Method of detecting elevator tab failure
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Apr 14, 2016
filing date -
Apr 14, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method is provided for verifying proper operation of a left elevator tab disposed at an end portion of a left elevator of an aircraft and a right elevator tab disposed at an end portion of a right elevator of the aircraft. Because proper operation of the elevator tabs cannot be directly verified by existing aircraft instrument, the operation of the elevator tabs can be indirectly verified by analyzing flight data of the aircraft. After identification of a verification event, in which the elevator tabs move relative to the elevators, the positions of the left elevator and right elevator can be measured, and differences in the positions of the left elevator and right elevator can indicate proper operation of the left and right elevator tabs.
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