Ge Aviation Systems Limited

Taleris Global Llp

Christopher Joseph Catt

Julia Ann Howard

Robert William Horabin

Frank Beaven

Mark John Robbins

Brian David Larder

Johan Arnold Smit

A method of diagnosing an auxiliary power unit fault in an aircraft having an auxiliary power unit and multiple sensors related to the auxiliary power unit, components thereof, and systems related thereto, including receiving a sensor signal from at least one of the multiple sensors to define a sensor output, comparing the sensor output to a reference value and diagnosing a fault in the auxiliary power unit based on the comparison.

Method for diagnosing an auxiliary power unit fault

A method of diagnosing a speed brake fault, where the method includes receiving a position signal from the at least one position sensor, determining a variation in the position signal relative to a reference position and diagnosing a fault in the speed brake system based on the variation.

Method for diagnosing a speed brake system fault

Methods of predicting a speed brake fault in an aircraft having a speed brake system including multiple control surfaces, a handle for setting the position of the multiple control surfaces, and at least one control surface position sensor, the methods include receiving a position signal from the at least one position sensor, determining a variation in the position signal and predicting a fault in the speed brake system.

Methods for predicting a speed brake system fault

A method of predicting an auxiliary power unit fault in an aircraft having an auxiliary power unit and multiple sensors related to the auxiliary power unit, components thereof, and systems related thereto, including receiving a sensor signal from at least one of the multiple sensors to define a sensor output, comparing the sensor output to a reference value and predicting a fault in the auxiliary power unit based on the comparison.

Method for predicting an auxiliary power unit fault

A method of diagnosing a trailing edge flap fault in an aircraft having a trailing edge flap system including multiple trailing edge flaps, a flap handle for setting the position of the trailing edge flaps, and a flap position sensor, the method includes receiving a position signal, determining a variation in the position signal relative to a reference position, diagnosing a fault, and providing an indication of the diagnosed fault.

Method for diagnosing a trailing edge flap fault

A method of predicting a trailing edge flap failure, the method includes receiving a position signal from the position sensor indicative of the position of at least one of the trailing edge flaps, comparing the position signal to a reference position value to define a position comparison, defining a variation comparison and providing an indication of a prediction of a trailing edge flap failure based on the variation comparison.

Method for predicting a trailing edge flap fault

A method of predicting a horizontal stabilizer system fault in an aircraft, where the method includes receiving data relevant to a characteristic of the pitch of the aircraft during flight, comparing the received data to a reference pitch characteristic, predicting a fault in the horizontal stabilizer system based on the comparison, and providing an indication of the predicted fault.

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Southampton, United Kingdom

Christopher Joseph Catt