2026-09-19T01:28:04Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1474782023-01-20T03:32:11Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Hansman, R. John
Trávník, Marek
Massachusetts Institute of Technology. Department of Aeronautics and Astronautics
2023-01-19T19:53:05Z
2023-01-19T19:53:05Z
2022-09
2022-09-21T13:15:15.694Z
https://hdl.handle.net/1721.1/147478
https://orcid.org/marek-travnik-ms-thesis-mit
Traditional runway condition reporting is limited due to its reliance on runway contamination information and pilot reports of braking action. A database of 4.9 million aircraft landings by Aviation Safety Technologies, labeled with runway condition codes computed from aircraft sensor outputs provides a unique opportunity to enhance
and modernise condition reporting using data-driven methods.
This thesis presents an ensemble model trained on this landing database to predict runway condition codes using a cascading Xgboost architecture. The method uses a novel multiple ROC threshold setting procedure for linked classifiers which maintains
the shape of the runway condition code distribution. A forecast-focused version of the model only requires weather information from METAR reports, a description of the runway and aircraft type as input. The method is validated on a collection of 30 historical runway excursions, assigning at best "Medium to Poor" braking action to
all cases with reduced friction. Feature importance is computed using SHAP values, showing that relative humidity, temperature, precipitation, and aircraft type are the features that guide model predictions the most.
The model can be used to create decision aids for aircraft operators, to complement traditional condition reporting, and/or as a forecasting tool to inform runway maintenance decisions.
S.M.
Massachusetts Institute of Technology
In Copyright - Educational Use Permitted
Copyright MIT
http://rightsstatements.org/page/InC-EDU/1.0/
A Data-Driven Approach for Predicting and Understanding Braking Conditions of Aircraft Landings
Thesis
application/pdf
Master
Master of Science in Aeronautics and Astronautics
Publication
unknown
unknown
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<Abstract>Traditional runway condition reporting is limited due to its reliance on runway contamination information and pilot reports of braking action. A database of 4.9 million aircraft landings by Aviation Safety Technologies, labeled with runway condition codes computed from aircraft sensor outputs provides a unique opportunity to enhance
and modernise condition reporting using data-driven methods.
This thesis presents an ensemble model trained on this landing database to predict runway condition codes using a cascading Xgboost architecture. The method uses a novel multiple ROC threshold setting procedure for linked classifiers which maintains
the shape of the runway condition code distribution. A forecast-focused version of the model only requires weather information from METAR reports, a description of the runway and aircraft type as input. The method is validated on a collection of 30 historical runway excursions, assigning at best "Medium to Poor" braking action to
all cases with reduced friction. Feature importance is computed using SHAP values, showing that relative humidity, temperature, precipitation, and aircraft type are the features that guide model predictions the most.
The model can be used to create decision aids for aircraft operators, to complement traditional condition reporting, and/or as a forecasting tool to inform runway maintenance decisions.</Abstract>
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