Communications: electrical – Aircraft alarm or indicating systems – Landing gear indicator
Reexamination Certificate
2011-05-17
2011-05-17
Trieu, Van T. (Department: 2612)
Communications: electrical
Aircraft alarm or indicating systems
Landing gear indicator
C340S945000
Reexamination Certificate
active
07944372
ABSTRACT:
A tip alarm system for an aircraft having a nose landing gear (NLG) includes a sensor having first and second parts respectively disposed on first and second portions of the NLG that are respectively fixed to the aircraft and moveable relative to the fixed portion and operable to detect the position of the first and second portions relative to each other and to produce a tip alarm signal when the first and second NLG portions are disposed at a selected position relative to each other corresponding to an imminent aircraft tipping condition and thereby prevent the aircraft from tipping back onto the ground due to improper loading of the aircraft.
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Collen Brian L.
Fossen Ralph E.
Gouette Geoffrey E.
Merrick James M.
Piroozmandi Farid
Haynes & Boone LLP.
The Boeing Company
Trieu Van T.
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