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air distress frequency

См. также в других словарях:

  • International distress frequency — An international distress frequency is a radio frequency that is designated for emergency communication by international agreement. Contents 1 History 2 Current frequencies 2.1 Digital Selective Calling frequencies 2.2 …   Wikipedia

  • Distress radiobeacon — PLB redirects here. For other uses, see PLB (disambiguation). Emergency position indicating radio beacons or EPIRBs Distress radio beacons, also known as emergency beacons, ELT or EPIRB, are tracking transmitters which aid in the detection and… …   Wikipedia

  • Iran Air Flight 655 — Artist s depiction of A300 EP IBU Occurrence summary Date 3 July 1988 …   Wikipedia

  • Aircraft emergency frequency — The aircraft emergency frequency (also known as guard) is a frequency used on the aircraft radio band reserved for emergency communications for aircraft in distress. The frequencies are 121.5 MHz for civilian, also known as International Air… …   Wikipedia

  • Mayday (distress signal) — Mayday is an emergency code word used internationally as a distress signal in voice procedure radio communications. It derives from the French venez m aider , meaning come help me . [ [http://www.etymonline.com/index.php?search=mayday… …   Wikipedia

  • Acute respiratory distress syndrome — ICD9|518.82 ICDO = Caption = Chest x ray of patient with ARDS OMIM = MedlinePlus = 000103 eMedicineSubj = med eMedicineTopic = 70 DiseasesDB = 892 MeshID = D012128 Acute respiratory distress syndrome (ARDS), also known as respiratory distress… …   Wikipedia

  • Gulf Air — Infobox Airline airline = Gulf Air طيران الخليج image size = 200 IATA = GF ICAO = GFA callsign = GULF AIR founded = 1950 commenced = ceased = hubs = Bahrain International Airport secondary hubs = focus cities = frequent flyer = Gulf Air Frequent… …   Wikipedia

  • Coast Air — IATA BX ICAO CST Callsign COAST CENTER Founded 1988 Ceas …   Wikipedia

  • Morse code — Chart of the Morse code letters and numerals Morse code is a method of transmitting textual information as a series of on off tones, lights, or clicks that can …   Wikipedia

  • Her Majesty's Coastguard — Her Majesty s Coast Guard Ensign of HM Coastguard Active 1829 present Country …   Wikipedia

  • Spark-gap transmitter — A spark gap transmitter is a device for generating radio frequency electromagnetic waves. These devices served as the transmitters for most wireless telegraphy systems for the first three decades of radio (1887 ndash;1916) and the first… …   Wikipedia

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