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

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TABLE E-1. Correction to Course Table Degrees of turn for Distance off Course (miles) TAS110 TAS120 TAS130 TAS140 TAS150 0.25 ................. 24 23 22 21 20 0.50 ................. 42 40 38 36 34 0.75 ................. 56 52 50 47 44 1.00 ................. 68 64 61 57 55 1.25 ................. 78 74 71 67 65 1.50 ................. 86 82 79 76 73 prescribed in the "Correction to Course Table," and immediately reverses the turning direction to return to the searchleg heading. All aircraft correction turns are standard rate turns. The aircraft should be instructed to visually correct as necessary in order to pass over the ship on each inbound leg. d. When the aircraft arrives where it should begin the turn onto the crossleg, the controller directs the pilot to turn. The aircraft turn point is short of the end of the searchleg by a distance of one-half its turn diameter, usually 15 seconds of flight time. The air controller must allow for the lag between the turn command and the actual turn, so most controllers mark the relative plot and true plot with TTT marks at a distance equal to one-half TD + 0.3 mile from the end of the searchleg. No position or off course advisories are passed to the aircraft while it is executing its crossleg. e. If during the search the aircraft repeatedly drifts off the search course in the same direction, the wind at search altitude is different from that used to originally compute the aircraft headings. A more accurate wind should be estimated from the plot fixes, or obtained from the aircraft, and the aircraft headings replotted. The correct heading advisory is passed to the pilot. f. If the aircraft breaks off the search to investigate a sighting, it is advised that the vessel will hold relative position in the pattern by either stopping or circling present position. If the report proves negative, the vessel will vector the aircraft back to the last position in the pattern. 4. Range and bearing information a. The CSR search pattern is the same as the CSC pattern except that the vessel assists the aircraft with keeping on the proper search course by furnishing frequent advisories based on the ship's radar/visual plots of the aircraft. The vessel normally maintains a true plot and a relative plot. Both are a composite of information from air search radar, surface search radar, IFF/SIF interrogator displays, ECM
information, TACAN/DME ranging displays, and visual bearings. When the aircraft is within visual range of the ship, visual bearings are taken and plotted with radar ranges. This provides a more accurate plot than one relying entirely upon electronic information. Radar bearings are susceptible to errors, although a constant error may also exist with radar ranges from a particular piece of equipment. Early in the search, radar and visual bearings should be compared for any difference that would reveal a radar bearing error. If a constant radar bearing error is detected, all subsequent radar bearings are corrected during the search. b. Using a gyrorepeater and a pelorus, visual bearings are taken from a position on the wing of the vessel bridge by the "bearing taker" who has communications with the vessel "air plotter" in CIC. 5. Plotting standards a. The following standard symbols should be used on both the air plot and the surface plot to visually indicate the source of the fix/DR data: E-9
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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
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Overseas Region the Alaskan CAP Win
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platform. Also of use for SAR are c
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3130.16 series. The SMC should de-a
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continental U.S. and at offshore lo
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the potential for recording data wi
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other craft or radio stations: 1. A
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EPIRBs. 9. 27.065 kHz (Citizens Ban
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vessels) will be required to carry
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. Non-compliance with FCC Rules and
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9. SART. 10. MF DSC, used to initia
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4. FAA Domestic Teletype Networks,
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3023 kHz (USB), 123.1 MHz, and 282.
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3. 2638 kHz, all areas. 4. 2738 kHz
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SRUs and agencies. A search action
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2. Rescue Area f. SRUs on scene a.
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extended time, a Notice to Mariners
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The receiving and recording of info
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case. The SMC is often automaticall
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any source. b. There is suspicion t
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The craft's float or flight plan is
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Figure 4-1. Water Chill Without Ant
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s Figure 4-2. Wind Chill Graph - Eq
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445 Weather A. Weather may limit SA
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451 Uncertainty Phase An Emergency
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471 PRECOM A. PRECOM search contact
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the objective during their normal o
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effective search plan. The plan may
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D. Other SAR planning models, such
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1. The aircraft glide area shown in
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Figure 5-3. Vector Plots of Surface
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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.
Page 341 and 342: Emergency Response Institute. Helic
Page 343 and 344: University of Hawaii. Studies on Hu
Page 345 and 346: List of Ship Stations. Geneva, Swit
Page 347 and 348: 1. POLICY APPENDIX A. NATIONAL SEAR
Page 349 and 350: use of wire and radio facilities fo
Page 351 and 352: Area for the advantageous execution
Page 353 and 354: maintain liaison with and support e
Page 355 and 356: Figure A-1. United States Search an
Page 357 and 358: air SAR units, and provide guidance
Page 359 and 360: far as possible, afford adequate me
Page 361 and 362: which shall act in close and contin
Page 363 and 364: established by the Convention on In
Page 365 and 366: December 12, 1986 Agreement Concern
Page 367 and 368: outstretched to each side. j. Inver
Page 369 and 370: Black or white smoke bursts, 10 sec
Page 371 and 372: Figure C-2. Surface-Air Visual Sign
Page 373 and 374: Figure C-5. Panel Signals C-5
Page 375 and 376: to the 26-foot sailboat row to obta
Page 377 and 378: straightaway length (x) of the cros
Page 379 and 380: These patterns are variations of th
Page 381 and 382: c. In the CSR pattern, the actual c
Page 383 and 384: adjacent to it, are the following:
Page 385 and 386: d. If the shaded portions of Figure
Page 387 and 388: 3. Relative motion pattern solution
Page 389 and 390: through the tail of the ship's vect
Page 391: Request the aircraft to report amou
Page 395 and 396: APPENDIX F. TEMPORARY FLIGHT RESTRI
Page 397 and 398: 4. Normally, incidents in an aircra
Page 399 and 400: 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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