This is not a mod, it's a redstone machine. A mod is a "modification" to the games code to make changes to the game itself, this uses vanilla mechanics to add items and custom blocks. So while this is a cool use of command blocks and redstone, this is not a mod, and does not belong it the modding section.
This very clever. It is vanilla and not a mod but it tests the very limit of vanilla, which can only really be obtained by using mcedit. I would like to see a tutorial video about it because there is not many videos on how to do this kind of thing. There is also other clever techniques used by the mcedit community to create things like this with world files(which is great) which is something you could use to improve this clever vanilla invention and this is shown in this video that someone made of their map: http://www.planetminecraft.com/project/vanilla-rc-helicopter/ Videos:
Keep up the good work!
I'd be willing to call these types of things "Vanilla Plugins" instead of mods. While they don't change anything to the game itself, it does require some knowledge to "install"/create them.