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Air Tahoma Flight 185 Convair 580 August 13, 2004 Covington, Kentucky

Air Tahoma Flight 185 Convair 580 August 13, 2004 Covington, Kentucky. Non-Contributing Factors. No preexisting failures No evidence of fatigue Sufficient fuel on board. Accident Summary. Captain was distracted Weight and balance during flight Crossfeed operations

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Air Tahoma Flight 185 Convair 580 August 13, 2004 Covington, Kentucky

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  1. Air Tahoma Flight 185Convair 580August 13, 2004Covington, Kentucky

  2. Non-Contributing Factors • No preexisting failures • No evidence of fatigue • Sufficient fuel on board

  3. Accident Summary • Captain was distracted • Weight and balance during flight • Crossfeed operations • Proper procedures not followed • Fuel transferred between tanks • Flight crew missed opportunities • Dual engine flameout

  4. Main Investigative Areas • Captain’s weight and balance calculations • Fuel crossfeed operation • Monitoring fuel quantity • Dual engine flameout

  5. Weight and Balance • No load manifest left at Memphis • Weight and balance computer inoperative • Paperwork – outside limits • Used “general experience”

  6. Distraction • Captain completing paperwork in flight • 50 minutes after takeoff • started crossfeed operations • Captain did not follow procedures

  7. Convair 580 Limitations • Fuel transfer prohibited • AFM & cockpit placard Fuel transfer from tank to tank isprohibited. When operating with the crossfeed system, turn off fuel valve for tank not being used. • No history of valve failures

  8. Missed Opportunities • Airplane handling characteristics • Over the last 9 minutes • First officer • “yoke feels funny” • “feels like I need a lot of force” • “what in the world is going on with this plane”

  9. Missed Opportunities • Captain did not • Check fuel quantity • Initiate troubleshooting • Assess the handling qualities • Captain • “we’ll do a full control check on the ground”

  10. Missed Opportunities • Captain • Started in-range checklist at 3,200 feet • Found open crossfeed • 30 seconds before dual engine flameout • Air Tahoma Procedures • Start in-range checklist at 12,000 feet

  11. Significant Findings • Captain was distracted during flight • Improper fuel crossfeed • Flight crew missed opportunities • Different fuel pump pressures

  12. Tom Jacky David Tew Malcolm Brenner Clint Crookshanks Anna Cushman Greg Smith Pierre Scarfo Abdullah Kakar Kristen Sears Paul Sledzik Brian Fiffick Paul Schlamm Christy Spangler Gina John Sonia Louallen NTSB Staff

  13. Parties and Accredited Rep PARTIES • Federal Aviation Administration • Air Tahoma • Rolls-Royce ACCREDITED REPRESENTATIVE • Transportation Safety Board of Canada • Kelowna Flightcraft Ltd.

  14. Office of Aviation Safety Workload • 8 major investigations • 5 major reports • 385 regional investigation launches • 21 foreign investigation launches • 88 safety recommendations

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