Recent Aviation Systems Division Publications
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Advanced Air Mobility (AAM)
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Simulation Capability
Small Unmanned Aircraft Systems (sUAS)
Traditional Aviation
Upper Class E Traffic Management (ETM)
Advanced Air Mobility (AAM)
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
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
Artificial Intelligence (AI)
2025
Simulation Framework for Tactical Separation Assurance Service using Deep Reinforcement Learning
Gautam Sai Yarramreddy, José Ignacio de Alvear Cárdenas, Priyank Pradeep, Min Xue, Seungman Lee, Vincent Kuo
NASA Technical Memorandum, March 2025
Ground Stop Adjuster: A Machine Learning Approach to Improve Air Traffic Management Initiatives
Farzan Masrour Shalmani, Milad Memarzadeh, Aida Sharif Rohani, Krishna Kalyanam
AIAA SciTech Forum, January 2025
Contextualizing Air Traffic Management Conversations using Natural Language Understanding
Aida Sharif Rohani, David Nielsen, James Della-Giustina, Krishna Kalyanam
AIAA SciTech Forum, January 2025
2024
Towards an Aviation Large Language Model by Fine-tuning and Evaluating Transformers
David Nielsen, Stephen Clarke, Krishna Kalyanam
Digital Avionics Systems Conference (DASC), September 2024
A Natural Language Understanding Approach for Digitizing Aircraft Ground Taxi Instructions
Hillel Steinmetz, Jacob Tao, Stephen Clarke, Krishna Kalyanam
AIAA Aviation Forum, July 2024
Inverse Text Normalization of Air Traffic Control System Command Center Planning Telecon Transcriptions
Kevin Guo, Stephen Clarke, Krishna Kalyanam
AIAA Aviation Forum, July 2024
Document Classification Techniques for Aviation Letters of Agreement
Anna Batra, Swetha Rajkumar, David Nielsen, Stephen Clarke, Krishna Kalyanam, Kanvasi Tejasen, Melissa Ohsfeldt, Mike Copp
AIAA Aviation Forum, July 2024
Applying Machine Learning Tools for Runway Configuration Decision Support
Krishna Kalyanam, Milad Memarzadeh, John Crissman, Rebekah Yang, Kanvasi Tejasen
International Conference on Research in Air Transportation (ICRAT), July 2024
Classification of Notices to Airmen using Natural Language Processing
Aiden Szeto, Aditya Das
AIAA SciTech Forum, January 2024
Optimization of Airport Runway Configuration with Forecast-Augmented Offline Reinforcement Learning
Sumanth Nethi, Milad Memarzadeh, Krishna Kalyanam
AIAA SciTech Forum, January 2024
Predicting Air Traffic Management Initiatives Using Supervised Learning
Manoj Agrawal, Milad Memarzadeh, Krishna Kalyanam, Kelly Mulholland, Richard Tan
AIAA SciTech Forum, January 2024
2023
Prediction of Aircraft Estimated Time of Arrival Using A Supervised Learning Approach
James Wells, Tejas Puranik, Krishna Kalyanam, Manish Kumar
Modeling, Estimation, and Control Conference, October 2023
Machine Learning Approach for Aircraft Performance Model Parameter Estimation for Trajectory Prediction Applications
Aida Sharif Rohani, Tejas Puranik, Krishna Kalyanam
Digital Avionics Systems Conference (DASC), October 2023
Predicting Airport Runway Configurations for Decision-Support Using Supervised Learning
Tejas Puranik, Milad Memarzadeh, Krishna Kalyanam
Digital Avionics Systems Conference (DASC), October 2023
Machine Learning Airport Surface Model
William J. Coupe, Alexandre Amblard, Sarah Youlton, Matthew Kistler
Digital Avionics Systems Conference (DASC), October 2023
