Aviation Systems Division Publications

Advanced Air Mobility (AAM)

2025

Flight Modeling and Trajectory Prediction for Diverse Applications
Michael Abramson, Scott Sahlman
NASA Technical Memorandum, May 2025

Provider of Services for Urban Air Mobility (PSU) Prototype Simulation (X5) Final Report
Hanbong Lee, Alan G. Lee, Chin H. Seah, Chu Han Lee, Kushal Moolchandani
NASA Technical Memorandum, February 2025

2024

Evaluation of Initial and Midterm Air Traffic Procedures for Urban Air Mobility Operations
Savita Verma, Jillian Keeler, Megan Shyr, Gabriela Rosado Torres, Richard Mogford, Eric Mueller, Thomas Prevot, Christabelle Bosson, Rania Ghatas, Amir Farrahi, Robert Wood
NASA Technical Memorandum, December 2024

Flight Test Evaluation of Autonomous Descending-Decelerating Precision Point-in-Space Approach to the Ground
David Zahn, Gayle Patterson, Ethan Williams, Sarah Eggum, Tyler Fettrow
Digital Avionics Systems Conference (DASC), September 2024

Development of Candidate Airspace Procedures for Urban Air Mobility in the Dallas Area
Rania Ghatas, Richard Mogford, Savita Verma, Robert Wood, Gabriela Rosado Torres, Amir Farrahi
Digital Avionics Systems Conference (DASC), September 2024

Predictive Workload Model for Air Traffic Controllers during UAM Operations
Megan Shyr, Amir Farrahi, Savita Verma
Digital Avionics Systems Conference (DASC), September 2024

Subjective Assessment of Initial and Mid-Term UAM Operations and the Impact on Air Traffic Controllers’ Workload
Gabriela Rosado Torres, Savita Verma, Rania Ghatas, Richard Mogford, Megan Shyr
Digital Avionics Systems Conference (DASC), September 2024

Quantifying Effects of Departure and Flight Time Uncertainty on Urban Air Mobility Operations
Rishabh Bhandari, Hanbong Lee, Kushal Moolchandani
Digital Avionics Systems Conference (DASC), September 2024

Demand-Capacity Balancing Algorithms for Urban Air Mobility Operations
Kushal Moolchandani, Hanbong Lee
Digital Avionics Systems Conference (DASC), September 2024

Passenger-Oriented Total Mobility Using Digital Engineering (PAX Mobility): Opportunity Concept Report (OCR)
Husni Idris, David Wagner, Malina Slizik, Abigail Glenn-Chase
Opportunity Concept Report, August 2024

Analysis of Hybrid Electric Aircraft Operations in the National Airspace System
Robert Windhorst, Todd Lauderdale, Andrew Cone, Robert Fong, Kee Palopo, Dahlia Pham, James Phillips
AIAA Aviation Forum, July 2024

Flight Test Evaluation of Automation-Induced Oscillations
David Zahn, Gayle Patterson, Paul Sampson, Saravanakumaar Ramia, Wayne Ringelberg, Adam Yingling, Sarah Eggum
AIAA Aviation Forum, July 2024

Analysis of Traffic Flow in Structured Urban Airspace Networks with MFD-based Feedback Control
Kenny Chour, Pouria Razzaghi, Dhriti Verma, Min Xue, Alexey Munishkin, Krishna Kalyanam
AIAA Aviation Forum, July 2024

Evaluation of Initial and Mid-Term Air Traffic Procedures for Urban Air Mobility Operations
Savita Verma, Richard Mogford, Megan Shyr, Amir Farrahi, Robert Wood, Gabriela Torres, Jillian Keeler, Eric Mueller, Christabelle Bosson, Thomas Prevot, Rania Ghatas
AIAA Aviation Forum, July 2024

Simulated Evaluation of Strategic Conflict Management Capabilities for Urban Air Mobility Operations
Hanbong Lee, Alan Lee, Levin Guillermo, Chin Seah, Kushal Moolchandani
AIAA Aviation Forum, July 2024

eVTOL Vehicle-Agnostic Instrument Flight Procedures Test Plan
David Zahn, Sarah Eggum, Andrew Guion
Flight Test Plan, March 2024

2023

Building a Performance Comparison Framework for Urban Air Mobility Airspace Management Concepts
Rabeb Abdellaoui, Fares Naser, Izabela Stasicka, Hanbong Lee, Kushal Moolchandani
Digital Avionics Systems Conference (DASC), October 2023

A Concept of Operations for Power Beaming of Electric Air Vehicles
Kapil Sheth, Seth Schisler, Todd Stinchfield, Robert Winsor, Hayden Klopp, Geoffrey Landis, Lee Kohlman, David Pike
Digital Avionics Systems Conference (DASC), October 2023

