flight distance

[Geno]

http://www.youtube.com/watch?v=SESRDDh0T5A&list=PLCCDAFD31D34AB9CD
http://www.youtube.com/watch?v=i3r5MJp_ABc&list=PLCCDAFD31D34AB9CD
http://www.youtube.com/watch?v=iUZU4tBEuF8&list=PLCCDAFD31D34AB9CD