Invisible aircraft


Punching N1, the FAA’s Gulfstream, into the Flight/Tail No. box gets an ‘INVALID’ response. Never had this before. Does it use a different callsign? I saw the plane but didn’t hear it on the radio.



N1 through N9 are blocked by the FAA, so we never receive any information about them.


Thanks for that, obviously I am used to seeing ‘This flight is not available for tracking per request from the owner/operator’ but I guess when the owner/operator and information supplier are one and the same different rules apply.