Questions tagged [data-link]

Questions about data link in communication, navigation and surveillance.

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5 votes
1 answer
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How can shifting to TCP/IP make current aviation systems more delay-tolerant?

I've recently been reading a number of articles on the current aviation systems. Many of them say that the current aviation infrastructure is 'inefficient' since it is based on OSI model and, so, ...
Teodorism's user avatar
  • 455
9 votes
2 answers
776 views

Why can't flight management systems receive instructions directly from the controller?

If an aircraft's flight management system has auto pilot and auto thrust coupling, and it can make changes to the aircraft speed and direction along the entire route without pilot intervention, then ...
Dana Lynde's user avatar
3 votes
1 answer
2k views

What's the relationship between FANS and CPDLC?

I'm confused about Future Air Navigation System (FANS) and Controller–pilot data link communications (CPDLC). Someone said FANS includes CPDLC, another said it does not.
John's user avatar
  • 99
4 votes
2 answers
2k views

Why doesn't ADS-B use satcoms like ADS-C?

With ADS-C, in the middle of remote areas (like ocean), we can send position report via satellite data link. So, why ADS-B systems on airplane uses ground based stations (VHF datalink) rather than ...
Mustafa's user avatar
  • 43
2 votes
1 answer
8k views

What are the differences between FANS A, B, and C? Is FANS C commissioned?

For the Future Air Navigation System, what are the differences between FANS A, B, and C? Is FANS C commissioned?
user47378's user avatar