
Leeway
A
Movement of a search object caused by the wind
7
Q
Leeway Divergence
A
Divergence of an object off the downwind direction due to asymmetry.
8
Q
Drift
A
Estimated as the vector sum of the total water current and leeway
