It turns out that someone at TSA must have been asking the same question because the rules are finally changing for some passengers.

FORBES: For Some Fliers TSA Security Lines Just Got Much Shorter

So here are some simple rules of the air, and some guidance for passengers at any place in the corporate hierarchy.

FORBES: 11 Rules Of Thumb For Flying With The Boss

"Ultimately passengers will pay for these new rules, because the profit margins of carriers are too thin to absorb the cost of major unforeseen events, " said Dr Ashley Steel, KPMG's global chair for transport.

BBC: EU unveils new air passenger rights

As I announced this week, we've taken a whole range of steps to improve aviation screening and security since Christmas, including new rules for how we handle visas within the government and enhanced screening for passengers flying from, or through, certain countries.

WHITEHOUSE: Security Review on Attempted Terrorist Attack

Now, as I announced this week, we've taken a whole range of steps to improve aviation screening and security since Christmas, including new rules for how we handle visas within the government and enhanced screening for passengers flying from or through certain countries.

CNN: Transcript: Obama outlines steps to prevent terrorism

The newer, more relaxed rules are part of a move toward a more risk-based screening procedure for passengers, rather than the one-size-fits-all system currently in place.

FORBES: TSA Changes Rules for Child Pat-Downs, Shoe Removal

The TSA said the new rules would bring the US into line with international guidelines and offer a better experience for passengers.

BBC: TSA to allow some small knives in carry-on luggage