Originally Posted by
Stranger
Following what appears to be current airline practice worldwide, to save on the fuel load, they probably had originally filed a flight plan to Tianjin (or some even closer location) with Beijing as an alternate.
Tianjin is slightly further from YYZ than PEK.
Also the flight plan data on flight aware on Jun 6th for AC31 - seems like a valid route to PEK.
http://va-uralairlines.ru/charts/ZBAA.pdf shows several arrival procedures starting at KM NDB (KM 7A, 7B and 7C arrivals)
http://flightaware.com/live/flight/A...855Z/CYYZ/ZBAA
TONNY1 TONNY YEE J556 YYB YVO YFM 5600N 07246W 5800N 07151W 6100N 07013W 6630N 07000W 7000N 07000W 7500N 06800W 8000N 06000W 8600N 04000W 8700N 02000W ABERI B934 VEDOT B934 PETAG B480 BG B480 OSNAR B480 BRT G490 SERNA M520 POLHO G218 TMR B458 TZH A596 KM