Abstract: A backup flight control system for controlling the flightpath of a multi-engine airplane using the main drive engines. The backup flight control system comprises an input device for generating a control command indicative of a desired flightpath, a feedback sensor for generating a feedback signal indicative of at least one of pitch rate, pitch attitude, roll rate and roll attitude, and a control device for changing the output power of at least one of the main drive engines on each side of the airplane in response to the control command and the feedback signal.
Type:
Grant
Filed:
May 28, 1992
Date of Patent:
July 19, 1994
Assignee:
The United States of America as represented by the Administrator of National Aeronautics and Space Administration
Inventors:
Frank W. Burcham, Glenn B. Gilyard, Joseph L. Conley, James F. Stewart, Charles G. Fullerton