[DeMoo]

PHP код:

new OneSecTime;
new Float:ZPos[MAX_PLAYERS];
stock IsAPlane(carid){switch(GetVehicleModel(carid)){case 592,577,511,512,593,520,553,476,519,460,513,548,417,487,488,497,563,447,469:return true;}return false;}
public OnGameModeInit()
{
    OneSecTime = SetTimer("OneSec", 1000,1);
    return 1;
}
forward OneSec();
public OneSec()
{
    foreach(new i : Player)
    {
        new Float:x,Float:y,Float:z;
        GetPlayerPos(i, x, y, z);
        ZPos[i] = z;
        if(IsAPlane(GetPlayerVehicleID(i) && ZPos[i] > 30) // Change ZPos as you want
        {
            // Your Time Script
        }
    }
}