Originally Posted by
deltahotel
No type mentioned, so I can approach this from 757 perspective. Gear down, Flaps 20 at the same time is normal. Asking for F25 while the LG is still moving is asking for a landing config warning.
Same on a couple of the bigger Boeings - selecting F25 or F30 with gear still travelling, not indicating down, meant it got very noisy....
You wouldn't fail a check ride for doing it accidentally as long as the gear was on the way but you'd get a
and it would be a point for the debrief.