The noise in a typical Ford Tri-Motor during takeoff was nearly 120 decibels, loud enough to cause permanent hearing loss.
Noise was a problem in early airliners. To communicate with passengers, cabin crew often had to resort to speaking through small megaphones to be heard above the din of the engines and the wind. The noise in a typical Ford Tri-Motor during takeoff was nearly 120 decibels, loud enough to cause permanent hearing loss.