Trajectory Generation Based on Power for Urban Air Mobility
Russell Paielli
NASA Technical Memorandum, October 2023

Energy Augmentation for Vehicle Electric Systems (EAVES)
Kapil Sheth, Todd Stinchfield, Seth Schisler, Nhan Nguyen, Corey Ippolito, David Pike, Thomas Lavelle, Garry Qualls
NASA Technical Memorandum, August 2023

VAMOS! A Regional Modeling and Simulation System for Vertiport Location Assessment
Kapil Sheth
AIAA Aviation Forum, June 2023

Analysis of Electrical Grid Capacity in Major U.S. Metropolitan Areas for Urban Air Mobility
David Thipphavong
AIAA Aviation Forum, June 2023

Estimating Throughput for Urban Air Mobility Operations
Hanbong Lee, Robert Windhorst, Todd Lauderdale, Andrew Cone, Kushal Moolchandani
AIAA Aviation Forum, June 2023

Insights from Data Analysis of Strategic Conflict Management Simulations for Urban Air Mobility Operations
Kushal Moolchandani, Hanbong Lee, Heather Arneson, Annie Cheng, Chin Seah, Levin Guillermo
AIAA Aviation Forum, June 2023

Search for Underutilized Airspace for Extensible Traffic Management Operations Based on Air Traffic Patterns
Jinhua Li, Mix Xue, Paul Lee, Priyank Pradeep
AIAA Aviation Forum, June 2023

A Common Trajectory Language for New Airspace Domains
Russell Paielli
NASA Technical Memorandum, May 2023

Procedure Automation Rating Matrix
David Zahn, Sarah Eggum
NASA Working Paper, May 2023

UAM Instrument Flight Procedure Design and Evaluation in the Joby Flight Simulator
David Zahn, Ryan Naru, Andrew Guion, Sarah Eggum
NASA Working Paper, February 2023

Energy Augmentation Concepts for Advanced Airspace Mobility Vehicles
Kapil Sheth, Nhan Nguyen, Todd Stinchfield, Corey Ippolito, Logan Seth Schisler, David Pike, Thomas Lavelle, Garry Qualls
AIAA SciTech Forum, January 2023

Feasibility Study of Distributed Decision-Making on the Edge for Urban Air Mobility
Aditya Das, Stanley Hicks
AIAA SciTech Forum, January 2023

2022

Wind-Optimal Lateral Trajectories for a Multirotor Aircraft in Urban Air Mobility
Priyank Pradeep, Gano Chatterji, Todd Lauderdale, Kapil Sheth, Chok Fung Lai, Heinz Erzberger, Banavar Sridhar
Frontiers in Aerospace Engineering, November 2022

National Campaign (NC)-1 Strategic Conflict Management Simulation (X4) Community Based Rules
Douglas Isaacson, Annie Cheng, Kevin Witzberger
NASA Technical Memorandum, October 2022

Analysis of Conflicts among Urban Air Mobility Aircraft and with Traditional Aircraft
Huabin Tang, Seungman Lee, Michael Abramson, James D. Phillips
Digital Avionics Systems Conference (DASC), September 2022

A Data Analysis Approach for Simulations of Urban Air Mobility Operations
Kushal Moolchandani, Hanbong Lee, Heather Arneson, Annie Cheng
Digital Avionics Systems Conference (DASC), September 2022

Demand Capacity Balancing at Vertiports for Initial Strategic Conflict Management of Urban Air Mobility Operations
Hanbong Lee, Kushal Moolchandani, Heather Arneson
Digital Avionics Systems Conference (DASC), September 2022

Preliminary Analysis of Separation Standards for Urban Air Mobility using Unmitigated Fast-Time Simulation
Seungman Lee, Michael Abramson, James D. Phillips, Huabin Tang
Digital Avionics Systems Conference (DASC), September 2022

Design and Analysis of Corridors for UAM Operations
Savita Verma, Victoria Dulchinos, Robert D. Wood, Amir Farrahi, Richard Mogford, Megan Shyr, Rania Ghatas
Digital Avionics Systems Conference (DASC), September 2022

Noise Impact Analysis for Urban Air Mobility in Dallas-Fort Worth Metroplex
Hok K. Ng, Jinhua Li, Yun Zheng
AIAA Aviation Forum, June 2022

SimUAM: A Comprehensive Microsimulation Toolchain to Evaluate the Impact of Urban Air Mobility in Metropolitan Areas
Pavan Yedavalli, Emin Burak Onat, Xin Peng, Raja Sengupta, Paul Waddell, Vishwanath Bulusu, Min Xue
AIAA Aviation Forum, June 2022

