A pilot suffered a heart attack as he taxied to the runway at Glasgow Airport.
The captain of the KLM aircraft became unwell as he was about to leave for Amsterdam.
He was resuscitated by the crew with the help of an on-board passenger.
Firefighters from Glasgow Airport helped take the Dutch pilot off the plane. He was met by ambulance crews and taken to the Golden Jubilee Hospital in Clydebank.
The co-pilot of the plane, which had 128 people on board, took the aircraft back to the gate.
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The flight was supposed to leave at around 5pm local time, but because of the emergency it was cancelled. Passengers on board had their flights re-booked.
The pilot is in hospital in a stable condition.