Distributed Decision Contextualization via Machine Learning-based Reverse Parametrization
Stanley Hicks, Aditya Das, Husni Idris
AIAA Aviation Forum, June 2023
Airport Runway Configuration Management with Offline Model-free Reinforcement Learning
Milad Memarzadeh, Tejas Puranik, Krishna Kalyanam, Wes Ryan
AIAA SciTech Forum, January 2023
Autonomous Aircraft Operations (AAO)
2024
VFR Trajectory Forecasting using Deep Generative Model for Autonomous Airspace Operations
Aastha Acharya, Vishwanath Bulusu, Husni Idris
Digital Avionics Systems Conference (DASC), September 2024
Initial Assessment of Lost Command and Control Link Procedures
Jordan Sakakeeny, David Thipphavong, Todd Lauderdale, Husni Idris
Digital Avionics Systems Conference (DASC), September 2024
Analysis and Prediction of VFR Vs IFR Traffic Behavior to Support Uncrewed Aircraft Flight Operations at Regional Airports
Vishwanath Bulusu, Husni Idris, Aastha Acharya
AIAA Aviation Forum, July 2024
Impact of Traffic-Following on Order of Autonomous Airspace Operations
Anahita Jain, Husni Idris, John-Paul Clarke
International Conference on Research in Air Transportation (ICRAT), July 2024
Freddie Software Security Patching
Chok Fung Lai
NASA Technical Memorandum, June 2024
2023
Operational Integration Potential of Regional Uncrewed Aircraft Systems Into the Airspace System
Tim Felix Sievers, Jordan Sakakeeny, Nadezhda Dimitrova, Husni Idris
Council of European Aerospace Societies (CEAS) Aeronautical Journal, November 2023
Initial Study of Tailored Trajectory Management for Multi-Vehicle Uncrewed Regional Air Cargo Operations
David Thipphavong, Todd Lauderdale, Robert Windhorst, Heather Arneson, Husni Idris, Richard Coppenbarger, Jordan Sakakeeny, Nadezhda Dimitrova, Vishwanath Bulusu, Gano Chatterji, Arwa Aweiss
Digital Avionics Systems Conference, October 2023
Comparative Analysis of Airspace System Accessibility for Uncrewed Aircraft Systems for Regional Operations
Tim Felix Sievers, Jordan Sakakeeny, Nadezhda Dimitrova, Husni Idris
Digital Avionics Systems Conference, October 2023
Analysis of VFR Traffic Uncertainty and its Impact on Uncrewed Aircraft Operational Capacity at Regional Airports
Viswanath Bulusu, Husni Idris, Gano Chatterji
AIAA Aviation Forum, June 2023
Potential of United States and European Regional Air Cargo Operations for Uncrewed Aircraft Systems
Jordan Sakakeeny, Husni Idris, Tim Felix Sievers
Air Traffic Management Research and Development Seminar, June 2023
Lunar
2023
Interplanetary Terminal Procedure Design Applied to Lunar Landing
David Zahn, Sarah Eggum
AIAA ASCEND Conference, October 2023
Simulation Capability
2024
Overview of the National Airspace System (NAS) Digital Twin Simulation Environment
Todd Lauderdale, Robert Windhorst, Richard Coppenbarger, David Thipphavong, Heinz Erzberger
AIAA Aviation Forum, July 2024
2023
Air Traffic Management TestBed: Non-Java Programming Language Support
Chok Fung Lai, Jimmy Nguyen, Phu V. Huynh, Huu V. Huynh
NASA Technical Memorandum, June 2023
Small Unmanned Aircraft Systems (sUAS)
2025
Safety Benefit Analysis of Conformance Monitoring for Situation Awareness in UTM
Min Xue, Vincent Kuo, José Ignacio de Alvear Cárdenas, Priyank Pradeep, Seungman Lee
AIAA SciTech Forum, January 2025
2024
Safety Assessment of Conformance Monitoring for Situational Awareness in UTM Operations
Vincent Kuo, Min Xue, Priyank Pradeep, José Ignacio de Alvear Cárdenas, Seungman Lee
NASA Technical Memorandum, October 2024
