SAFE TAKEOFF MONITORING SYSTEM
First Claim
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1. A safe takeoff monitoring system for an airplane, the system comprising:
- sensors onboard the airplane that detect parameters relating to airplane weight; and
an automatic processor operatively coupled to the sensors, the automatic processing system continually computing parameters including distance required for stopping the airplane from its present position, the automatic processor conditionally issuing a warning to the pilot to abort takeoff if the remaining distance on the runway is adequate to stop the airplane and the actual airplane speed is below VR.
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Abstract
A safe takeoff monitoring system checks the actual physical parameters of an airplane during takeoff, determines the actual takeoff weight, and warns the pilot to interrupt the takeoff if any dangerous situation is developing, before a high energy abort is necessary.
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Citations
21 Claims
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1. A safe takeoff monitoring system for an airplane, the system comprising:
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sensors onboard the airplane that detect parameters relating to airplane weight; and an automatic processor operatively coupled to the sensors, the automatic processing system continually computing parameters including distance required for stopping the airplane from its present position, the automatic processor conditionally issuing a warning to the pilot to abort takeoff if the remaining distance on the runway is adequate to stop the airplane and the actual airplane speed is below VR. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A safe takeoff monitoring method for an airplane, the method comprising:
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sensing using electronic sensors onboard the airplane; using at least one processor, continually computing parameters in response to the sensing, including distance required for stopping the airplane from its present position, and using the at least one processor, issuing a warning to the pilot to abort takeoff if the remaining distance on the runway is adequate to stop the airplane and the actual airplane speed is below VR. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A safe takeoff monitoring system for an airplane, the system comprising:
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sensors onboard the airplane that detect parameters relating to airplane weight; a pilot-interface system, a take-off data consistency checker, a calculation unit including a thrust calculator, equivalent air speed calculator and airplane weight calculator, a VR calculation unit that calculates minimum VR, determines instantaneous distance to VR, calculates data from VR to V35, and applies safety criteria, an available climb capability calculator, a stopping distance calculator, a brake energy calculator, and a pilot warning system operatively coupled to the above-mentioned calculators that conditionally issues a warning to the pilot to abort takeoff if the remaining distance on the runway is adequate to stop the airplane and actual airplane speed is below VR.
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20. A safe takeoff monitoring system for an airplane, the system comprising:
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sensors onboard the airplane that detect parameters relating to airplane weight; means for providing a pilot-interface, means for checking take-off data consistency, means for calculating thrust, means for calculating equivalent air speed, means for calculating airplane thrust to weight ratio, VR calculation means for calculating minimum VR, determining instantaneous distance to VR, calculating data from VR to V35, and applying safety criteria, means for calculating available climb capability, means for calculating a stopping distance, means for calculating brake energy, and a pilot warning unit operatively coupled to the above-mentioned means that conditionally issues a warning to the pilot to abort takeoff if the remaining distance on the runway is adequate to stop the airplane and actual airplane speed is below VR. - View Dependent Claims (21)
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Specification