Sar operation , various search patterns ?

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FOLLOW

SEARCH PATTERNS
1.SECTOR SEARCH - DATUM PRECISELY KNOWN AND SMALL AREA ( S IS 2 TO 5 MILES , CHANGE OF COURSE 120DEG)
2.EXPANDING SQUARE SEARCH - DATUM KNOWN RELATIVELY CLOSE N SMALL AREA ( FIRST LEG - INTO THE WIND, NEXT SEARCH- TURN 45DEG )
3.TRACK LINE SEARCH - INTENDED TRACK OF THE CRAFT KNOWN AND LARGE AREA
4.PARALLEL SWEEP SEARCH.- VERY LARGE AREA DIVIDED INTO SUB AREAS FOR SEARCHING
5.CREEPING LINE SEARCH -
6.CO ORDIANTED CREEPING LINE SEARCH- SHIP AND AIRCRAFT TOGEDR..