Northrop Grumman Sperry Marine VisionMaster FT, User Manual

Page: 295 / 533

Radar/Chart Radar User Guide Routes
65900010 8-51
Search and Rescue
Search and Rescue (SAR) patterns are specialized routes that can be used
to patrol a given area.
The following SAR search patterns are supported (see descriptions and
figure below):

Parallel Line - formed from a series of parallel legs, moving out
from left or right of the initial heading.

Creeping Line - formed from a series of parallel lines at right
angles to the initial heading, placed forward in the same direction
as the initial heading.

Expanding Box - formed from a series of expanding squares
centred upon the start point of the search. The size of the square is
increased every four legs.

Sector Search - formed from a series of three equilateral triangles
centred on the initial start position of the pattern.