Selective Calling. A high-frequency system enabling air traffic control to alert a particular aircraft, by means of flashing light or aural signal in the cockpit, for receipt of a message without the crew having to maintain a listening watch. Used on long-haul over-ocean airline routes and by intercontinental business jets.
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http://airodyssey.net/reference/glossary/
In international aviation, SELCAL or SelCal is a selective-calling radio system that can alert an aircraft`s crew that a ground radio station wishes to communicate with the aircraft. SELCAL uses a ground-based encoder and radio transmitter to broadcast an audio signal that is picked up by a decoder and radio receiver on an aircraft. The use of SE....
Found on
http://en.wikipedia.org/wiki/SELCAL
abbreviation: Selective Calling System
Found on
http://www.encyclo.co.uk/local/20021
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