On The Problem Of Low Level Wind Shear
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On The Problem Of Low Level Wind Shear
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Author : O. K. Trunov
language : en
Publisher:
Release Date : 1986
On The Problem Of Low Level Wind Shear written by O. K. Trunov and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Low Level Wind Shear
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Author : Julius Badner
language : en
Publisher:
Release Date : 1979
Low Level Wind Shear written by Julius Badner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Meteorology in aeronautics categories.
Piloted Flight Simulation Study Of Low Level Wind Shear Phase 4 All Weather Landing Systems Engineering Services Support Project Task 2
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Author : W. H. Foy
language : en
Publisher:
Release Date : 1979
Piloted Flight Simulation Study Of Low Level Wind Shear Phase 4 All Weather Landing Systems Engineering Services Support Project Task 2 written by W. H. Foy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Airplanes categories.
The FAA Wind Shear Program has the objectives of examining the hazards associated with low-level wind shear, developing solutions to the wind-shear problem, implementing the solutions, and integrating them into the National Airspace System. In support of this program, potential solutions in the category of airborne equipment are being investigated by the All-Weather Landing Systems (AWLS) team under Task 2 of a contract from the FAA Approach and Landing Division. The Task 2 team consists of SRI, Bunker Ramo Corporation (BR), and Collins Avionics Group of Rockwell International. The investigation has been concerned with airline transport jet aircraft. The approach has been to give primary consideration to the lowest-cost candidate aiding concepts to ensure that any potential solution will be cost effective. The project task has included the design and test of airplane control laws, the analysis of airplane responses to wind shears, the development of wind models, the determination of the hazards presented by various wind fields, and the development and test of various instruments intended to aid the pilot in coping with wind shear. The majority of the effort has been spent on a series of piloted flight simulation tests.
Low Level Wind Shear
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Author : United States. Federal Aviation Administration
language : en
Publisher:
Release Date : 1979
Low Level Wind Shear written by United States. Federal Aviation Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Meteorology in aeronautics categories.
Wind Shear
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Author :
language : en
Publisher:
Release Date : 1983
Wind Shear written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Vertical wind shear categories.
A Study Of The Methodology Of Low Altitude Wind Shear Detection With Special Emphasis On The Low Level Wind Shear Alert System Concept
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Author : F. W Wilson (Jr)
language : en
Publisher:
Release Date : 1986
A Study Of The Methodology Of Low Altitude Wind Shear Detection With Special Emphasis On The Low Level Wind Shear Alert System Concept written by F. W Wilson (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
This basic principles study of the Low Level Wind Shear Alert System (LLWAS) addresses the question of the degree to which a change of algorithm and network geometry can improve the performance of an anemometer-based wind shear detection system to an acceptable level. The performance of the current system seems to be deficient in that it is ineffective for the detection of microburst and tha it issues many alarms in situations where pilots do not experience hazardous wind shear. The theoretical basis for this investigation is simulation testing. This process involves testing each combination of algorithm and geometry against a realistic mathematiclly generated weather model that includes wind shear events. The binary time series of (event/no event) and (detection/no detection) are computed and the systems that exhibit the best skill are determined. The systems that have the best skills have high probabilities of detection and low probabilities of false alarms. Keywords: Wind Field Divergence; Gust Front; Simulation Testing; Probability of Detection; False Alarm Ratio; Total Skill Score.
Airborne Aids For Coping With Low Level Wind Shear
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Author : W. H. Foy
language : en
Publisher:
Release Date : 1979
Airborne Aids For Coping With Low Level Wind Shear written by W. H. Foy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
This report summarizes the development and test of airborne displays, instrumentation and procedures for aiding an airline jet-transport pilot to cope with wind shear on approach-and-landing and on takeoff. The task involved analysis of windshear effects, development of wind models including shear and turbulence, specification of displays and instrument models, and conduct of six large-scale piloted flight-simulation exercises. A set of candidate standard wind-shear models was developed. The beneficial effects of training in a moving-base simulator were noted. In tests on both wide bodied (DC-10) and nonwide-bodied (B-727) airplanes, and both precision and localizer-only approach, conventional instrumentation was found inadequate for coping with wind shear. Many instruments and techniques, including head-up displays, were tested. Ground speed was found to be an important additional item of information. A system, consisting of acceleration and ground speed augmented flight director, acceleration-margin criterion for advising go-around, and minimum-height-loss go-around pitch steering, was found to solve the wind-shear problem on approach and landing. Test procedures and requirements for device qualification were developed. No instrumentation was found that aided in coping with severe wind shear on takeoff.
Low Level Wind Shear
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Author : Julius Badner
language : en
Publisher:
Release Date : 1979
Low Level Wind Shear written by Julius Badner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.
Wind Shear Systems Implementation Plan Benefit Cost Study
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Author : Byron F. Bond
language : en
Publisher:
Release Date : 1980
Wind Shear Systems Implementation Plan Benefit Cost Study written by Byron F. Bond and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Since July 1973 there have been eight U.S. air carrier accidents attributed to encounters with strong low-level wind shears during terminal flight operations. The FAA research and development effort has taken a threefold approach to the wind shear problem: (1) developing and implementing improved forecasting techniques and procedures for predicting and reporting low-level wind shear in the terminal area; (2) placing wind shear detection equipment on the ground and transmitting information to the pilot; and (3) installing equipment aboard the aircraft that would provide the pilot with wind shear information in 'real time'. The results of the latter effort, i.e., airborne wind shear systems and techniques are evaluated as to their relative benefits and costs both to the user and to the FAA. Ground speed is a major input variable to many of the candidate airborne wind shear systems. Eight techniques for providing ground speed are evaluated and cost comparisons are documented. Also evaluated are three self contained wind shear systems that do not rely on ground speed as a reference and a head-up display for displaying wind shear data. (Author).
Low Level Wind Shear
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Author : Shirley M. Carpenter
language : en
Publisher:
Release Date : 1976
Low Level Wind Shear written by Shirley M. Carpenter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Meteorology in aeronautics categories.