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NTSB Board Meeting AA Flight 587 NTSB Board Meeting AA Flight 587 Rudder Control System Steven Magladry.

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Presentation on theme: "NTSB Board Meeting AA Flight 587 NTSB Board Meeting AA Flight 587 Rudder Control System Steven Magladry."— Presentation transcript:

1 NTSB Board Meeting AA Flight 587 NTSB Board Meeting AA Flight 587 Rudder Control System Steven Magladry

2 NTSB Board Meeting AA Flight 587 Rudder Controls Rudder Control Characteristics Pedal Travel Pedal Force Airplane Response Rudder Control Sensitivity A – High sensitivity at accident airspeed Rudder Control Characteristics Pedal Travel Pedal Force Airplane Response Rudder Control Sensitivity A – High sensitivity at accident airspeed

3 NTSB Board Meeting AA Flight 587 Changes to Rudder Control System A300-B2B4 preceded the A Control force change Reduced pedal forces Rudder limiter design change Reduced pedal travel and force to reach full pedal travel A300-B2B4 preceded the A Control force change Reduced pedal forces Rudder limiter design change Reduced pedal travel and force to reach full pedal travel

4 Change to A300 Rudder Limiter System High Speed Characteristics Pedal Force Predecessor A300-B2B4 Predecessor A300-B2B4 Current A Current A pounds 32 pounds Predecessor A300-B2B4 Predecessor A300-B2B4 Current A Current A inches 1.2 inches Pedal Travel

5 A300-B2B4 & -600 Pedal Sensitivity Comparison Pedal Sensitivity, g’s per pound Calibrated Airspeed, Knots Accident Airspeed

6 NTSB Board Meeting AA Flight 587 High Speed Rudder Characteristics Compared to other airplanes: A has lightest pedal forces. A has among the shortest pedal travel. Rudder sensitivity of A is a concern. Compared to other airplanes: A has lightest pedal forces. A has among the shortest pedal travel. Rudder sensitivity of A is a concern.

7 NTSB Board Meeting AA Flight 587 Rudder Control Certification Standards No quantitative standards Staff proposes safety recommendations No quantitative standards Staff proposes safety recommendations

8 National Transportation Safety Board American Airlines Flight 587 Belle Harbor, New York November 12, 2001 NTSB Board Meeting October 26, 2004 American Airlines Flight 587 Belle Harbor, New York November 12, 2001 NTSB Board Meeting October 26, 2004


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