The challenge is to find your way across the country by finding clues in the scenery.After succesful completion you can submit your solution to check your result.
For explanation, see Puzzle #0 on this site with accompanying Youtube video.
The challenge is that you have to fly, look, calculate, and write at the same time, just like real pilots. 
If you like these kind of puzzles, leave a comment below to encourage me creating more.

Version 1.1 Corrects the filename that caused download problems for some. Content is the same as v1.0.