United Airlines Flight 389 in the context of O'Hare International Airport

⭐ Core Definition: United Airlines Flight 389

United Air Lines Flight 389 was a scheduled flight from LaGuardia Airport, New York City, New York, to O'Hare International Airport, Chicago, Illinois. On August 16, 1965, at approximately 21:21 EST, the Boeing 727 crashed into Lake Michigan 20 miles (17 nmi; 32 km) east of Fort Sheridan, near Lake Forest, while descending from 35,000 feet (11,000 m) mean sea level (MSL). There was no indication of any unusual problem prior to impact. All 30 persons aboard, including six crew members and 24 passengers, were killed.

A definitive cause was not determined by National Transportation Safety Board (NTSB) investigators. However, it was believed that the crash was most likely the result of the pilots misreading their three-pointer (3p) altimeters by 10,000 feet.

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United Airlines Flight 389 in the context of Pilot error

In aviation, pilot error generally refers to an action or decision made by a pilot that is a substantial contributing factor leading to an aviation accident. It also includes a pilot's failure to make a correct decision or take proper action. Errors are intentional actions that fail to achieve their intended outcomes. The Chicago Convention defines the term "accident" as "an occurrence associated with the operation of an aircraft [...] in which [...] a person is fatally or seriously injured [...] except when the injuries are [...] inflicted by other persons." Hence the definition of "pilot error" does not include deliberate crashing (and such crashes are not classified as accidents).

The causes of pilot error include psychological and physiological human limitations. Various forms of threat and error management have been implemented into pilot training programs to teach crew members how to deal with impending situations that arise throughout the course of a flight.

View the full Wikipedia page for Pilot error

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