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
make flying more dangerous. 811 Grid Searches To promote uniformity, and to maximize effectiveness of SRUs, the Civil Air Patrol (CAP) has established a complete nationwide system of sequentially numbered square search grids. These grids are 15 minutes of latitude by 15 minutes of longitude. Complete information may be found in VOL. II, Appendix D. 812 Inland Probability of Detection Tables A. The following inland POD tables used by the CAP and Air Force assume a crash location is more difficult to see in heavy terrain, and the search object is relatively small, such as a light aircraft. B. Single Search POD. PODs in Table 8-1 should be adjusted for each search object and for conditions encountered in individual search areas. C. Cumulative POD. POD will increase if the same area is searched more than once. Table 8-2 allows for calculation of cumulative POD. The table is entered with cumulative POD to date and POD of the latest search. The intersection of the two PODs gives the new cumulative POD. D. Considerations when estimating POD include: 1. Ability to maintain optimum altitude and airspeed. 2. Visibility and weather conditions. 3. Nature of terrain. 4. Accuracy of navigation. 5. Size and characteristics of search object. 6. Search crew fatigue. 8-1
TABLE 8-1. Inland Probability of Detection: Single Search TABLE 8-2. Inland Probability of Detection: Cumulative 8-2
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TABLE 8-1. Inl<strong>and</strong> Probability of Detection: Single <strong>Search</strong><br />
TABLE 8-2. Inl<strong>and</strong> Probability of Detection: Cumulative<br />
8-2