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22 Cards in this Set
- Front
- Back
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What is the conditions of being threatend by serious and/or imminent danger and or requiring immediate assistance?
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DISTRESS
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What is a condition concerning the security of a ship, aircraft or other vehicle, or of some person on board or within sight but which does not require immediate assistance?
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URGENCY
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What Safety is the condition which necessitates the transmission of a message concerning the safety or navigation or providing important meteorological warnings?
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SAFETY
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What traffic shall have priority over all other transmissions?
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DISTRESS
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What traffic shall have priority over all other communications except "distress".?
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URGENCY
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In cases of of ditress, urgency or safety transmissions by radiotelephony they shall be made slowly and distinctly, each word being clearly pronounced to facilitate what?
(why must you speak slowly and clearly when making a voice distress call?) |
TRANSCRIPTION
(to facilitate the message being transcribed at the other end (written down)) |
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What is the service provided between aeronautical stations and aircraft stations or between aircraft stations in which survival craft stations may also participate?
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AERONAUTICAL MOBILE SERVICE
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What is the service between coast stations and ship stations, or between ship stations in which survival craft stations may also pariticipate?
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MARITIME MOBILE SERVICE
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The Gloval Maritime Distress and Safety System is administered by who?
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the International Maritme Orgnanisation(IMO)
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In a voice distress signal thee word "MAYDAY" is pronounced as which french expression?
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"m'aider"
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the voice alarm signal consists of two substantially sinusoidalaudio frequency tones transmitted alternatively, One tone has a frequency of 2200Hz and the other 1300Hz. the duration of each tone is how long?
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250 ms (milliseconds)
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The puropse of what signal is to alert the operatiors on the watch, or to activate the 2182khz watchkeeping receivers to warn operatiors that a distress call or message is to follow?
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Alarm Signal
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2182 kHz and supplimental frequencies 4125kHz, 6215kHz, are the International Distress frequencies for what?
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VOICE
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What is the frequency for International Direstress Voice?
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2182kHz (and supplimental frequencies 4125, 6215kHz)
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What is the International Distress, Safety adn Calling frequency for maritime mobile VHF?
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156.8MHz
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Immediately before a crash landing or forced landing of an aircraft as well as before the total abandonment of a ship or an aircraft the radio equipment should be set for (blank) transmission.
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CONTINUOUS Transmisison
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When a station in distress has delegated control of distress working to another station the person in charge of the station in distress should, when he considers silence no longer justified, immediately inform the (blank).
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Controlling Station.
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All other stations which here the Urgency signal are to contiue to listen for at least how long?
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Three minutes.
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What indicates that the station is about to transmit a message containing an important navigational or meterological warning?
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the Safety Signal.
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An aircraft seeing but not understanding ground signals by will fly a complete right circle and by night will make red flashes with what?
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SIGNAL LAMP
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When making ground signals you should make them not less than how long in length?
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8 feet.
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In the absence of any response to initial transmission the aircraft, ship or survival craft will preferably initiate a distress call on the International Aeronautical Emergency Frequency 121.5MHz or on the Distress and Emergency Frequency of what frequency?
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243.0MHz
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