JP 3-50 National Search and Rescue Manual Vol I - US Navy

TABLE 5-11a. Sweep Widths for Forward-Looking Airborne Radar
(AN/APS-127) {2}
Target Range Scale Search Altitudes Significant Sweep Width
Type (NM) (FT) Wave (FT) (NM)
6 to 10 10 500 to 4500 5 nil
24 to 43 10 500 to 1000 10* 3.1
1100 to 2400* 10 2.3
2500 to 5000 10* 1.5
6 to 10 20 500 to 4500 6* nil
24 to 30 20 500 to 4000 10* 2.4
31 to 43 20 500 to 4000 10* 3.5
*Values for this category were extrapolated from test data.
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