Is there any rule that prevents planking while on board of an aircraft?

You can never be too safe aboard an airplane.

This is what you need to do to become a copilot.

You should always think about where the doors go when painting anything.

Hoping that the people killed by this bomb will forgive you always counts.

While boarding a plane it is not a good idea to tell everyone of your intentions.

Who says you can't have fun while you feed your baby?