Didn't realise that virgin 747 carried 451 pax
LGW based B744: 14J 58W 379 or 380Y (total 451/452)
LHR based B744: 44J 32W 310Y (total 386)
It will be interesting to see what VA's investigation brings up... usually I would doubt anything coming from a lot of the UK's media, however this seems to be a fairly substantiated story?