...that the aircrafts are able to surf the skies or do an accurate approach to the airport due to some kind of radio-beacon navigation aids (NAVAIDs)?
Some of them are: NDB, VOR, VOR/DME, DME, ILS and MLS.
learn more:
http://en.wikipedia.org/wiki/NAVAID
http://en.wikipedia.org/wiki/VOR
http://en.wikipedia.org/wiki/DME
http://en.wikipedia.org/wiki/NDB
http://en.wikipedia.org/wiki/ILS
http://en.wikipedia.org/wiki/MLS
If you want more info, please, ask me with a comment.
Monday, February 23, 2009
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