You would have to edit the sound config in the sounds folder of the aircraft or helicoper concerned = yes it is annoying!! Is it really like that in the cockpit of real planes? Couldn't we have slinky seductive voice instead? Or changable to hip hop, punk, hippy etc as preference :)
E6600 overclocked to 3400. Asus P5N E sli with 3GB memory, Vista and 7900GS vid card. new Pro Yoke and pedals
...or you can disable the default FSX GWPS in individual aircraft by adding the following section to the aircraft.cfg file.....
[GPWS] max_warning_height = 000
Dave
At that time [1909] the chief engineer was almost always the chief test pilot as well. That had the fortunate result of eliminating poor engineering early in aviation.