Used to search a large area when survivor's location is uncertain. | |
May be used with single or multiple vessels. | |
Commence search point (CSP) is one of the corners of the search area. | |
CSP may be a corner of a sub area if a large area is to search. | |
It is ½ track space inside the rectangle from each of the two sides forming the rectangle. | |
Orientation is generally in the estimated direction of drift of the search object. |