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- Towed_pinger_locator abstract "A towed pinger locator is a water-borne device used to locate the sonar \"ping\" from the underwater locator beacon which is fitted to the Cockpit Voice Recorders and Flight Data Recorders installed in commercial airliners. They can locate pingers at depths of up to 20,000 feet (6,100 m) underwater.The locator is mounted in a hydrodynamic shell, or \"tow fish\", connected by winch behind a surface vessel across the search area. The locator listens for the sound emanating from the beacon or \"pinger\". Once located, the beacon and its attached recorders can be retrieved by divers, submersibles or remotely operated vehicle (ROV), depending on depth. A model currently used by the United States Navy is the TPL-25, which has a weight of 70 pounds (32 kg) and a length of 30 inches (760 mm); it is generally towed at 1–5 knots (1.9–9.3 km/h).Most beacons transmit a pulse once a second at 37.5 kHz.The hydrophone must be positioned below the thermocline layer which reflects sounds, either back to the surface or back to the ocean floor. Since the pinger signal is relatively weak, the hydrophone must be within about one nautical mile (6,076 feet (1,852 m)) to detect it. The hydrophone is typically deployed about 1,000 feet (300 m) above the ocean floor, where it can scan a swath approximately 12,000 feet (3,700 m) wide, on a flat, level surface.".
- Towed_pinger_locator thumbnail Towed_pinger_locator.svg?width=300.
- Towed_pinger_locator wikiPageID "42298910".
- Towed_pinger_locator wikiPageLength "3024".
- Towed_pinger_locator wikiPageOutDegree "19".
- Towed_pinger_locator wikiPageRevisionID "642610247".
- Towed_pinger_locator wikiPageWikiLink Air_France_Flight_447.
- Towed_pinger_locator wikiPageWikiLink Category:Aircraft_emergency_systems.
- Towed_pinger_locator wikiPageWikiLink Category:Beacons.
- Towed_pinger_locator wikiPageWikiLink Emergency_position-indicating_radiobeacon_station.
- Towed_pinger_locator wikiPageWikiLink Flight_recorder.
- Towed_pinger_locator wikiPageWikiLink Hydrophone.
- Towed_pinger_locator wikiPageWikiLink Korean_Air_Lines_Flight_007.
- Towed_pinger_locator wikiPageWikiLink List_of_unrecovered_flight_recorders.
- Towed_pinger_locator wikiPageWikiLink Malaysia_Airlines_Flight_370.
- Towed_pinger_locator wikiPageWikiLink Nautical_mile.
- Towed_pinger_locator wikiPageWikiLink Submersible.
- Towed_pinger_locator wikiPageWikiLink Thermocline.
- Towed_pinger_locator wikiPageWikiLink Towed_array_sonar.
- Towed_pinger_locator wikiPageWikiLink Underwater_locator_beacon.
- Towed_pinger_locator wikiPageWikiLink United_States_Navy.
- Towed_pinger_locator wikiPageWikiLink File:Navy_Towed_Pinger_Locator.jpg.
- Towed_pinger_locator wikiPageWikiLink File:Towed_pinger_locator.svg.
- Towed_pinger_locator wikiPageWikiLinkText "Towed pinger locator".
- Towed_pinger_locator wikiPageWikiLinkText "towed pinger locator".
- Towed_pinger_locator wikiPageUsesTemplate Template:Aviation-stub.
- Towed_pinger_locator wikiPageUsesTemplate Template:Convert.
- Towed_pinger_locator wikiPageUsesTemplate Template:Portal.
- Towed_pinger_locator wikiPageUsesTemplate Template:Reflist.
- Towed_pinger_locator subject Category:Aircraft_emergency_systems.
- Towed_pinger_locator subject Category:Beacons.
- Towed_pinger_locator hypernym Device.
- Towed_pinger_locator type Device.
- Towed_pinger_locator comment "A towed pinger locator is a water-borne device used to locate the sonar \"ping\" from the underwater locator beacon which is fitted to the Cockpit Voice Recorders and Flight Data Recorders installed in commercial airliners. They can locate pingers at depths of up to 20,000 feet (6,100 m) underwater.The locator is mounted in a hydrodynamic shell, or \"tow fish\", connected by winch behind a surface vessel across the search area.".
- Towed_pinger_locator label "Towed pinger locator".
- Towed_pinger_locator sameAs Q17140155.
- Towed_pinger_locator sameAs m.0102bn5n.
- Towed_pinger_locator sameAs Q17140155.
- Towed_pinger_locator wasDerivedFrom Towed_pinger_locator?oldid=642610247.
- Towed_pinger_locator depiction Towed_pinger_locator.svg.
- Towed_pinger_locator isPrimaryTopicOf Towed_pinger_locator.