A long-haul plane passenger described by a stewardess as "the most obnoxious customer she has ever encountered" called travellers and flight crew "a bunch of c***s", a court has heard.

Kujo Frei, 24, kicked off when another passenger "left a mess" in the toilets of the Virgin Atlantic flight from Delhi to Heathrow on March 17.

He abused another couple in front of him and stuck chewing gum to one of their jackets when they asked him to stop kicking their seats and swearing.

Frei also harassed cabin crew when they moved two passengers into first-class to get away from him, demanding that he and his girlfriend be moved instead.

One stewardess said he was "obnoxious" but she feared he would turn violent if the flight took any longer.

Kujo Frei
Kujo Frei called cabin crew 'a bunch of c***s' when he and his girlfriend weren't moved up to first class

He pleaded guilty to failing to obey a pilot's order after failing to sit down when the seatbelt sign was turned on and three counts of using insulting language to cause distress at Ealing Magistrates’ Court in west London today.

In a witness statement, customer service manager Lindsay Spalding said Frei stormed into the first-class bar area because two passengers had been moved.

She said: "He was extremely aggressive and said he was being victimised as he had an altercation with another customer but they had moved him instead of them.

"He called my colleague and I "a bunch of c***s", I went down to the economy cabin and he stood in the aisle shouting at customers sitting near him.

"His eyes were very wide, at times he seemed confused, then he became angry. He called me a c*** and an a***hole. He told me he would make my life hell and would get me sacked as his girlfriend had a sister very high up in Virgin.

"I asked him to return to his seat, he replied 'make me'. Then he told me I was a nasty person and s*** at my job."

Virgin Atlantic
He became enraged when another passenger 'left a mess' in the toilet of the plane he was travelling in from Delhi, India to Heathrow Airport

Stewardess Sarah Ward said Frei had shouted at a passenger for leaving "a mess" in the toilet and was shouting at him from across the aisle.

She said: "During the whole incident he made me feel nervous to the point I was shaking. I felt strongly we weren't going to land safely.

"In all my flying career, he is one of the most obnoxious passengers I have ever had to encounter."

Kujo Frei
Frei, 24, from Camden, north London, also spat at a fellow passenger who asked him to stop swearing

Passenger John Grenville said he and his wife were sitting directly in front of Frei and his girlfriend during the flight.

He said he noticed the pair swearing as they had a "loud whispered argument" and Frei kept getting up which was pushing into his wife's seat.

Grenville said: "I asked him to please stop swearing, he threatened me and said 'what are you going to do about it you old c***?'"

The passenger said Frei also told him to "f*** off" and stopped the drinks trolley from moving down the aisle saying "I will move when I feel like it".

Grenville said: "The man called me a 'f***ing c***' and 'f**ing w***er' and he repeatedly and deliberately pushed the back of our seats.

"He then blew or spat on my head. He went into the overhead locker and deliberately dropped his bag hard just missing my wife's head. He sat behind me and prodded in the gap between the seats whispering loudly 'you c***'.

"My wife later noticed he had stuck chewing gum on the back of my jacket."

Chair of the bench Darshan Sachdev adjourned sentencing for a report to be prepared by probation services, adding: "We are going to leave all options open."

Frei, of South End Road, Camden, north London, will be sentenced next month.