Originally Posted by RedBullGaveMeWings
If you want to spend one year in the US working as a flight instructor, you need a flight school approved to accept student on a F-1 visa.
You forgot to mention that you will also need plenty of cash.
You have to live during that year and also provide yourself with medical insurance, accommodation and able to live.
The end result is often not a lot of hours attained.
OPT - is exactly that "Optional". you are not guaranteed to get it.