Lo-o-ong T/O roll
Take-off time from KUL in a Malaysia 747: the roll seemed to go on forever before rotating. I assume that 30 degree temps and high humidity were the major factors, along with the fact that the a/c was full and had a 12-hour flight ahead of it and so was full of fuel; I believe KUL is close to sea-level. Just how much longer was it, compared to the standard 20 degrees at/around MSL?