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

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facility usually equipped with an ARTSIII/IIIa tracking computer with one or more radar sensors. Tidal Current (TC): Current influenced predominantly by reversing currents, coastal rotary currents, or river currents. Time of Closest Approach (TCA): Time during a satellite pass when the satellite is closest to a signal source. Total Drift Error (De): Sum of the individual drift errors from the time of the incident until datum. Used when determining Total Probable Error (E). Total Probable Error (E): The assumed error in datum. It is the square root of the sum of the squares of the total drift error, initial position error, and SRU error. Total Water Current (TWC): The vector sum of currents affecting search objects. TPX-42 Direct (Altitude and Identity Readout) (TPX-42 (DAIR)): USN and Marine Corps terminal ATC tracking computer. Normally associated with a single radar sensor with a 60 nautical mile range. Records secondary radar only. Recorded data is retained for 15 days. Track Spacing (S); The distance between adjacent parallel search tracks. Triage: The process of sorting survivors and assigning them priorities for emergency care, treatment, and evacuation. True Air Speed (TAS): The speed an aircraft is making through the air. Uncertainty Phase: An emergency phase which is assigned when doubt exists about the safety of a craft or person because of knowledge of possible difficulties, or because of lack of information concerning progress or position. Underwater Position: The position of a sunken search object when it first makes contact with the bottom. Unified Command: A command with a broad continuing mission under a single commander and Glos-9
composed of significant assigned components of two or more Services. Universal Time Coordinated (UTC): International term for time at the prime meridian (once called "Greenwich Mean Time"). Unresolved Alert: Alert for which the cause remains undetermined. Unresolved Alarm: Alert known to result from a beacon activation, but for which the cause of activation remains undetermined. Unresolved Alarm Rate: Ratio of unresolved alarms to beacon alarms. USMER: System implemented under MARAD's authority to collect vessel information for national emergency purposes; AMVER reports on USMER vessels are released to MARAD when the reporting vessel includes the word "MAREP" on the "x" line of the AMVER reports. Vector: A graphic representation of measurement having both magnitude and direction. Visual Flight Rules (VFR): Rules governing procedures for conducting flight under visual conditions. The term "VFR" is also used in the United States to indicate weather conditions equal to or greater than minimum VFR requirements. In addition, used by pilots and controllers to indicate type of flight plan. Wave (or Chop): The condition of the surface caused by local wind and characterized by irregularity, short distance between crests, whitecaps, and breaking motion. Wind-Corrected Heading: The actual heading an aircraft is required to fly to make good an intended course. Wind Current (WC): The water current generated by wind acting upon the surface of water over a period of time. Glos-10
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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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Page 289 and 290: 1000 General 1010 Mission Suspensio
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Page 301 and 302: 1200 General 1210 Domestic Framewor
Page 303 and 304: G. 46 USC 2304 requires a master or
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Page 311 and 312: 1240 PRIVATE PROPERTY 1241 Entering
Page 313 and 314: CHAPTER 13. SAR MISSION PUBLIC RELA
Page 315 and 316: equests for information, and use ne
Page 317 and 318: 1323 News and Photograph Pool A new
Page 319 and 320: GLOSSARY A-probability: Percentage
Page 321 and 322: Awareness Range: Distance at which
Page 323 and 324: 3. Ratio of sweep width to track sp
Page 325 and 326: Recorded data is retained for 15 da
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Page 329 and 330: Military Assistance to Safety and T
Page 331 and 332: Probability of Detection (POD): The
Page 333 and 334: Search Action Plan: Message, normal
Page 335: SRU Error (Y): Search craft error b
Page 339 and 340: 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
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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
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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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