Results 91 to 100 of about 74,073 (217)

This is NASA [PDF]

open access: yes, 1965
Mission, facilities, and projects of ...

core   +1 more source

DMS Uplift by Tropical Cyclones as a Source of SO2 in the Upper Troposphere

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract Airborne observations from ACCLIP on 2 August 2022, combined with Lagrangian particle dispersion model back trajectories, reveal that SO2 mixing ratios at 14–16 km were enhanced by a factor of 4–6 in regions influenced by tropical cyclones (TCs).
Guanjie Jiao   +14 more
wiley   +1 more source

UAS Maintenance: A Critical Component in Maintaining Airworthiness

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2018
Over the last several decades, the notion of traditional aircraft design has significantly changed. While there are many modern aircraft that resemble earlier models, their components, systems, and overall architecture have evolved, including the ...
Bettina M Mrusek   +2 more
doaj   +1 more source

The use of Unmanned Aircraft Systems (UAS) in combat operations [PDF]

open access: yesTransport Problems, 2011
In this publication has been presented selected aspects of the wide spectrum of Unmanned Aircraft Systems (UAS)/UAV adaptation within the military structures.
Tomasz GUGAŁA
doaj  

A Model of Human Harm from a Falling Unmanned Aircraft: Implications for UAS Regulation

open access: yesInternational Journal of Aviation, Aeronautics, and Aerospace, 2016
This paper quantifies the human harm, in the form of fatalities and skull fractures, which could occur as a result of an unmanned aircraft falling from a height.
Andrew V Shelley
doaj   +1 more source

Responses of turkey vultures to unmanned aircraft systems vary by platform. [PDF]

open access: yesSci Rep, 2021
Pfeiffer MB   +7 more
europepmc   +1 more source

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