A Loganair flight was forced to make a U-turn and return to Edinburgh Airport after declaring an in-flight emergency.
The crew followed safety protocol after they were alerted to a fault with one of the pressurisation components on the aircraft.
The passengers on board the 7.02am flight to Southampton were taken off the plane after landing back in Scotland and have been kept at the airport for more than three hours.
One of the passengers told STV News the LM321 service, which was due to land in Southampton at 8.20am, began to turn back around 20 minutes into the flight.
She said the crew on board were “brilliant”, adding: “The captain kept us all updated and the cabin crew kept us all safe and calm.”
However, on their return to the airport she said they have been kept in the dark.
The passenger added: “There was 13 of us on board and we are all together in the airport at the moment. It is just frustrating – they aren’t telling us anything, but we can overhear them talking.
“We have been in the airport now for nearly three hours and we have been given no update from the ground staff.
“I just think the way we are being treated in the airport at the moment is awful.”
Maurice Boyle, Loganair’s chief operations officer, apologised for the inconvenience.
He said: “Following an alert of a fault with one of the pressurisation components on flight LM321 to Southampton, the crew carried out the appropriate actions and returned to Edinburgh Airport.
“We regret the inconvenience caused to our customers.
“Flight safety is our top priority and we’re grateful to all parties involved including Edinburgh Airport for their support and assistance.”