Method and apparatus to overcome aircraft control problems...

Details Method and apparatus to overcome aircraft control problems... Method and apparatus to overcome aircraft control problems...

G - Physics

05

D

343/118, 73/168,

G05D 1/08 (2006.01) G05D 1/06 (2006.01) G05D 1/12 (2006.01)

Patent

CA 1092690

ABSTRACT OF THE DISCLOSURE The inventive system requires that normal approach indicated airspeed and a predetermined approach groundspeed be used as the approach criteria, whichever is the least, compared to its own predetermined index value. These two values are the commanding functions fed to a fast/slow indicator and to any auto-throttle device on the approach, along with a "caution tailwind" warning device to warn the pilot whenever the groundspeed exceeds true airspeed by 5 knots or more, for example. If this warning activates, he should consider cancelling the approach and choose an approach from a different direction, determined by surface wind and his drift at the time of cancellation. This condition is caused by a tailwind component at altitude, the value of which the pilot can determine from his airspeed and groundspeed indications.

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