A commercial plane took off with 2 missing windows and reached 10,000 feet before anyone realized there was a problem

• An Airbus A321 took off from London Stansted Airport with missing window panes.
• The plane climbed more than 10,000 feet before anyone realized there was a problem.
• The AAIB said a filming event the day before, which used high-power lights, might be to blame.

A commercial plane took off with two missing window assemblies and reached more than 10,000 feet before anyone realized something was wrong, the Air Accidents Investigation Branch said.

The incident, which involved an Airbus A321, was the subject of a special bulletin released by the AAIB last week detailing events that took place on October 4.