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Questions tagged [data-link]

Questions about data link in communication, navigation and surveillance.

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2
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0answers
73 views

In terms of communication with a computer with the receiver in a glider, is there a certain frequency I should consider? [closed]

I am part of a university team of engineers that design and manufacture a plane. My sub-team is in charge of designing an autonomous glider that needs to deploy from the plane and land in a given zone....
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0answers
35 views

What are the fields of the ground reply (uplink) to a weight-and-balance request?

I am trying to send from the Aircraft MCDU AOC menu (via ACARS Data Link) , a Weight/Balance Request downlink to the Ground Station . I would like to know what are the fields that make up the uplink ...
2
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0answers
168 views

Do strike aircraft turn off their datalink?

As far as I know, it is normal procedure for aircraft on a strike mission to go into radio silence at a certain point of the mission, as to not give of any unnecessary emissions that could warn the ...
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2answers
577 views

Why is air traffic control done manually by humans?

I'm not a pilot but have a software developer background, so forgive my aviation naivety. From what I understand there have been numerous issues and almost-issues relating to human air traffic ...
3
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1answer
154 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.
2
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1answer
89 views

Which pilot (pilot flying, pilot monitoring) handles CPDLC (operates CPDLC interface)?

This question relates to commercial flights, typical two-pilot crew: In some airspaces, e.g. North Atlantic, pilots and Air Traffic Control use Controller Pilot Data Link Communication (CPDLC, ...
3
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2answers
983 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 ...
9
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2answers
598 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 ...
4
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1answer
765 views

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, ...