Originally Posted by
paulross
Not being an 340 pilot, is a 60 second 3 kilometre take off normal?
I was on the A340-200 1992-1995 and recall about 55 s and about 3.000m take off run for a 12 hrs flight normal....
In these 3 years the T/O performance calc was revised three times.
Comparing 3rd to 1st it was a difference of 10 tons too optimistic by airbus
T/Os were in about ISA conditions e.g. SL, 15 deg, 1013 or very close.