And I still think you're cherry picking the regulation, the very same regulation the tells the aircraft operator he has to comply with the TSA's inspection procedures. You can't read one line or one subparagraph out of the CFR and expect to have the full story.
I suspect the whole bit about the key or combo has its history in some practice from decades ago where the pilot or the captain of the ship or whatever kept all the keys to firearms and valuables and such.
I suspect the whole bit about the key or combo has its history in some practice from decades ago where the pilot or the captain of the ship or whatever kept all the keys to firearms and valuables and such.