"Do you understand that every person on this flight will be armed?"
"Yes."
"Do you understand that your own death and/or serious injury may occur as a result of passenger use of weapons during this flight?"
"Yes."
"Do you agree that you and/or your legal heirs, assigns, and next-of-kin will hold this airline blameless and without fault should you die or become seriously injured as a result of passenger use of weapons during this flight?"
"Yes."
"You understand that this airline cannot and does not guarantee your safe arrival at the destination listed on your ticket?"
"Yes."
"And do you assume full personal responsibility at equity or law for any damages and/or casualty to property, and/or the death or serious injury of yourself or any passenger, employee of this airline, or other person as a result of the employment of your own personal weapon, whether employed by you or any other person, during this flight?"
"Yes."
"Please raise your right hand and repeat after me: 'I', state your name, 'do hereby swear and/or affirm in the presence of this officer of the Federal Court of Circuit XXX that the terms and conditions of travel on this airline have been completely read and explained to me in his/her presence, and that I have understoood them and have agreed to them, so help me God."
"'I, __________, hereby swear in the presence of this officer of the Federal Court of Circuit XXX that the terms and conditions of travel on this airline have been completely read and explained to me in his presence, and that I have understoood them and have agreed to them, so help me God."
"Thank you. Sign here, and please safe your weapon before going through the turnstile. Have a pleasant flight."
I don't see why a waiver would even be necessary, given that being on that flight would probably be safer than than fluing on pussy-air (but I'd sign it anyway).