Originally Posted by
Private jet
Huh?? No mate. Piston props produce more drag than thrust at idle, so net drag. That's why they descend like a brick when you close the throttles. Jet's still produce forward thrust at idle (about 4-5% ish of maximum) so they need a shallower descent and need a lot of runway if you are not on Vref. It was a long time ago but i remember powering light twin all the way down to just above the ground; But bizjets (Challenger) you need to start creeping the thrust back at 30-50ft.
Joke …Tell that to a float plane approaching a dock…..Joke Over
My mistake, I was just trying to cover all the bases as to what could be a factor. Idle thust would be a very minor factor.