109 e4 performance

[JtD]

Originally Posted by Crumpp

They flew at full power for 1.1hours, to altitudes of 6000m, and the total flight lasted 2 hours.

Proper translation:
"Endurance at full throttle is 1.1h at 6000m altitude.
With according throttling, endurance is increased to two hours."

It's the part of the technical description labelled "Endurance".