Volans for the web has moved to a new location.
The site is now located at https://volans.airportnetwork.com.
If you were using a URL such as:
https://volans.airportnetwork.com/volanspublic/volanspublic.html?sitename=sfo
The site would now be launched with the URL:
https://volans.airportnetwork.com?sitename=sfo