Originally Posted by
Lucky8888
If I am showing my DCM flight number in my mode S, all they will see is that data. Right?
I am pretty sure Flightrader24 can't track us by tail number but I've been wrong before.
If I am operating in the US with mode C, yes I can remain a ghost flight and not be tracked via the FAA radar feed.
There are only two active FAA ADS-B sites so far, PHL and SDF, in the lower 48, without looking it up.
Same aircraft, upgraded now to Mode S, flying from TEB to LAX. No FAA ADS-B feed. FAA data blocked. However the Mode S has a unique worldwide 24 bit ICAO identifier. Along the route anyone with about $70 in equipment can pick up the ADS-B signal, feed it to the ASDI site, and you are identified, never having gone through any FAA feed.
When you go to Europe what do you enter in the FMS and transponder for the flight number?
With Mode S the transponder ATC entry has to match the ATC strip. We would have some jokers in the early days with Mode S put something in the transponder for the next crew, they would miss it, only change the squawk code, and then get gentle reminder from ATC to check the box.