A 3D Simulation Platform for Decentralized Decision-Making in Advanced Air Mobility
Aditya Das, Stanley Hicks
AIAA Aviation Forum, June 2022

Analysis of Electrical Grid Capacity by Interconnection for Urban Air Mobility
David Thipphavong
AIAA Aviation Forum, June 2022

Near Term Urban Air Mobility Use Cases in the Dallas Fort-Worth Area
Savita Verma, Victoria Dulchinos, Richard Mogford, Robert D. Wood, Amir Farrahi, Rania Ghatas, Eric Mueller, Tom Prevot, Karl Schulz, Kellen Mollahan, Lettitia Clarke, Igor Dolgov, Christabelle Bosson
NASA Technical Memorandum, June 2022

Wind-Optimal Cruise Airspeed for a Multirotor Aircraft in Urban Air Mobility
Priyank Pradeep, Todd Lauderdale, Heinz Erzberger, Gano Chatterji
AIAA SciTech Forum, January 2022

2021

Development of Near-term Urban Air Mobility Routes and Airspace IntegrationJillian Keeler, Savita Verma, Victoria Dulchinos, Robert Wood
NASA Technical Memorandum, December 2021

Trajectory Planning for Mission Survivability of Autonomous Vehicles in Moderately to Extremely Uncertain Environments
Fanruiqi Zeng, Husni Idris, John-Paul Clarke
USA/Europe Air Traffic Management Research and Development (ATM R&D) Seminar, September 2021

Preliminary Evaluation of National Campaign Scenarios for Urban Air MobilityNicholas Craven, Savita Verma, Spencer Monheim, Annie Cheng, Chin Seah, Fred Renema, Amir Farrahi
Digital Avionics System Conference (DASC), September 2021

A Simulation Study of Bin-and-Sort Policies in a Distributed System for Flights Scheduling
Alexander Sadovsky, Robert Windhorst, James Phillips, Yung-Cheng Chu
AIAA Aviation Forum, August 2021

Simulation and Modeling Concepts for Secure Airspace Operations
Banavar Sridhar, Gano Chatterji, Kenneth Freeman
AIAA Aviation Forum, August 2021

Simulation Study for Interoperability of Urban Air Mobility Scheduling and Separation Services in Ideal Conditions
Kushal Moolchandani, Levin Guillermo, Hanbong Lee, Heather Arneson
AIAA Aviation Forum, August 2021

Coordination between Federated Scheduling and Conflict Resolution in UAM Operations
Min Xue
AIAA Aviation Forum, August 2021

Strategic and Tactical Functions in an Autonomous Air Traffic Management System
Robert Windhorst, Todd Lauderdale, Alexander Sadovsky, James Phillips, Yung-Cheng Chu
AIAA Aviation Forum, August 2021

Initial Validation of a Simulation System for Studying Interoperability in Future Air Traffic Management Systems
Robert Windhorst, Shannon Zelinski, Todd Lauderdale, Alexander Sadovsky, Yung-Cheng Chu, James Phillips, Yun Zheng, Tung Nguyen, Joseph D’Amore
AIAA Aviation Forum, August 2021

Noise Exposure Maps of Urban Air Mobility
Jinhua Li, Hok Ng, Yun Zheng, Sebastian Gutierrez
AIAA Aviation Forum, August 2021

Separation at Crossing Waypoints Under Wind Uncertainty in Urban Air Mobility
Todd Lauderdale, Priyank Pradeep, Kay-martin Edholm, Christabelle Bosson
AIAA Aviation Forum, August 2021

A Ground-Delay-Based Approach to Reduce Impedance-Based Airspace Complexity
Vishwanath Bulusu
AIAA Aviation Forum, August 2021

Parametric Study of State of Charge for an Electric Aircraft in Urban Air Mobility
Priyank Pradeep, Chetan Kulkarni, Gano Chatterji, Todd Lauderdale
AIAA Aviation Forum, August 2021

Parametric Study of Federated Conflict Resolution for UAM Operations
Min Xue, Matthew Kowakski
AIAA Aviation Forum, August 2021

A Framework for Sense and Follow Convoys for Collective Autonomous Mobility
Abraham Ishihara, Husni Idris, Min Xue
AIAA Aviation Forum, August 2021

AIRNOISEUAM: An Urban Air Mobility Noise-Exposure Prediction Tool
Jinhua Li, Yun Zheng, Menachem Rafaelof, Hok Ng, Stephen Rizzi
International Congress and Exposition on Noise Control Engineering, August 2021

