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Simsbury, CT, United States

This invention relates to a computer network for calculating the true aircraft cornering friction coefficient of an aircraft runway or taxiway using the data collected by and available in the aircraft Flight Data Recorder (FDR) or other flight data management system, for example, the Quick Access Recorder (QAR). The invention may optionally distribute to personnel in the ground operations of an airport and airline operations, including but not limited to aircraft pilots, airline operation officers and airline managers as well as airport operators, managers and maintenance crews, the most accurate and most recent information concerning the true aircraft cornering friction coefficient to aid in making better and more accurate safety and economical decisions.


A computer network for calculating a value for the true braking coefficient of friction for an aircraft runway or taxiway using data from one or more aircrafts flight data recorders or flight data management systems, and reporting the calculated value information to individuals and agencies including air traffic control, airport operations and maintenance, and aircraft pilots and ground crews is described and claimed herein. The data may be obtained in real-time by either an onboard or an off-aircraft high-power computing system, calculating the aircrafts true braking coefficient of friction, and reporting the calculated information to the individuals and agencies.


A method and apparatus for calculating a standardized value for the actual runway braking coefficient of friction of one or more arriving aircraft using data from each aircrafts flight data recorder or flight data management system, standardizing the calculated information to provide redundancy and to make it usable by subsequently arriving aircraft, and reporting the calculated standardized value information to individuals and agencies including air traffic control, airport operations and maintenance, and aircraft pilots and ground crews; and A method and apparatus for calculating the actual runway braking coefficient of friction of an aircraft using data from the aircrafts flight data recorder or flight data management system, transmitting the data in real-time to an off-aircraft high-power computing system, calculating off-aircraft the landing aircrafts actual runway braking coefficient of friction, and reporting the calculated information to individuals and agencies including air traffic control, airport operations and maintenance, and aircraft pilots and ground crews.


Patent
Safety Technologies | Date: 2013-01-17

A cutting apparatus is described, capable of cutting hard materials including asphalt and concrete. The cutting apparatus is particularly well suited for attachment to a skid steer or other transportation implement. When attached to a skid steer the apparatus includes a frame that allows the cutting system to slide from side to side, slide up and down, or rotate about a vertical axis while held in a cutting position by the skid steer boom. The cutting apparatus also includes an airflow member that affectively creates an air turbulence to thereby confine debris and dust within a shroud and to direct the debris and dust against a surface of the shroud to a localized exit at a minimized velocity.


This invention relates to a computer network for calculating and distributing the true braking coefficient of aircraft on runways and taxiways using, in part, the aircraft itself, by utilizing dynamic aircraft properties recorded on and obtained from the aircrafts flight data management system. Environmental and aircraft parameters may also be used to calculate the braking friction coefficient. A computer and network are used to obtain data and to calculate the friction coefficient, and may be used to distribute the result. The network may utilize, at least in part, wireless local area networks to facilitate data transfer and distribution of the result. The computer for calculating the braking coefficient may be located on the aircraft.

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