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

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has an important safety message to transmit. In radiotelegraph transmission the urgency signal is a CW transmission of the characters XXX. In radiotelephone transmission it is the words, "Pan, Pan" spoken three times immediately before transmission. Units hearing the urgency signal should cease transmitting and listen for at least 3 minutes before resuming normal communications. D. Safety signals indicate that a calling station is about to transmit a message concerning safety of navigation or give important meteorological warnings. In radiotelephone transmission it is the spoken word "Securite" (pronounced say-cure-etay), transmitted three times immediately prior to transmission of the safety message. Units hearing the safety signal should listen and not interfere with the safety message. 313 Emergency Frequencies Several frequencies in different radio bands are assigned for distress, urgency, safety, or SAR signals and messages. SAR personnel should thoroughly understand the frequencies and their authorized use. The designated frequencies are: A. Emergency Communications Frequencies. The unit in distress, or a station that has been assigned controlling responsibility by the unit in distress, controls distress traffic. However, for cases involving international civil aviation, the station addressed by the distress message controls distress traffic. Once communications are established with a distressed unit, they should be maintained on the same frequency. The following frequencies have been assigned as distress or emergency frequencies: 1. 500 kHz - International CW/MCW distress and calling (Navy ships are no longer required to maintain a listening watch or log on this frequency). 2. 2182 kHz - International voice distress, safety, and calling. 3. 4125 kHz - International voice distress, safety, and calling (backup frequency not presently guarded by Coast Guard units). 4. 6215.5 kHz - International voice distress, safety, and calling (backup frequency not presently guarded by Coast Guard units). 5. 8364 kHz - International CW/MCW lifeboat, liferaft, and survival craft. 6. 121.5 MHz - International voice aeronautical emergency, ELTs and EPIRBs. 7. 156.8 MHz (channel 16) - VHF-FM international voice distress and international voice safety and calling, Class C EPIRBs (alternating 156.8 and 156.75 MHz). 8. 243.0 MHz - Joint/Combined military voice aeronautical emergency and international survival craft and ELTs and
EPIRBs. 9. 27.065 kHz (Citizens Band channel 9) - Monitored by many public service organizations and, to a limited extent, by Coast Guard shore stations. B. SAR Dedicated Frequencies. The following frequencies have been dedicated for SAR use: 1. 3023 kHz - International voice/CW SAR on scene. 2. 5680 kHz - International voice/CW SAR on scene. 3. 123.1 MHz - International voice SAR on scene. 4. 156.3 MHz (channel 6) - VHF-FM merchant ship and Coast Guard SAR on scene. 5. 282.8 MHz - Joint/Combined on scene and DF. 6. 40.5 MHz (FM) - United States Military Joint Common Frequency (previously Air Force distress frequency). 7. 8364 kHz - During Navy Maritime Patrol Aircraft (MPA) operations in support of fleet units, a listening watch, governed by NWP-19, should be maintained by supporting units or the "guard" ship. 314 IFF Equipment Identification Friend or Foe (IFF) equipment consists of a radar interrogator and a transponder. The interrogator, incorporated into an air search radar system, transmits an electronic challenge. Any transponder within range replies with a user-entered code and, in most transponders, altitude. Transponder replies may be detected at greater range than the radar return of the craft itself. The user can dial codes into the transponder to signal a message to the interrogator operator. Code 7700 indicates a distress, Code 7600 a communications 3-2
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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
Page 25 and 26: } Figure 1-2. United States Search
Page 27 and 28: Commander, 9th Coast Guard District
Page 29 and 30: 131 The SAR Coordinator SC | SMC |
Page 31 and 32: 1. The shore station nearest the re
Page 33 and 34: (3) Determine the mission-ready sta
Page 35 and 36: . A Wreckage Locator File with all
Page 37 and 38: directories, SMC planning and docum
Page 39 and 40: on scene conditions advising the SM
Page 41 and 42: lifeboats or liferafts, oil slicks,
Page 43 and 44: CHAPTER 2. SAR ORGANIZATIONS, AGENC
Page 45 and 46: Ship SAR Manual (MERSAR) contains p
Page 47 and 48: messages addressed to CIRM Roma. 2.
Page 49 and 50: for SAR. 1. National Oceanic and At
Page 51 and 52: snowmobiles, scuba teams, and track
Page 53 and 54: surface SRUs can arrive. a. SAR hel
Page 55 and 56: 3. Maneuverability is necessary for
Page 57 and 58: has an ailing seaman, and can rescu
Page 59 and 60: manning and configuration. Larger v
Page 61 and 62: physical training, skill in communi
Page 63 and 64: 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: other craft or radio stations: 1. A
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 and 116: the objective during their normal o
Page 117 and 118: effective search plan. The plan may
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
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the search object has, the greater
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B. Sea Current (SC) is the residual
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Figure 5-6A. Wind Current - North L
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large lake can vary with season, we
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5. Other on scene observations can
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520 SEARCH AREA Figure 5-8. Minimax
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Figure 5-9. Drift Error by Minimax
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DRe to determine SRU error (Y = Fix
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Figure 5-11. Search Areas - Moving
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E. When only a datum area exists, s
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SRUs are dispatched next. Supplemen
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B. POD can be increased by decreasi
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C. Visual sweep widths are determin
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TABLE 5-6. Visual Sweep Width Estim
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9. Fatigue. Degradation of detectio
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Table 5-8. Height of Eye vs. Horizo
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6. Sweep widths for Side-Looking Ai
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TABLE 5-11a. Sweep Widths for Forwa
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Sweep widths should be approximated
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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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JP 3-50 National Search and Rescue Manual Vol I - US Navy

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