Originally Posted by SuperPilotJesse

I try not to over correct people and be a grammar nazi unless they have went out of they're way to be kinda dickish and correct someone else.

So...

American in your usage should always be capitalized. Proper nouns are always capitalized.

I am an American pilot.
I am an American pilot living in Hong Kong.
I am an American pilot that flies for Delta Airlines.

If you are going to go around correcting people, PLEASE get it right!