Proper identification may get you on the airplane, but it does not necessarily mean that it will get you to your destination. For that, you will need to know and abide by all of the airline security. 

When it comes to air travel rules, there are many travelers who automatically assume that they already know what these rules are; however, the reality is that many do not.  In fact, there are some many air travel rules to follow, that it is difficult for any one person to know and fully understand them all.  This does not mean that you should not acquaint yourself with the rules of air travel; it just means that you should try and focus on the most important ones.