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The 11 July 1988 Denver windshear encountersOn July 11, 1988, between 2207 and 2213 UTC (16:07 to 16:13 MDT), four successive United flights had inadvertent encounters with microburst windshear conditions while on final approach to Denver Stapleton Airport (DEN), each resulting in a missed approach, subsequent delay, and uneventful arrival. A fifth flight executed a missed approach without encountering the phenomena. There was no damage to aircraft and no passenger injuries were incurred. The term inadvertent is used within United Airlines' windshear training materials and the Federal Aviation Administration (FAA) Windshear Training Aid to connote an encounter with windshear after vigilance and cautionary practices fail to identify and afford complete avoidance of the hazardous area. No crew culpability is implied. A comprehensive investigation for scientific purposes in the study of windshear phenomenon is being conducted separately under the guidance of the FAA with involvement and cooperation from United, the National Transportation Safety Board (NTSB), National Center for Atmospheric Research (NCAR), Boeing, Douglas, NASA, and others.
Document ID
19910002375
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Ireland, Robert L. (United Air Lines, Inc. Denver, CO, United States)
Date Acquired
September 6, 2013
Publication Date
July 1, 1990
Publication Information
Publication: NASA, Langley Research Center, Airborne Wind Shear Detection and Warning Systems. Second Combined Manufacturers' and Technologists' Conference, Part 1
Subject Category
Air Transportation And Safety
Accession Number
91N11688
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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