Questions tagged [tacan]

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3 votes
1 answer
276 views

When was TACAN (or DME?) Y mode introduced?

If I understand correctly, originally DME and the equivalent distance measurement aspect of TACAN had only the "X" channels where the pulse pairs are 12 μs apart, and later the "Y" ...
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  • 718
0 votes
0 answers
89 views

Can an IFR civilian aircraft use a TACAN for DME distances? [duplicate]

Flying the KRDR LOC RWY 35 approach. How do I get my DME distance to HONNE or CANLI? can we pick up DME distance from a TACAN? Just used GPS Overlay but can we get distance from the TACAN?
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6 votes
1 answer
558 views

Why do IFR charts show TACAN paired frequencies when there is no collocated VOR?

The image below shows a low IFR chart with a VORTAC on the right and a TACAN on the left. I understand the VORTAC is labelled with both VOR frequency and TACAN channel so that a civilian user could ...
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  • 598
-2 votes
1 answer
248 views

If the VOR works and the TACAN works, why doesn’t the VORTAC work?

Here https://www.tailstrike.com/270680.htm is the transcript of the CVR of the Itavia Flight 870 (Ustica Massacre), but some communications have been omitted; I’ll use this site: http://www....
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  • 161
2 votes
2 answers
287 views

How does a TACAN signal change with bearing from the station?

In the TACAN system , how does a change in bearing , would translate to a change in the time (or frequency) domain. I'll try to elaborate: I'm aware , of the TACAN operation in general. let's say ...
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