飞行导航软件，仍处于测试阶段
Aircraft navigation software. Still in development. Please contact falk@efalk.org with comments, suggestions, and bug reports.
This application is NOT approved for navigation. Always have proper navigation instruments and charts in your aircraft.
Oh, and here's the privacy policy: Flight Deck never collects any private data of any sort. It never connects to the internet except to download map data. It doesn't even run ads.