The optimized profile descent is an example of one of the many NextGen technologies
under development to modernize and increase the efficiency of the national airspace …

To enable arriving aircraft to fly optimized descents computed by the flight management
system (FMS) in congested airspace, ground automation must accurately predict descent …

The full benefits of Area Navigation arrival procedures are achieved when they are
performed without interruption. However, current separation minima or miles-in-trail …

The use of continuous descent approaches (CDAs) has been discussed numerous times in
recent years and has even seen limited demonstrations and implementations in the US and …

SEVERAL advanced noise abatement procedures (ANAPs) have been developed,
evaluated, and continuously improved over the last few years. These include the continuous …

The full benefits of Continuous Climb Operations (CCO) are realised when CCO are
performed without interruption. However, CCO require safe departures that necessarily …

Interval Management (IM) is a concept being developed as a part of the Next Generation Air
Transportation System (NextGen) and Single European Sky ATM Research (SESAR). The …

Aircraft noise is a significant concern to communities near airports, and therefore a constraint
to the growth of aviation. Advanced noise abatement approach and arrival procedures have …

Researchers at the NASA Langley Research Center are developing the airborne precision
spacing (APS) concept to increase runway arrival throughput at capacity-constrained …

Abstract The Next Generation Air Transportation System (NextGen) presents many important
challenges that require the development and use of Cyber-Physical System (CPS) …