( CNN ) -- Federal officials have cleared singer Justin Bieber and his fellow air passengers after an investigation into whether they interfered with a flight crew in January . The Federal Aviation Administration released a statement Friday saying it has closed its investigation after it `` found no evidence that the passengers violated Federal Aviation regulations . '' CNN reported earlier that according to a law enforcement sources , Bieber and his father were `` extremely abusive verbally '' to a flight attendant during a flight on a chartered Gulfstream IV aircraft from Ontario , Canada , to Teterboro Airport in New Jersey in advance of the Super Bowl . Justin Bieber and his father refused a pilot 's repeated warnings to stop smoking pot on the flight , according to a report by U.S. Customs and Border Protection , which was read to CNN . 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 . ''
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 .