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

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500 Search Planning 501 Overview 502 Methods 510 Datum 511 Initial Position 512 Computation of Datum 513 Aerospace Drift 514 Maritime Drift 515 Enclosed and Coastal Waters 516 Minimax Solution 520 Search Area 521 Total Probable Error 522 Search Radius 523 Search Area Development 524 Repeated Expansion Concept 530 Search Plan Variables 531 Number of SRUs 532 Search Time Available 533 SRU Ground Speed 534 Track Spacing 535 Sweep Width 536 Coverage Factor 537 Probability of Detection 540 Search Area and SRU Assignment 541 Allocating Effort 542 Partitioning the Search Area 543 Assigning SRUs to Search Areas 550 Search Pattern Selection 551 Factors in Selection 552 Search Pattern Nomenclature 553 Search Pattern Designation 554 Search of Pattern Summary CHAPTER 5. SEARCH PLANNING 560 Planning of On Scene Coordination 561 OSC Designation 562 ATC Coordination 563 Reports 564 Search Action Plan 570 Search Planning Forms 500 SEARCH PLANNING Search planning is necessary when the location of a distress is not known, or significant time has passed since the search object's position was last known. The SMC is responsible for developing and updating an
effective search plan. The plan may involve a single SRU or many SRUs searching for several days. 501 Overview A. Search planning consists of determining datum (the most probable location of the search object, corrected for drift) and search area, developing an attainable search plan, selecting search patterns, planning on scene coordination, transmitting the search plan to OSC/SRUs, and reviewing the search plan. Many factors influence the movement of the search object. The SMC judges the impact of these factors to determine the region to search and methods to use, evaluates the number and capabilities of available SRUs, and determines whether compromise between search area size and search effectiveness is necessary. The methods described in this chapter are based on historical information and mathematical theory, and represent generally accepted techniques for search planning. Though effective tools, they do not in themselves guarantee success; that depends on planner ability and judgment, and SRU effectiveness. B. For inland cases, search area is normally dependent on the environment. Natural boundaries, injuries, and other hard-to-quantify factors affecting movement are important in search area decisions. The experience and judgment of the SMC is a key factor. For a more detailed discussion, refer to Chapter 8. 502 Methods A. Methods used in search planning depend on incident complexity and available planning capabilities. For complex incidents, sophisticated computer programs can aid in data analysis, and are preferred if initial information is incomplete or conflicting, many variables exist, or searching continues for more than one day. For less complex cases, or if computer aids are not available, a manual method can be used. B. All search planning methods use the same types of information. The manual method is presented in detail in this chapter to show the planning process. Volume II contains manual method work forms, with examples. The computations require knowledge of vectors and simple algebra. A scientific-function electronic calculator is helpful. 5-1
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JOINT PUB 3-50 NATIONAL SEARCH AND
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e. Update of information and graph
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PREFACE Volume I: National Search a
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. Joint Pub 3-50.1/COMDTINST M16120
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ABBREVIATIONS/ACRONYMS A Search Are
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COSPAS Cosmicheskaya Sistyema Poisk
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FIS Flight Information Service FIXe
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MAC Military Airlift Command MARAD
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PMC Parallel Multiunit Circle PMN P
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TFR Temporary Flight Restriction TL
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CHAPTER 1. SAR SYSTEM AND ORGANIZAT
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consolidates the information needed
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} Figure 1-2. United States Search
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Commander, 9th Coast Guard District
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131 The SAR Coordinator SC | SMC |
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1. The shore station nearest the re
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(3) Determine the mission-ready sta
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. A Wreckage Locator File with all
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directories, SMC planning and docum
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on scene conditions advising the SM
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lifeboats or liferafts, oil slicks,
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CHAPTER 2. SAR ORGANIZATIONS, AGENC
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Ship SAR Manual (MERSAR) contains p
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messages addressed to CIRM Roma. 2.
