Before takeoff: The first chime occurs during taxiing, as the plane prepares for takeoff. Passengers often hear the announcement: “Flight attendants, prepare for departure.” This sound signals ...

The first time as we're taxiing out and you'll hear the announcement - 'flight attendants prepare ... revealing he'll sound the chime again as the aircraft reaches 10,000ft in the air.

Stephen Huba Sunday, July 7, 2019 5:00 p.m. | Sunday, July 7, 2019 5:00 p.m. Ten months after the dedication of the Flight 93 ... has been the chimes and their ability to sound the proper notes ...

The third chime, which the pilot will ring out towards the end of the flight, occurs when the plane is about to descend past 10,000 feet. After broadcasting the announcement “flight attendants ...