Originally Posted by
tsquare
And here I thought I was fully acronym compliant. What in the hell is an ESKM?
Equivalent
Seat
KiloMeters
It is a similar measure to ASM's, but it accounts for cargo capacities and also accounts for different seating configs/numbers in aircraft types so that flying between AF/KL/AZ and DL can be effectively compared to preserve the 50/50 flying split.