Pilots on a private plane hired by Justin Bieber resorted to using oxygen masks because of marijuana fumes, according to a report.

The singer, along with his dad Jeremy, took a flight from Canada to near New York before the Super Bowl on Sunday (February 2).

A report about their behaviour, however, has been obtained by NBC News and it states that pilots were overcome by the smell and fumes of marijuana.

The report also claims that Bieber and his father were abusive to staff, with a female attendant at one point seeking refuge in the cockpit.

It reads: “The captain of the flight stated that he warned the passengers, including Bieber, on several occasions to stop smoking marijuana.

“The captain also stated he needed to request that the passengers stop their harassing behaviour toward the flight attendant and after several warnings asked the flight attendant to stay with him near the cockpit to avoid any further abuse. The flight attendant stated the passengers, including Bieber and his father, Jeremy Bieber were extremely abusive verbally and she would not work another flight with them.”

The 'Believe' man meanwhile is facing upcoming court action on two separate cases.

The singer was recently arrested in Miami for DUI, driving without a licence and resisting arrest, with the case next reaching court on February 14 before the star goes on trial on March 3.

He will then see another case, this time for assaulting a limo driver in Toronto, be heard on March 10.