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Enhancing Crew Monitoring & Performance During Approach and Stall Events

Learn about heightened vigilance, cues of slowing airspeed, crew activities, preventing monitoring failures, and actions during stall events to improve flight safety and performance.

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Enhancing Crew Monitoring & Performance During Approach and Stall Events

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Presentation Transcript

  1. Response to Stick Shaker and Stall Human Performance presentation

  2. Crew Duties During Approach • Heightened vigilance required during approach • As flying pilot, captain’s primary responsibility to monitor instruments • As monitoring pilot, first officer to provide backup and corrective input

  3. Cues of Slowing Airspeed • Airspeed information on primary flight displays Primary Flight Display

  4. Cues of Slowing Airspeed Trend arrow Indicated airspeed Low-speed cue • Airspeed information on primary flight displays • Pilots must ensure airspeed remains above low-speed cue Airspeed Display

  5. Low-Speed Cue Missed • Neither pilot remarked or took action as airspeed slowed to low-speed cue • Cue position should have elicited prompt corrective action from pilots • Adequate time to initiate corrective action before stick shaker

  6. Crew Activities • Captain should have seen cue during instrument scan • No evidence explained why it was missed • First officer should have detected captain’s error • Duties when cue was visible directed her attention away from primary flight display • Missed cue reflects breakdown in monitoring and workload management

  7. Preventing Monitoring Failures • Methods to improve pilot monitoring behavior • NTSB asked for training for monitoring skills • Safety Recommendation A-07-13

  8. Response to Stick Shaker • Captain’s aft control column inputs led to stall • Power advanced but not to rating detent • Neither pilot made callouts or commands associated with stall recovery

  9. Actions During Stall Event • Simulator observations showed recovery procedures did not require exceptional inputs • Control column was not pushed forward to prevent or recover from stall • Captain’s actions inconsistent with trained recovery procedures

  10. Actions During Stall Event • Captain’s actions did not indicate well-learned habit pattern • Improper inputs consistent with startle and confusion • History of training failures may have played role

  11. Actions During Stall Event • First officer’s uncommanded raising of flaps and suggestion to raise gear not consistent with recovery procedures • Reasons for first officer’s actions could not be determined

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