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Evidence for an Issue 6 pieces of evidence for this issue.

pilots may under-rely on automation (Issue #146) - Pilots may not use automation when they should, possibly leading to unsafe conditions or reduced operating efficiency.

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  2. Evidence Type: Excerpt from Survey
    Evidence: "... item five [Item five is a 5 point bi-polar statement: 1="Pilots of automated aircraft rely too heavily on the automatics", 3 = neutral, and 5="Pilots of automated aircraft don't rely enough on the automatics", average response = 2.34, rating=percentage of respondents : 1=16%, 2=44%, 3=31%, 4=8%, 5=1%] indicates the opinion that these pilots also rely too heavily on the automatics." (page 194-196)
    Strength: +1
    Aircraft: unspecified
    Equipment: automation
    Source: James, M., McClumpha, A., Green, R., Wilson, P., & Belyavin, A. (1991). Pilot attitudes to cockpit automation. In R.S. Jensen (Ed.), Proceedings of the 6th International Symposium on Aviation Psychology, Columbus, Ohio, April 1991, 192-198. Columbus, OH: The Ohio State University. See Resource details

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  4. Evidence Type: Excerpt from Survey
    Evidence: "... item five [Item five is a 5 point bi-polar statement: 1="Pilots of automated aircraft rely too heavily on the automatics", 3 = neutral, and 5="Pilots of automated aircraft don't rely enough on the automatics", average response = 2.34, rating=percentage of respondents : 1=16%, 2=44%, 3=31%, 4=8%, 5=1%] indicates the opinion that these pilots also rely too heavily on the automatics." (page 194-196)
    Strength: +1
    Aircraft: unspecified
    Equipment: automation
    Source: James, M., McClumpha, A., Green, R., Wilson, P., & Belyavin, A. (1991). Pilot attitudes to cockpit automation. In R.S. Jensen (Ed.), Proceedings of the 6th International Symposium on Aviation Psychology, Columbus, Ohio, April 1991, 192-198. Columbus, OH: The Ohio State University. See Resource details

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  6. Evidence Type: Excerpt from Survey
    Evidence: 9 of the 30 (30%) respondents reported a 4 (= agree) or 5 (= strongly agree) with pc146 pilots may under-rely on automation
    Strength: +2
    Aircraft: unspecified
    Equipment: automation
    Source: Lyall, E., Niemczyk, M. & Lyall, R. (1996). Evidence for flightdeck automation problems: A survey of experts. See Resource details

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  8. Evidence Type: Excerpt from Survey
    Evidence: 6 of the 30 (20%) respondents reported a 1 (=strongly disagree) or a 2 (=disagree) with pc146 pilots may under-rely on automation
    Strength: -1
    Aircraft: unspecified
    Equipment: automation
    Source: Lyall, E., Niemczyk, M. & Lyall, R. (1996). Evidence for flightdeck automation problems: A survey of experts. See Resource details

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  10. Evidence Type: Excerpt from Accident Report
    Evidence: "... the Board concludes that the autopilot, and thus the glide slope function of the approach coupler, was disconnected prior to the time the aircraft reached decision height. ... The Safety Board concludes that if the autopilot had not been disengaged until the minimum authorized altitude, or if the nonflying crewmembers had continued to monitor the flight instruments, the aircraft would have reached the runway safely." (page 6)
    Strength: +4
    Aircraft: B707-331C
    Equipment: autoflight: autopilot
    Source: National Transportation Safety Board (1973). Trans World Airlines, Incorporated, Boeing 707-331C, N788TW, John F. Kennedy International Airport, Jamacia, New York, December 12, 1972. Washington, DC: National Technical Information Service. See Resource details

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  12. Evidence Type: Excerpt from Incident Study
    Evidence: In our review of 282 automation-related ASRS incident reports, we found 2 reports (1%) supporting issue146 (pilots may under-rely on automation).
    Strength: +1
    Aircraft: various
    Equipment: automation
    Source: Owen, G. & Funk, K. (1997). Flight Deck Automation Issues: Incident Report Analysis. http://www.flightdeckautomation.com/incidentstudy/incident-analysis.aspx. Corvallis, OR: Oregon State University, Department of Industrial and Manufacturing Engineering. See Resource details
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