Accounts of disastrous flights, including one to Hawaii that took a sinister turn when a passenger saw an engine falling apart before his eyes. A holidaymaker relives the horror of his plane attempting to land at Heathrow, not once, but twice, in 100mph winds. while a trip to Egypt entails an epic 36-hour delay. With contributions from Jeremy Spake, flight safety expert Dai Whittingham and travel presenter Lucy Hedges.