If you donate time, money or manpower to these organizations, it would definitely be a plus to advertise this. Contact Information Make it very easy for an airline to call you if they offer you an interview. Plain white paper is just fine. The paper doesn't matter, but by no means use any type of strangely colored paper, stationary with puffy clouds or strange clip art. Remember that the first person to see your resume may not be a pilot.
Experience Keep it leadership and aviation-related.
Don't, by any means, omit experience which would show a large gap in employment. On the other hand, you don't need to disclose full details that you were responsible for taking precise orders and making correct change when you worked the counter at Burger Giant.