A Climatology of Conditions Known to Lead to In-flight Aircraft Icing Across North America PDF Download
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Author: Eric F. Grelson
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 262
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Book Description
Author: Eric F. Grelson
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 262
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Book Description
Author: Edward D. Heath
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 84
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Book Description
Author: United States. Federal Aviation Administration
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 64
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Book Description
Author: United States. National Weather Service
Publisher:
ISBN:
Category : Meteorology in aeronautics
Languages : en
Pages : 299
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Book Description
Author:
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 612
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Book Description
Author: Gerald L. Dillingham
Publisher: DIANE Publishing
ISBN: 1437930050
Category : Transportation
Languages : en
Pages : 26
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Book Description
Ice formation on aircraft can disrupt the smooth flow of air over the wings and prevent the aircraft from taking off or decrease the pilot's ability to maintain control of the aircraft. Despite a variety of technologies designed to prevent ice from forming on planes, as well as persistent efforts by the FAA to mitigate icing risks, icing remains a serious concern. This statement provides info. on: (1) the extent to which large commercial airplanes have experienced accidents and incidents related to icing and contaminated runways; (2) the efforts of FAA to improve safety in icing and winter weather operating conditions; and (3) the challenges that continue to affect aviation safety in icing and winter weather operating conditions. Charts and tables.
Author: Bradford D. Schrumpf
Publisher:
ISBN: 9781423584599
Category : Freezing precipitation
Languages : en
Pages : 169
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Book Description
Aviation weather forecasters are still greatly challenged to forecast aviation weather hazards for large areas of atmosphere with few in-situ observations and little detailed information from which to work. Forecasters generally lack sufficient guidance to assist them in the prediction of icing occurrences or intensity. In-flight aircraft icing remains a significant aviation hazard. Icing intensity is related to the rate of accretion as well as the aircraft type and the icing's effects on aircraft flight performance. Icing regions currently can only be identified from subjective reports made by aircraft pilots (PIREPs). The severity of aircraft icing is found to be quite sensitive to temperature, liquid water content, and droplet size distribution along the flight path within the icing cloud. The difficulty of their direct measurement and the variability of these factors with altitude, position, and time, coupled with variable aircraft sensitivities, make forecasting and identifying icing environments quite difficult With the advent of the next generation of Geostationary Operational Environmental Satellites (GOES), additional spectral channels with improved ground resolution are available for use in a wide variety of research applications. One important outcome of applied research based on improved GOES-8 imager products is analysis technique developments that will lead to better forecasts of hazardous aircraft flying conditions.
Author:
Publisher:
ISBN:
Category : Aeronautics, Military
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics in meteorology
Languages : en
Pages : 404
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Book Description
Author: AIR FORCE ENVIRONMENTAL TECHNICAL APPLICATIONS CENTER SCOTT AFB IL.
Publisher:
ISBN:
Category :
Languages : en
Pages : 129
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Book Description
A climatic atlas of charts that show percent frequency of occurrence of potential icing conditions over North America. Since icing reports are sparse, an accurate icing climatology is difficult to obtain. A climatology of elements for potential icing conditions, however (such as liquid water content and temperature), can be derived. The Smith-Feddes Liquid Water Content (LWC) computer model uses combined data from the Air Force Global Weather Central Three-Dimensional Nephanalysis Data Base (3DNEPH) and the upper air Analysis Data Set for input. Output consists of percent frequency of occurrence of a liquid water content threshold concentration in a defined layer and temperature range. Output was generated for three concentrations, three layers and for temperatures at or below freezing. This data was then manually converted into 117 monthly and annual maps showing percent frequency of occurrence for potential icing conditions.