Survey of Methods for Assessing Safety Compliance of sUAS BVLOS Operations
Vincent Kuo, Min Xue, Seungman Lee
NASA Technical Memorandum, October 2024
Advancing Wildland Fire Response with NASA’s Second Shift Capabilities
Hyo-Sang Yoo, Spencer Monheim, Lynne Martin, Robert Mcswain
Digital Avionics Systems Conference (DASC), September 2024
Discovery and Synchronization Service Architectural Notes
Joseph Rios
NASA Technical Memorandum, September 2024
Rolling Horizon with K-Position Search Method for Strategic Deconfliction of Package Delivery UAS
Priyank Pradeep, Gautam Sai Yarramreddy, Nicholas Amirsoleimani, Alexey Munishkin, Robert Morris, Krishna Kalyanam, Min Xue, Kenny Chour
AIAA Aviation Forum, July 2024
A Method of Compliance for Achieving Target Collision Risk in UTM Operations
Min Xue, Vincent Kuo, José Ignacio de Alvear Cárdenas, Priyank Pradeep
AIAA Aviation Forum, July 2024
Wildland Fire Management Interim ConOps v1.0
Brandon Cook
Concept of Operations (ConOps), March 2024
A Method of Compliance for Achieving Target Collision Risk in UTM Operations
Min Xue, Vincent Kuo, José Ignacio de Alvear Cárdenas, Priyank Pradeep
NASA Technical Memorandum, February 2024
Route-Recapturing State-Based Horizontal Maneuver Strategy for Automated Detect-and-Avoid
Gilbert Wu
NASA Technical Memorandum, February 2024
2023
Traffic Flow Analysis for Package Delivery Drones using a Queueing Model
Alexey Munishkin, Priyank Pradeep, Kenny Chour, Krishna Kalyanam
Digital Avionics Systems Conference (DASC), October 2023
Aerial Vehicle Routing and Scheduling for UAS Traffic Management: A Hybrid Monte Carlo Tree Search Approach
Kenny Chour, Priyank Pradeep, Alexey Munishkin, Krishna Kalyanam
Digital Avionics Systems Conference (DASC), October 2023
Strategic Deconfliction of Small Unmanned Aircraft Using Operational Volume Blocks at Crossing Waypoints
Priyank Pradeep, Alexey Munishkin, Krishna Kalyanam, Heinz Erzberger
AIAA SciTech Forum, January 2023
Traditional Aviation
2024
Towards Sustainable Aviation With Efficient Airspace Operations
William Jeremy Coupe, Swati Saxena
International Council of the Aeronautical Sciences (ICAS), September 2024
A Comparative Study of Contrail Frequency Indices and GOES-16 Contrail Data Set
Ryan O’Hara, Hok Ng, Swati Saxena
AIAA Aviation Forum, July 2024
Initial Analysis of Digitally Enabled Cooperative Operations in Class D Terminal Airspace
David Thipphavong, Todd Lauderdale
AIAA Aviation Forum, July 2024
Quality of Candidate Flights and Submission Prediction in Collaborative Digital Departure Reroute
Sarah Youlton, Alexandre Amblard, William J. Coupe
AIAA SciTech Forum, January 2024
2023
NASA’s Digital Information Platform to Accelerate the Transformation of the National Airspace System
Mohana Gurram, Pallavi Hegde, Swati Saxena
AIAA Aviation Forum, June 2023
Upper Class E Traffic Management (UTM)
2024
A Web-Based Negotiation Tool for Conflict Resolution in Upper Class E Traffic Management
Michael Korens, Shayna Gaulden, Wenbin Wei, Paul Lee, Min Xue, Joseph Silva
AIAA Aviation Forum, July 2024
2023
High Altitude Platform System (HAPS) Communication Support for Wildland Firefighting
Aaron J. Burns, Marcus Johnson, Jaewoo Jung, Matthew Fladeland
NASA Technical Memorandum, December 2023
Study of Pairwise Deconfliction Metrics to Analyze Air Traffic Complexity in Upper Class E Airspace
Priyank Pradeep, Min Xue, Paul U. Lee, Banavar Sridhar, Jinhua Li, Peter T. Huynh
AIAA Aviation Forum, June 2023