X3 Simulation with National Campaign-Developmental Test (NC-DT) Airspace Partners
Nicholas Craven, Savita Verma, Spencer Monheim, Annie Cheng, Robert Wood, Victoria Dulchinos, Chin Seah, Fritz Renema, Amir Farrahi, David Zahn, Dan Liddell, Jennesa Lin, Mohana Gurram, Qiang (Shawn) Li, Mark Snycerski, Michele Cencetti
NASA Technical Memorandum, April 2021

Progress in Scheduling Algorithms for a Collaborative Distributed System for Flight Planning
James Phillips, Alexander Sadovsky
NASA Technical Memorandum, February 2021

An Initial Concept for Intermediate-State, Passenger-Carrying Urban Air Mobility Operations
Michael Patterson, Douglas Isaacson, Nancy Mendonca, Natasha Neogi, Kenneth Goodrich, Matt Metcalfe, Bill Bastedo, Chris Metts, Brian Hill, Dwight DeCarme, Christine Griffin, Sterling Wiggins
AIAA SciTech Forum, January 2021

Deep Learning-Based Negotiation Strategy Selection for Cooperative Conflict Resolution in Urban Air Mobility
Aditya Das, Kristina Marotta, Husni Idris
AIAA SciTech Forum, January 2021

2020

Operational Analysis of Vertiport Surface Topology
Shannon Zelinski
Digital Avionics Systems Conference (DASC), October 2020

Lessons Learned: Using UTM Paradigm for Urban Air Mobility
Savita Verma, Spencer Monheim, Kushal Moolchandani, Priyank Pradeep, Annie Cheng, David Thipphavong, Victoria Dulchinos, Heather Arneson, Todd Lauderdale, Christabelle Bosson, Eric Mueller, Bogu Wei
Digital Avionics Systems Conference (DASC), October 2020

Strategic Planning with Unscented Optimal Guidance for Urban Air Mobility
Hok Ng
AIAA Aviation Forum, June 2020

Trajectory Simulation for Air Traffic Management Employing a Multirotor Urban Air Mobility Aircraft Model
Gano Chatterji
AIAA Aviation Forum, June 2020

Developing Urban Air Mobility Vehicle Models to Support Air Traffic Management Concept Development
Marc Shaw-Lecerf, Al Paris, Carla Ingram, Franklin Gu, William Chung
AIAA Aviation Forum, June 2020

Urban Air Mobility Conflict Resolution: Centralized or Decentralized?
Min Xue
AIAA Aviation Forum, June 2020

An Impedance-Based Complexity Metric for Unmanned Aircraft System Traffic Scenario Classification
Vishwanath Bulusu, Banavar Sridhar, Min Xue
AIAA Aviation Forum, June 2020

Wind-Optimal Trajectories for Multirotor eVTOL Aircraft on UAM Missions
Priyank Pradeep, Gano Chatterji, Banavar Sridhar, Kay-Martin Edholm, Todd Lauderdale, Kapil Sheth, Chok-Fung Lai, Heinz Erzberger
AIAA Aviation Forum, June 2020

2019

Analysis of Interactions Between Urban Air Mobility (UAM) Operations and Conventional Traffic in Urban Areas: Traffic Alert and Collision Avoidance (TCAS) Study for UAM Operations
Vishwanath Bulusu, Banavar Sridhar, Andrew Cone, David Thipphavong
AIAA Aviation Forum, June 2019

Exploration of Near-Term Potential Routes and Procedures for Urban Air Mobility
Savita Verma, Jillian Keeler, Tamsyn Edwards, Victoria Dulchinos
Aviation Technology, Integration and Operations (ATIO) Conference, June 2019

2018

Urban Air Mobility Airspace Integration Concepts and Considerations
David Thipphavong, Rafael Apaza, Bryan Barmore, Vernol Battiste, Christine Belcastro, Barbara Burian, Quang Dao, Michael Feary, Susie Go, Kenneth Goodrich, Jeffrey Homola, Husni Idris, Parimal Kopardekar, Joel Lachter, Natasha Neogi, Hokkwan Ng, Rosa Oseguera-Lohr, Michael Patterson, Savita Verma
AIAA Aviation Forum, June 2018

Simulation Evaluations of an Autonomous Urban Air Mobility Network Management and Separation Service
Christabelle Bosson, Todd Lauderdale
AIAA Aviation Forum, June 2018

Overview of NASA’s Air Traffic Management – eXploration (ATM-X) Project
William Chan, Bryan Barmore, Jennifer Kibler, Paul Lee, Cornelius O’Connor, Kee Palopo, David Thipphavong, Shannon Zelinski
AIAA Aviation Forum, June 2018

Autonomous Coordinated Airspace Services for Terminal and Enroute Operations with Wind Errors
Todd Lauderdale, Christabelle Bosson, Yung-Cheng Chu, Heinz Erzberger
AIAA Aviation Forum, June 2018

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