[HTML][HTML] Safety Risk Modelling and Assessment of Civil Unmanned Aircraft System Operations: A Comprehensive Review

S Du, G Zhong, F Wang, B Pang, H Zhang, Q Jiao - Drones, 2024 - mdpi.com
Safety concerns are progressively emerging regarding the adoption of Unmanned Aircraft
Systems (UASs) in diverse civil applications, particularly within the booming air …

Near midair collision analog for drones based on unmitigated collision risk

A Weinert, L Alvarez, M Owen, B Zintak - Journal of Air Transportation, 2022 - arc.aiaa.org
The capability to avoid other air traffic is a fundamental component of the layered conflict
management system to ensure safe and efficient operations. The evaluation of systems …

[PDF][PDF] Uncorrelated encounter model of the national airspace system version 2.0

AJ Weinert, EP Harkleroad, JD Griffith… - … , MA, Project Report …, 2013 - researchgate.net
Airspace encounter models, which provide realistic close encounter situations
representative of the airspace, are a critical component in the safety assessment of sense …

Probability of low‐altitude midair collision between general aviation and unmanned aircraft

A la Cour‐Harbo, H Schiøler - Risk Analysis, 2019 - Wiley Online Library
Unmanned aircrafts (UA) usually fly below 500 ft to be segregated from manned aircraft.
However, while general aviation (GA) usually do fly above 500 ft in areas where UA are …

A quantitatively derived nmac analog for smaller unmanned aircraft systems based on unmitigated collision risk

A Weinert, L Alvarez, M Owen, B Zintak - 2020 - preprints.org
The capability to avoid other air traffic is a fundamental component of the layered conflict
management system to ensure safe and efficient operations in the National Airspace …

Generating representative small UAS trajectories using open source data

A Weinert, N Underhill - 2018 IEEE/AIAA 37th Digital Avionics …, 2018 - ieeexplore.ieee.org
There is an increasing demand for the FAA to allow small UAS (sUAS) operations in the US
national airspace system. The FAA must understand and quantify the risk of collisions with …

[PDF][PDF] Metrics to characterize dense airspace traffic

R Golding - Altiscope Airbus, San Francisco, CA, USA, Tech. Rep, 2018 - chrysaetos.org
Many studies and design discussions are concerned with “dense” or “high density” UAV
operations—but there is no definition of what this term means. We propose two metrics that …

Probabilistic safety assessment of unmanned aerial system operations

HT Lee, LA Meyn, SY Kim - Journal of Guidance, Control, and Dynamics, 2013 - arc.aiaa.org
UNMANNED aircraft systems (UASs) are becoming increas-ingly popular, encompassing a
wide variety of missions ranging from military reconnaissance to wildfire monitoring …

Three quantitative means to remain well clear for small UAS in the terminal area

ET Lester, A Weinert - 2019 Integrated Communications …, 2019 - ieeexplore.ieee.org
Small Unmanned Aircraft Systems (sUAS) at low altitudes are increasingly being deployed
to support important inspection, communications, and delivery operations. However, the …

Uav collision risk assessment in terminal restricted area by heatmap representation

N Zhang, H Liu, KH Low - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0737. vid The frequent intrusion of
unmanned aerial vehicles (UAVs) into civil aviation airports poses a severe challenge to the …