helicopter's keep crashing

[Sever26 0]

hoping somebody can help here...i'm making a mission for a helicopter assault but everytime my helicopter's get halfway there they fly into the sides of the mountians why and how do i fix this.

[lebson506th 0]

Helicopters are stupid.

Tell them to go around the mountains or through a different way where they don't crash.

[nuxil 2]

you can try this solution. on some of the wavepoints put.

<table border="0" align="center" width="95%" cellpadding="0" cellspacing="0"><tr><td>Code Sample </td></tr><tr><td id="CODE">

this flyinhight 500;