While progress in aviation provides greater speed in travel and comfort, it introduces a noise hazard which if not recognized and understood can cause deafness. Until recently the noise of jet engines has been a problem associated primarily with the military air bases and experimental airfields of plane manufacturers. Since commercial aviation has entered the age of jet powered aircraft, the noise of jets will have some effect on many other persons, such as travelers, crew members, and ground personnel. Probably several million persons living very near airports will notice differences between the noise of jet aircraft and that of conventional propeller airplanes. Although these persons may complain of the noise, they are not likely to be deafened because the sound intensity will be lower than the hazardous levels.
Several thousand persons in the United States work at airports. The so-called ramp personnel, those who work outside and inside the
NOISE OF JET ENGINES MAY BE A HAZARD. JAMA. 1959;169(14):1629. doi:10.1001/jama.1959.03000310081018
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