Originally Posted by JABBARA
My question, what does "steady mean"?
Originally Posted by FAR/JAR 25.121(b)(1)
(i) The critical engine inoperative, the remaining engines at the take-off power or thrust available at the time the landing gear is fully retracted, determined under CS 25.111, unless there is a more critical power operating condition existing later along the flight path (…)
Interpretative material such as FAA AC 25-7 adds that the normal lapse rate of thrust with altitude does not constitute a “more critical operating condition”.
“Steady” means at constant speed V2, i.e. not accelerating or decelerating, except for the increasing TAS when climbing at constant IAS.
FAR/JAR 25.121 defines a takeoff weight limitation (a.k.a. WAT-limit) that is not directly related to the takeoff flight path used for obstacle clearance.