Hi,
Here is a situation:
Departure from LHR (or any other airport, but this is most extreme in London area), inital climb clearance acc. to SID is 4000' or 5000'. Next controller gives you climb to FL070, next controller to FL100, next controller to FL120 etc.
Do you stay in VNAV and let the airplane climb asap to assigned level and stay there or do you change over to V/S (500-1000 fpm) to "delay the climb" as to keep the climb gradient flatter and more continuous instead of step climb?
In my company, the skippers have mixed views, some want to stay in VNAV for traffice seperation purposes, others in V/S for passengers comfort and to keep the engines from constantly going from full climb power to almost idle while flying level at low level.
Input from controllers appreciated