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for SAR. 1. National Oceanic and At
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snowmobiles, scuba teams, and track
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surface SRUs can arrive. a. SAR hel
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3. Maneuverability is necessary for
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has an ailing seaman, and can rescu
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manning and configuration. Larger v
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physical training, skill in communi
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special qualifications desirable in
Page 65 and 66: Overseas Region the Alaskan CAP Win
Page 67 and 68: platform. Also of use for SAR are c
Page 69 and 70: 3130.16 series. The SMC should de-a
Page 71 and 72: continental U.S. and at offshore lo
Page 73 and 74: the potential for recording data wi
Page 75 and 76: other craft or radio stations: 1. A
Page 77 and 78: EPIRBs. 9. 27.065 kHz (Citizens Ban
Page 79 and 80: vessels) will be required to carry
Page 81 and 82: . Non-compliance with FCC Rules and
Page 83 and 84: 9. SART. 10. MF DSC, used to initia
Page 85 and 86: 4. FAA Domestic Teletype Networks,
Page 87 and 88: 3023 kHz (USB), 123.1 MHz, and 282.
Page 89 and 90: 3. 2638 kHz, all areas. 4. 2738 kHz
Page 91 and 92: SRUs and agencies. A search action
Page 93 and 94: 2. Rescue Area f. SRUs on scene a.
Page 95 and 96: extended time, a Notice to Mariners
Page 97 and 98: The receiving and recording of info
Page 99 and 100: case. The SMC is often automaticall
Page 101 and 102: any source. b. There is suspicion t
Page 103 and 104: The craft's float or flight plan is
Page 105 and 106: Figure 4-1. Water Chill Without Ant
Page 107 and 108: s Figure 4-2. Wind Chill Graph - Eq
Page 109 and 110: 445 Weather A. Weather may limit SA
Page 111 and 112: 451 Uncertainty Phase An Emergency
Page 113 and 114: 471 PRECOM A. PRECOM search contact
Page 115: the objective during their normal o
Page 119 and 120: D. Other SAR planning models, such
Page 121 and 122: 1. The aircraft glide area shown in
Page 123 and 124: Figure 5-3. Vector Plots of Surface
Page 125 and 126: TABLE 5-1. Parachute Drift Distance
Page 127 and 128: the search object has, the greater
Page 129 and 130: B. Sea Current (SC) is the residual
Page 131 and 132: Figure 5-6A. Wind Current - North L
Page 133 and 134: large lake can vary with season, we
Page 135 and 136: 5. Other on scene observations can
Page 137 and 138: 520 SEARCH AREA Figure 5-8. Minimax
Page 139 and 140: Figure 5-9. Drift Error by Minimax
Page 141 and 142: DRe to determine SRU error (Y = Fix
Page 143 and 144: Figure 5-11. Search Areas - Moving
Page 145 and 146: E. When only a datum area exists, s
Page 147 and 148: SRUs are dispatched next. Supplemen
Page 149 and 150: B. POD can be increased by decreasi
Page 151 and 152: C. Visual sweep widths are determin
Page 153 and 154: TABLE 5-6. Visual Sweep Width Estim
Page 155 and 156: 9. Fatigue. Degradation of detectio
Page 157 and 158: Table 5-8. Height of Eye vs. Horizo
Page 159 and 160: 6. Sweep widths for Side-Looking Ai
Page 161 and 162: TABLE 5-11a. Sweep Widths for Forwa
Page 163 and 164: Sweep widths should be approximated
Page 165 and 166: TABLE 5-14. Environmental Limitatio
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Figure 5-19. Maritime Probability o
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again, unless it is determined furt
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c. This track spacing may exceed th
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a. E-7 corners 23 15N 74 35W to 23
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E. Orienting Search Areas Search pa
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Figure 5-21. Typical Assignments fo
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The major pattern characteristic is
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Figure 5-26. Figure 5-27. 3. Parall
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Figure 5-31. Figure 5-32. D. Creepi
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area, they must fly their individua
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for large objects in well-defined s
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I. Homing Patterns (H) are used to
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completed, the initial area, not th
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Pattern Name SRU required Remarks T
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560 PLANNING OF ON SCENE COORDINATI
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NOTAM for non-SAR aircraft to remai
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described as previously discussed,
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procedures for aircraft SRUs should
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1. Where sea current, tidal current
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eturn to base. E. Continuous attent
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to minimize clutter. While this is
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642 Aircraft Search A. Overwater Se
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one leg to the next without the nee
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everses course. The course on which
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645 Scanning Figure 6-5. Search for
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Figure 6-6. Marine SRU Crossleg Fig
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a. The effects of time on task vary
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Figure 6-9. Range Estimation 6-12
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5. Scanners forced to look into the
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645 Search Target This effect can b
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Figure 6-12. Effects of Altitude on
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Figure 6-16. Factors in Radar Detec
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C. Multisensor search is either mul
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Figure 6-18. INS Pattern for Reloca
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1. Initial sighting--Drop smoke and
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altitude to make the sighting repor
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lue and white checkered flag), or s
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Rescue planning involves dispatchin
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pararescue teams can place medicall
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Speed and ability to sustain surviv
