With i9TV, the VAs with website, can have, next to the map, the image of flights in progress.
With the colors of the VA and the region where the pilots are flying.
You need only a web dir to store the JPG posted by pilots, (ONLY ONE), and FTP to that dir.
Security for the web is ensured. If gives the pilot a configuration FTP file encrypted.
And the JPG brings the identity of the sending.