19.07.2013 Views

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

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

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

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Table 5-7. Visual Sweep Width Estimates for Night Detection Aids<br />

Estimated<br />

Sweep<br />

Device Width (NM) SRU Type<br />

Strobe (2,000<br />

c<strong>and</strong>lepower peak) 0.5 Air or surface<br />

Cyalume personnel 1.0 Air or surface<br />

marker light<br />

Electric flashing SOS 3.0 Air or surface<br />

lantern or h<strong>and</strong><br />

flashlight<br />

Tracer bullets 4.0 Air or surface<br />

Red Very signals 8.0 Air or surface<br />

Aircraft marine markers 8.0 Air or surface<br />

Red pen gun flare 8.0 Air or surface<br />

Red meteor (star) or 10.0 or Air or surface<br />

parachute flare twice limit<br />

(10,000 c<strong>and</strong>lepower) of survivor/<br />

SRU visibility<br />

Table 5-7a. Visual Sweep Width Estimates for H<strong>and</strong> Held Red Flare (<strong>50</strong>0<br />

c<strong>and</strong>lepower) {1}<br />

Time on Task (hr)<br />

SRU Type < 3 þ 3<br />

Small boat (41' UTB) 10.7 10.2<br />

Vessel (90' WPB) 13.0 12.6<br />

Air* 15.4<br />

*Sweep width based on test results involving helicopters only.<br />

Table 5-7b. Visual Sweep Width Estimates for Life ring/Life jacket<br />

White Strobe (<strong>50</strong>,000 peak c<strong>and</strong>lepower) {1}<br />

Time on Task (hr)<br />

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!