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Evidence for an Issue 4 pieces of evidence for this issue.

manual operation may be difficult after transition from automated control (Issue #55) - In some situations flight control may be difficult after transition from automated to manual flight.

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  2. Evidence Type: Excerpt from Accident Review Study
    Evidence: Further examples of both selectivity and confirmation bias can be found in the 1988 Air France crash at Mulhouse-Habsheim (Degani et al 1996), where the pilots continued to believe that they could avert disaster by fighting with the plane’s joystick, despite the fact that their actions were not affecting the flight path as expected and in the China Airlines crash during a descent into Nagoya, where the pilots continued to believe that they could safely land the plane using the joystick, whilst a mistaken engagement of full forward thrust made it practically impossible to do so. Both incidents support the view that knowledge gaps lie behind many examples of automation surprise. (page 8)
    Strength: +1
    Aircraft: unspecified
    Equipment: automation
    Source: Hourizi, R. & Johnson, P. (2001). Beyond Mode Error: Supporting Strategic Knowledge Structures to Enhance Cockpit Safety.. In A. Blandford, J. Vanderdonkt & P. Gray (Eds.): People and Computers XV - Interaction without frontiers. Joint Proceedings of HCI2001 and ICM2001, Lille, 10-14th Sept. 2001, Springer Verlag, 229-246. See Resource details

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  4. Evidence Type: Excerpt from Survey
    Evidence: 16 of the 30 (53%) respondents reported a 4 (= agree) or 5 (= strongly agree) with pc055 manual operation may be difficult after transition from automated control
    Strength: +3
    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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  6. Evidence Type: Excerpt from Survey
    Evidence: 7 of the 30 (23%) respondents reported a 1 (=strongly disagree) or a 2 (=disagree) with pc055 manual operation may be difficult after transition from automated control
    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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  8. Evidence Type: Excerpt from Accident Report
    Evidence: "3. CONCLUSIONS ... 3.1 Findings ... 10. The lateral control deflections required to maintain level flight under conditions of thrust asymmetry and decreasing airspeed exceeded the limits of the autopilot's lateral control authority, causing the airplane to roll and yaw to the right. The captain lost control of the airplane when, after disengaging the autopilot, he failed to make the proper flight control corrections to recover the airplane." (page 34)
    Strength: +5
    Aircraft: B747-SP-09
    Equipment: autoflight
    Source: National Transportation Safety Board (1986). China Airlines B-747-SP, 300 NM Northwest of San Francisco, February 19, 1985. Aircraft Accident Report NTSB/AAR-86-03. Washington, DC: National Transportation Safety Board. See Resource details
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