[HTML][HTML] Time-based-fuel-efficient aircraft descents: Thrust-idle descents along re-negotiated routes vs. powered descents along published routes

R Sáez, X Prats - Transportation Research Part D: Transport and …, 2023 - Elsevier
We address the situation where required times of arrival (RTAs) are assigned outside the
feasible time window that allows aircraft to fly energy-neutral continuous descent operations …

Controlled time of arrival windows for already initiated energy-neutral continuous descent operations

R Dalmau, X Prats - Transportation Research Part C: Emerging …, 2017 - Elsevier
Continuous descent operations with controlled times of arrival at one or several metering
fixes could enable environmentally friendly procedures without compromising terminal …

Optimization of aircraft climb trajectory considering environmental impact under RTA constraints

J Wan, H Zhang, F Liu, W Lv… - Journal of Advanced …, 2020 - Wiley Online Library
In order to realize the concept of air traffic sustainable operation, taking the aircraft climbing
stage as an example, firstly, we establish the vertical trajectory model of aircraft climbing …

Optimal assignment of 4D close-loop instructions to enable CDOs in dense TMAs

R Sáez, R Dalmau, X Prats - 2018 IEEE/AIAA 37th Digital …, 2018 - ieeexplore.ieee.org
Continuous descent operations (CDOs) with required times of arrival (RTAs) represent a
potential solution to reduce the environmental impact in terminal maneuvering areas without …

Comparison of fuel consumption of continuous descent operations with required times of arrival

R Sáez García… - ICRAT 2020: papers & …, 2020 - upcommons.upc.edu
Continuous descent operations (CDOs) with required times of arrival (RTAs) have proven to
deliver major environmental benefits in terminal maneuvering areas (TMAs) without …

Research on Fuel-Saving and Environmentally Friendly Approach Trajectory Considering Air Traffic Management Intention

Y Jie, P Yang, G Yuxue - Journal of Aircraft, 2024 - arc.aiaa.org
Civilian aviation continues to contribute significantly to the total economic and environmental
impact of aeronautics. Reduction of the fuel burn and environmental impact of civilian …

Transit passenger-oriented optimisation of arrival aircraft sequencing

S Demirel - The Aeronautical Journal, 2025 - cambridge.org
This study presents a model that aims to optimise the sequencing arrival aircraft around the
terminal manoeuvring area (TMA). The model considers the transit passenger counts of …

A path stretching model for effective terminal airspace management

RK Cecen - International Journal of Aeronautical and Space …, 2022 - Springer
This study presents a mathematical model to optimize the total fuel consumption per aircraft
for the aircraft landing problem (ALP) using the path stretching (PS) method. The PS model …

Comparison of RECAT-EU and ICAO wake turbulence category on the Point Merge System

S Demirel - The Aeronautical Journal, 2023 - cambridge.org
This study presents a mathematical model that schedules arrival aircraft regarding RECAT-
EU that is new categorisation for applying separation minima and analyses its effect on the …

Flight performance optimization considering environmental impact under multi-RTA constraints

R Gu, J Yuan, X Han, Z Wei, N Li - International Journal of Aeronautical …, 2019 - Springer
To optimize the flight performance under multi-waypoint required time of arrival constraints,
characteristics of the vertical flight trajectory during the en route descent process are studied …