Originally Posted by
catseye
Wondering what fuel burn and tas you would be getting at Fl450. no step climb is a good effort.
There are loads of variables, of course. But TAS of 400-410kt and fuel burn of 900-1000 lb/hr total is around the mark for the way we fly it.
This was taken after a max TOW departure and climb from DN direct to FL450. Fuel burn probably around 1000 lb/hr at this point.
