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Published byMeagan Lester Modified over 9 years ago
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Office of Aviation Safety Cockpit Indications of Descent Flight Control System Training
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Board Meeting DCA04MA030 Captain and Copilot Certificated, qualified, trained Received CFIT training Experienced Adequate opportunity for rest No medical or behavioral conditions First pairing of flight crew
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Board Meeting DCA04MA030 Indications of Descent
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Board Meeting DCA04MA030 Indications of Descent Vertical speed indicators Barometric altimeters Radar altimeters Rising runway symbols
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Board Meeting DCA04MA030 Indications of Descent Vertical speed indicators Barometric altimeters Radar altimeters Rising runway symbols
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Board Meeting DCA04MA030 Indications of Descent Vertical speed indicators Barometric altimeters Radar altimeters Rising runway symbols
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Board Meeting DCA04MA030 Indications of Descent Vertical speed indicators Barometric altimeters Radar altimeters Rising runway symbols
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Board Meeting DCA04MA030 Additional Indications of Descent
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Board Meeting DCA04MA030 Additional Indications of Descent Decision height Altitude preselect Pitch command cues
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Board Meeting DCA04MA030 Additional Indications of Descent Decision height Altitude preselect Pitch command cues
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Board Meeting DCA04MA030 Additional Indications of Descent Decision height Altitude preselect Pitch command cues
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Board Meeting DCA04MA030 Additional Indications of Descent Decision height Altitude preselect Pitch command cues HDGALT
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Board Meeting DCA04MA030 Indications of Descent Multiple indications of descent would have been available Flight crew capable of properly interpreting these indications Complexity of flight control system examined
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Board Meeting DCA04MA030 SPZ-7000 DDAFCS ATT mode of autopilot system – Maintains pitch and roll attitudes Flight director system – Provides pitch and roll command cues Autopilot can be coupled to flight director
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Board Meeting DCA04MA030 Human Factors: Automation Pilot overreliance Pilot mode awareness
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Board Meeting DCA04MA030 Human Factors: SPZ-7000 Flight director status (1 versus 2) – No visual annunciation on ADI Coupling status and alert – No visual annunciation on ADI – No decouple alert (visual or aural) – Decoupling requires manual flight Single-axis selection
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Board Meeting DCA04MA030 Single-Axis Selection Pitch command cue Roll command cue ALT
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Board Meeting DCA04MA030 Single-Axis Selection Pitch command cue Roll command cue HDG
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Board Meeting DCA04MA030 Single-Axis Selection Pitch command cue or Roll command cue HDGALT
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Board Meeting DCA04MA030 SPZ-7600 DDAFCS Differences Annunciations promote pilot mode awareness – Decouple visual alert – Decouple aural alert Design issues remain – Single-axis selection
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Board Meeting DCA04MA030 Flight Control System Additional training needed Flight director status Coupling status Single-axis command cues SPZ-7000/7600 differences
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Board Meeting DCA04MA030
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7000/7600 Command Cue Formats Aircraft symbol only Dual-cue format Single-cue format
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Board Meeting DCA04MA030 SPZ-7000 Single-Axis Presentations Dual-cue format Single-cue format
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Board Meeting DCA04MA030 SPZ-7600 Single-Axis Presentations Dual-cue format Single-cue format
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Board Meeting DCA04MA030 SPZ-7600 Decouple Annunciations Visual decouple annunciation – On front instrument panel – Above each pilot’s barometric altimeter Aural alert upon decoupling
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Board Meeting DCA04MA030 ADI for Sikorsky S-92 Visual annunciation – Flight director status – Couple status – Color coded Aural alert upon decoupling – With master caution
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