My brother-in-law is a airline pilot. He used to be a police officer and I dont think there would be any problem with him carry in a pistol.

The safety rounds are Glaser Safety Slugs

The pilots call the TSA, "Thousands Standing Around". A 20 year old TSA agent took his finger nail clipper from him, citing it was a weapon. He looked at them like, "I'm flying the plane and could run it into the ground if I wanted to."