Not germane, based on weight, I know the ramp weight of my aircraft.
Do you ever use reduced thrust power for takeoffs?
Rarely.
Who makes the choice of runways used for takeoffs and landings?
Me.
Who makes the choice of which instrument approach is used?
Me.
You fly corporate jets?
Damn,next time ill tell heathrow to change runway to accomodate me and downgrade the ils to an ndb so i can practice