With Vichai, the pilot and three other people on board, the helicopter took off from within the stadium at approximately 20:37 BST (19:37 UTC).
Bersama Vichai, pilot dan tiga orang lainnya di helikopter, helikopter lepas landas dari dalam stadion sesaat sebelum waktu kecelakaan pada 20:30 BST (19:30 UTC).