Singer and his father were accused of being abusive to flight attendant . Score: Under FAA regulations , `` No person may assault , threaten , intimidate , or interfere with a crew member in the performance of the crew member 's duties aboard an aircraft . '' 6 FAA says it `` found no evidence that the passengers violated '' regulations .
Singer and his father were accused of being abusive to flight attendant . Score: 6 FAA says it `` found no evidence that the passengers violated '' regulations .