ok sended an email to this adres : johnstinstrom (at) aceweb (dot) com.
you should see my adres on it

thx

Hi John,

i had to remove all the VT.. Bgls files that create a kind of landclass on the base . otherwise my flightsim just switches off ...
even when just overflying the base from Seattle to somewhere east of KRCA my flightsim says " there is a problem with FS and wil switch off now "
i have this ...

Hi ,

Same for me , have to remove all VT... files. otherwise fantastic scenery ... thx John