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Simplified Approach Charts Improve Data Retrieval Performance  (2016)
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The effectiveness of different instrument approach charts to deliver minimum visibility and altitude information during airport equipment outages was investigated. Eighteen pilots flew simulated instrument approaches in three conditions: (a) normal operations using a standard approach chart (standard-normal), (b) equipment outage conditions using a standard approach chart (standard- outage), and (c) equipment outage conditions using a prototype decluttered approach chart (prototype-outage). Errors and retrieval times in identifying minimum altitudes and visibilities were measured.The standard-outage condition produced significantly more errors and longer retrieval times versus the standard-normal condition.The prototype-outage condition had significantly fewer errors and shorter retrieval times than did the standard-outage condition.The prototype-outage condition produced significantly fewer errors but similar retrieval times when compared with the standard-normal condition. Thus, changing the presentation of minima may reduce risk and increase safety in instrument approaches, specifically with airport equipment outages.
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approach chart, aviation, complexity, dis- tractions, errors, human in the loop simulation, methods, minima
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Journal of Cognitive Engineering and Decision Making
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Curator: Phil So
NASA Official: Jessica Nowinski
Last Updated: August 15, 2019