Federal regulations provide guidance only for universal application. In the case of airports, no federal reguation applied by the USC or CFR provides a prohibition against a firearm or other weapon at an airport generally. However, the airport authority does have this prohibition. The fact that the airport authority is local in nature and not a federal agency means nothing.
It matters not a whit if I'm arrested by local police, or a federal officer. It's still the law.
Yes, a firearm is required in a survival kit in alaska. This is different than carrying a locked and loaded defensive handgun on one's hip, however. One carries a firearm for defensive use againt bear, and for survival (and in some cases signal) purposes. Generally speaking, terrorism in Alaska is slow this time of year.
Federal guidelines apply to establishement and maintenance of the SIDA. My abode isn't in or near the SIDA, but I can't walk down the ramp to the local FBO. I can drive around, and walk in the customer entrance, or I can taxi up. I can't simply go walking on the flight line, unless I wish to be arrested. I can wear my airport ID badge, and show a company crewcard ID, but that and a quarter will buy me a chance to smell the officer's coffee.
I've got a toolbox full of boxcutters, razor blades, scrapers, dikes, twisters, picks and probes, and all manner of other gooides, downstairs but nobody seems interested in that. I have two swords here, nobody seems to care about those. Bring in a measely .45, and one gets all kind of attention. Go figure. Therefore, the guns stay locked up far away, the tool box gets used a lot, and the swords stay out of sight (like I ever get visitors...).
At least I can carry my fingernail files again, for that emergency manicure. One never knows. I still feel naked without a Leatherman. I firmly believe that mankind was being punished for many millenia, and God finally saw fit to end the torment, and inspired the Leatherman. Now after this great moment of light and truth, we have once again been stripped, and must go leathermanless. It's unnatural, and against the true order of things. Besides, my cell phone pulls my belt unevently to one side without it. There is no justice.