1 . Bringing 10 bags with them For one you are taking all the space and second the flight attendant isn't there to lift your bags. 2. Yelling at the flight attendant for flight delay. Trust me there is no one more who wants that aircraft to land. 3. Not taking safety rules seriously When the crew plays the safety video it is not for them they know it, they have seen it way more times then you. It is for your own good. 4. Yelling "AHH Hello" to get the flight attendants attention No one expects you to know all their name but some manners won't hurt. 5. Getting drunk on free booze I get that it is for free but getting drunk on a flight is an all time low 6. Creating a scene You may be having a bad day but no one paid to see your drama 7.Talking at the top of one's voice 8.Getting mad at the flight attendant cause of the food They didn't cook that fish so you better keep your opinion to yourself . 9