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1. Sustaining life. Immediately upo
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other factors affecting rescue. 742
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Figure 7-2. Helicopter Racetrack Es
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2. Rations packs - concentrated or
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753 Rescue by Ship diverting or dis
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than 6 feet (2 meters) apart, inter
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800 General 810 Aircraft Searches 8
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TABLE 8-1. Inland Probability of De
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strength of the wind and steepness
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the area of greatest turbulence, an
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823 Air/Ground Coordination An SMC,
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2. A team leader is responsible for
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Figure 8-4. PM Search Pattern for L
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the track spacing would be 100 feet
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1. Scale 1:24,000 is the best for l
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Figure 8-6. Ground Search Area Plot
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unlaundered carefully preserved sce
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5. As indicated previously, it is i
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debriefing, transport to a delivery
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complete mental collapse due to the
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medical training, qualifications, a
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1000 General 1010 Mission Suspensio
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accept that the search cannot conti
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used for statistical analysis, syst
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Each RCC maintains a chronological
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aircraft that they are near the sce
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(day or night), date, search area a
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1200 General 1210 Domestic Framewor
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G. 46 USC 2304 requires a master or
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differing requirements of each coun
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RCC, which will plan the search and
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commander and the Department of Sta
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1240 PRIVATE PROPERTY 1241 Entering
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CHAPTER 13. SAR MISSION PUBLIC RELA
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equests for information, and use ne
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1323 News and Photograph Pool A new
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GLOSSARY A-probability: Percentage
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Awareness Range: Distance at which
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3. Ratio of sweep width to track sp
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Recorded data is retained for 15 da
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Inadvertent Alarm Rate: Ratio of in
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Military Assistance to Safety and T
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Probability of Detection (POD): The
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Search Action Plan: Message, normal
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SRU Error (Y): Search craft error b
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composed of significant assigned co
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Hydrographic Office. H.O. Pub 100.
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Emergency Response Institute. Helic
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University of Hawaii. Studies on Hu
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List of Ship Stations. Geneva, Swit
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1. POLICY APPENDIX A. NATIONAL SEAR
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use of wire and radio facilities fo
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Area for the advantageous execution
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maintain liaison with and support e
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Figure A-1. United States Search an
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air SAR units, and provide guidance
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far as possible, afford adequate me
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which shall act in close and contin
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established by the Convention on In
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December 12, 1986 Agreement Concern
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outstretched to each side. j. Inver
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Black or white smoke bursts, 10 sec
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Figure C-2. Surface-Air Visual Sign
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Figure C-5. Panel Signals C-5
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to the 26-foot sailboat row to obta
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straightaway length (x) of the cros
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These patterns are variations of th
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c. In the CSR pattern, the actual c
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adjacent to it, are the following:
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d. If the shaded portions of Figure
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3. Relative motion pattern solution
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through the tail of the ship's vect
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Request the aircraft to report amou
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information, TACAN/DME ranging disp
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APPENDIX F. TEMPORARY FLIGHT RESTRI
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4. Normally, incidents in an aircra
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LIST OF EFFECTIVE PAGES Subject Mat
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