Originally Posted by
Neektu
From the bulletin:
"When required to cruise at an altitude below optimum due to air traffic, atmospheric conditions, or non-normal procedures, and no further step climbs are planned, set the STEP (L4) size to zero on the ACT ECON CRZ page. This ensures best available FMC FUEL and ETA predictions.
The Boeing Company Seattle, Washington 98124-2207"
Correct....that is what we tend to do as well. As the company tends to want you to just follow the flight plan, the step size can be set to zero prior to takeoff.
Not 777 I might add.