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Operational concept and validation of a new airport low-level wind information system

Published online by Cambridge University Press:  15 April 2020

T. Iijima Open the ORCID record for T. Iijima [Opens in a new window] ,
N. Matayoshi  and
S. Ueda
T. Iijima*
Affiliation:
Japan Aerospace Exploration Agency (JAXA), Mitaka, Tokyo, Japan
N. Matayoshi
Affiliation:
Japan Aerospace Exploration Agency (JAXA), Mitaka, Tokyo, Japan
S. Ueda
Affiliation:
Japan Aerospace Exploration Agency (JAXA), Mitaka, Tokyo, Japan
*
[email protected]
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Abstract

Pilots are sometimes not provided with sufficient information to avoid go-arounds or other operational disruptions that result from low-level wind disturbances. We identified issues with existing windshear alerting systems and developed three types of airport low-level wind information systems to enhance pilot situational awareness of wind conditions by providing landing aircraft with quantitative and visualised wind information for ultimately mitigating air service disruptions due to low-level wind disturbances. The three systems, Airport Low-level Wind Information (ALWIN) and Low-level Turbulence Advisory System (LOTAS), both of which use Doppler radar/lidar, and Sodar-based Low-level Wind Information (SOLWIN), which uses Doppler SOnic Detection And Ranging (SODAR), have different costs and capabilities that allow the most cost-effective system to be selected for an airport according to its scale and local weather characteristics. This paper presents the operational concepts of our newly developed airport low-level wind information systems and describes their validation.

Keywords

WindshearTurbulenceWind DisturbanceAircraft OperationACARS
Type
Research Article
Information
The Aeronautical Journal , Volume 124 , Issue 1277 , July 2020 , pp. 975 - 1015
Copyright
© The Author(s) 2020. Published by Cambridge University Press on behalf of Royal Aeronautical Society

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Footnotes

A version of this paper was presented at the 31st ICAS Congress of the International Council of the Aeronautical Sciences in Belo Horizonte, Brazil in September 2018.

References

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