Place the (jetroll) (jetwind) (jetroll) sounds into the aircraft's sound sub-dir.
Install: go to your aircraft's sound cfg and edit the following lines:
[GEAR_UP]
filename=jetgrup
minimum_volume=10000<------------Louder=12000
***************************************************************************
Hit save and exit!
Aaron****
Skysong Soundworks
ARSpilot@netscape.net