An aircraft control system , comprising: a set of sensors , gauges and positioning component that measure and estimate state of an aircraft, including a line-of-sight distance from the aircraft to a ground noise restriction location or to a geographical point of interest; a processor configured to execute the following computer executable components stored in a memory : a mapping component that maps noise-restricted areas of a flight path defined by relative position of the aircraft to ground noise restriction locations; and a noise abatement component that computes an optimal flight and an engine control of the aircraft in a noise abatement volume, based on the line-of-sight distance from the aircraft, wherein the aircraft operates at the optimal flight and the engine control in the noise abatement volume, thereby to minimize direct operating cost (DOC) while obeying noise constraints; wherein the noise abatement component constrains an admissible control of the aircraft to comply with noise regulations, wherein the admissible control is a control history that accurately complies with operational and performance constraints of the aircraft; wherein speed through the noise abatement volume is determined based on thrust that is constrained to comply with noise regulation. a set of sensors , gauges and positioning component that measure and estimate state of an aircraft, including a line-of-sight distance from the aircraft to a ground noise restriction location or to a geographical point of interest; a processor configured to execute the following computer executable components stored in a memory : a mapping component that maps noise-restricted areas of a flight path defined by relative position of the aircraft to ground noise restriction locations; and a noise abatement component that computes an optimal flight and an engine control of the aircraft in a noise abatement volume, based on the line-of-sight distance from the aircraft, wherein the aircraft operates at the optimal flight and the engine control in the noise abatement volume, thereby to minimize direct operating cost (DOC) while obeying noise constraints; wherein the noise abatement component constrains an admissible control of the aircraft to comply with noise regulations, wherein the admissible control is a control history that accurately complies with operational and performance constraints of the aircraft; wherein speed through the noise abatement volume is determined based on thrust that is constrained to comply with noise regulation. a mapping component that maps noise-restricted areas of a flight path defined by relative position of the aircraft to ground noise restriction locations; and a noise abatement component that computes an optimal flight and an engine control of the aircraft in a noise abatement volume, based on the line-of-sight distance from the aircraft, wherein the aircraft operates at the optimal flight and the engine control in the noise abatement volume, thereby to minimize direct operating cost (DOC) while obeying noise constraints; wherein the noise abatement component constrains an admissible control of the aircraft to comply with noise regulations, wherein the admissible control is a control history that accurately complies with operational and performance constraints of the aircraft; wherein speed through the noise abatement volume is determined based on thrust that is constrained to comply with noise regulation. <EOS>