Quote Originally Posted by SCI-Nurse View Post
Overhead bin or under the seat in front of you.

The attendants always help stash my foot and arm rests in the overheads which is where we put my cushion too. I have better ability to scoot around if I'm not bogged down in my Jay on flights. Any wheel chair tools including your pump should be exempt from TSA rules. If you have problems during security checks ask to speak to the TSA manager on duty. If you have anything written explaining the pump bring a copy along just in case.