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

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

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CS Creeping line 1 Distress generally known to<br />

single-unit be between two points.<br />

Wider than trackline<br />

patterns.<br />

CSC Creeping line 1 acft + Same as PS except<br />

single-unit 1 ship coordinated ship movement<br />

coordinated used to obtain greater<br />

navigational accuracy.<br />

SS Square 1 Distress Position known<br />

single-unit within close limits <strong>and</strong><br />

search area not extensive.<br />

SM Square multiunit 2 acft Same as SS except two SRUs<br />

fly at different altitudes<br />

on tracks which differ by<br />

45 degrees.<br />

VS Sector 1 Distress position known<br />

single-unit within close limits <strong>and</strong><br />

search area not extensive.<br />

VSR Sector 1 acft + Same as VS except ship<br />

single-unit 1 ship controls aircraft by radar.<br />

OS Contour 1 <strong>Search</strong> of mountainous/hilly<br />

single-unit terrain.<br />

OM Contour 2 or more <strong>Search</strong> of mountainous/hilly<br />

multiunit terrain by l<strong>and</strong> search teams.<br />

FS Flare 1 acft + Night visual search only.<br />

single-unit 1 ship or<br />

2 acft.<br />

FM Flare multiunit 1 acft Night visual search only.<br />

+ ships<br />

HSA Homing 1 Electronic homing-in use.<br />

single-unit aural<br />

HSM Homing 1 Electronic homing-in use.<br />

single-unit meter<br />

HMN Homing multiunit 2 or more Electronic positioning use.<br />

nonreturn<br />

B Cross-over 1 or more Used when target motion<br />

Barrier requires drift<br />

compensation.<br />

Figure 5-43. <strong>Search</strong> Pattern Summary<br />

5-43

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