Originally Posted by
pax britanica
Assuming you were there lunchtime to mid pm you might have seen the increasingly rare sight of 4 contrails as a AN124 rerouting Keflavik to Verona passed overhead around 2ish i think.
You might be surprised how common 4-holers OTT still are - a typical day sees around 50 overhead the southeast (not including LHR/LGW movements), mostly cargo 747s plus a handful of A340s.