I didnt fly ona 146 until a couple of years ago after trying just about every other type out there. Its a nice plane from a pax point of view I thought ( no nasty oil fumes on the one I flew on-)
It does make a really starnge noise as the flaps retract tho ,as this thread discusses and I have often wondered exactly what caused it- airflow I assumed
As Antonius points out is it noticeable because its exceptionally loud (on a quiet aircraft) or is it a high wing phenomenum and is present on other a/c but shielded from being heard in the cabin by the wing which I think all agree is a pretty good noise suppressor. I live close to one of the LHR approaches -downwind to the Easterlies and hear a simialr noise from the smaller airbusses sometimes as they are descending and I guess at a point were they might be dropping first stages of flaps and of course I am well below the wing in that case -is it the same effect?
Just curious
PB