Originally Posted by
PhantomPilot
For Runway 14, a wind of 260/16G21 (last one given by ATC) will give at peak gust 11kts tailwind and 18 kts xwind, but previous wind readings from TWR prove that is was changing constantly so touchdown wind only the FDR will tell us.
Max tailwind per B747 FCOM is 15kts.
I got different numbers than you. However, my point was simply this, not 21 knots of tailwind.