Vision Impairment and Corrective Considerations of Civil Airmen
FEDERAL AVIATION ADMINISTRATION WASHINGTON DC OFFICE OF AVIATION MEDICINE
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Civil aviation is a major commercial and technological industry in the United States. The two major components of civil aviation activities are air carrier and general aviation. An estimated 278,000 peopleday rely on air carriers for business and personal travel. As of 1991, there were approximately 6,054 air carrier aircraft, which include commercial air carrier operators, commuter air carriers, and air taxis. Aircraft types include jet, turboprop, piston, and rotary wing aircraft helicopters, which flew an estimated 13.5 million flight hours. Besides the flight crew members, many aviation-related professionals maintenance, flight line, airport support staff, etc., who may never pilot an aircraft, depend on the air transport industry for supporting themselves and their families.
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