Time to be Introduced to NextGen Test Flights

The element of time will be introduced in flight demonstrations by FAA and Embry Riddle.
The systems that manage flights today employ three dimensions: altitude, latitude and longitude. A fourth dimension time will be introduced in demonstrations beginning later this year under a new agreement reached between FAA and Embry Riddles aviation consortium. The new technology, called 4D trajectory based operations, will optimize an aircrafts flight path through its entire flight or trajectory by adding the element of time. Time, in this case, means the ability of an aircraft to cross a specific navigation fix at a specific time. This type of precision knowing an aircraft will be where its supposed to be at a certain time will improve efficiency and capacity in the nations skies. It also gets to the heart of the Next Generation Air Transportation System: moving aircraft from Point A to Point B with greater efficiency, saving time, money and fuel. Beginning in the fall, flight demonstrations of the new flight management system in 4D trajectory based operations will help determine how well aircraft avionics predict and execute the optimum trajectory of an aircraft while sharing the information with ground systems. Data collected from flight management systems will help us understand how well aircraft systems are able to compute the most efficient path between Point A and Point B and their ability to comply with time constraints The new technology is expected to be used on flights in medium-density markets such as Orlando. These 4D trajectory based operations will help us determine the impact on traffic capacity and efficiency of operations.
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