Haden Pentecost, 41 – who was described as agitated, sweating and babbling – had to be stood down by the flight’s manager when he failed to help with any pre-flight safety checks.

After complaining of stomach cramps and saying he needed to change his clothes, the air steward locked himself in one of the plane’s bathrooms.

When he opened the door, his colleague found him naked and oblivious to the fact he had no clothes on. She had to dress him before moving him into a free seat, the court was told.

Pentecost appeared at Uxbridge Magistrates’ Court on Friday where he pleaded guilty to performing an aviation function while impaired by drugs.

The flight attendant was spoken to by the captain before a health professional was called for, magistrates were told.

He had dilated pupils, a high

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