[Carlton]

You're not using your GetVehicleModel parameters right. The parameters goes like this:
vehicleid - The vehicle you want to get the model from. The correct coding will be this:

Код:

stock IsplayerInFlyingVehicle(vehicleid)
{
   if(GetVehicleModel(vehicleid) == 592 || GetVehicleModel(vehicleid) == 577 || // And you keep going on
}