Just like in everything else, we should also observe proprieties of conduct -- whether traveling on economy, business or first class -- while onboard an airplane.

Want to find out how (based on other travelers' yardstick)? Here they are:

Steel Kaleidoscopes' 10 Rules of Airplane Etiquette
1. Mind Your Space
2. They Make Paperbacks, Don't They?
3. It's Not a Tea Party
4. If You're a Bathroom Person, Take an Aisle Seat
5. You're Not the Flight DJ
6. Rubbernecking, Part 1
7. Rubbernecking, Part 2
8. It's Called Deodorant
9. Kids are Kids
10. You'll Get Off the Plane, Promise

Except for #2, I agree with everything!

Barbara's Travelers' rule book: Behavior 101

1. Learn how to share armrest space.
2. Rearranging overhead space
3. Go the bathroom before getting on the plane
4. Intruding on airline seat space
5. Loud cell phone conversations
6. If you can't lift it into the overhead bins, check it
7. Don't drink and fly
8. Space underneath the seat
9. Kids and flights

As for the overhead bin complaint... what about small women like me?! At 5'2", I always have to ask for help.

What about YOU? What do you think should travelers keep in mind that were not lincluded in the 2 lists?