I was just wondering what the max altitude is in the 747 in IF.
I took off out of EDDF headed for KEWR and climbed to FL380. The plane’s speed stopped rising at like .75M and almost stalled out. I had to drop down to FL320 in order to have an ideal and comfortable flight.
I looked online and it says the ceiling is FL410. Is this because I set the fuel to heavy or does the aircraft need an update?