Originally Posted by
stansted_dan
I think that TAY26H from EGPH (Edinburgh) to EBLG (Liege) It routes N0300F190 TLA N57 POL R101 STAFA L10 HON/N0314F180 L186 BIG/N0300F190 W70 KOK, departing EGPH at 20:55 and so is normally over London (BIG = Biggin Hill VOR) at approx 22:05 at 18,000ft. Does this sound like the one you're hearing?
Any idea why he drops down to a non standard level in the Daventry sector and then pops back up at BIG??