Methods and systems for operating aircraft landing gears

A method for retracting a landing gear of an aircraft during takeoff, the method comprising:

• receiving a first signal during movement of the aircraft down a runway, the first signal corresponding to at least a first aspect of motion of the aircraft;
• in response to receiving the first signal, initiating movement of a landing gear door to an open position from a closed position in which the landing gear door at least partially covers a landing gear well;
• receiving a second signal after the aircraft has lifted off of the runway, the second signal corresponding to at least a second aspect of motion of the aircraft different from the first aspect of motion;
• and
• in response to receiving the second signal, initiating movement of the landing gear from an extended position to a retracted position in which the landing gear is at least partially positioned in the landing gear well.

A method for retracting a landing gear of an aircraft during takeoff, the method comprising:

• detecting upward motion of the aircraft as it moves down a runway;
• in response to detecting the upward motion of the aircraft, initiating movement of a landing gear door to an open position from a closed position in which the landing gear door at least partially covers a landing gear well;
• after initiating movement of the landing gear door, receiving a request to retract the landing gear;
• and
• in response to receiving the request to retract the landing gear, initiating movement of the landing gear from an extended position to a retracted position in which the landing gear is at least partially positioned in the landing gear well.

A computer-readable medium including instructions configured to cause a controller to retract a landing gear of an aircraft during takeoff, the controller retracting the landing gear by a method comprising:

• while the aircraft is moving down a runway, initiating movement of a landing gear door to an open position from a closed position in which the landing gear door at least partially covers a landing gear well;
• after initiating movement of the landing gear door, receiving a request to retract the landing gear;
• and
• in response to receiving the request to retract the landing gear, initiating movement of the landing gear from a extended position to a retracted position in which the landing gear is at least partially positioned in the landing gear well.

A system for retracting a landing gear of an aircraft, the system comprising:

• means for initiating movement of a landing gear door from a closed position to an open position while the aircraft is moving down a runway, wherein the landing gear door at least partially covers a landing gear well when the landing gear door is in the closed position;
• means for receiving a request to retract the landing gear after initiating movement of the landing gear door;
• and
• means for initiating movement of the landing gear from a extended position to a retracted position in response to receiving the request to retract the landing gear, wherein the landing gear is at least partially positioned in the landing gear well when the landing gear is in the retracted position.

An aircraft system comprising a controller configured to be operably coupled to a landing gear door and a landing gear of an aircraft, the landing gear being movable between an extended position and a retracted position, the landing gear door being movable between a closed position and an open position, wherein the controller is configured to retract the landing gear by a method comprising:

• receiving a first signal during movement of the aircraft down a runway, the first signal corresponding to at least a first aspect of motion of the aircraft;
• in response to receiving the first signal, initiating movement of the landing gear door from the closed position to the open position;
• receiving a second signal separate from the first signal after the aircraft has lifted off of the runway the second signal corresponding to at least a second aspect of motion of the aircraft;
• and
• in response to receiving the second signal, initiating movement of the landing gear from the extended position to the retracted position.