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Aircraft Maintenance and Inspections

Aircraft Maintenance and Inspections. Maintenance Quality Assurance. Part 91: Owner/operator responsible for aircraft airworthiness Required maintenance, inspections Not as extensive as requirements for other revenue operations

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Aircraft Maintenance and Inspections

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  1. Aircraft Maintenance and Inspections

  2. Maintenance Quality Assurance • Part 91: Owner/operator responsible for aircraft airworthiness • Required maintenance, inspections • Not as extensive as requirements for other revenue operations • Part 135 requires FAA-approved procedures for ensuring each aircraft is airworthy

  3. Maintenance Quality Assurance • 8 accident airplanes not airworthy • Marine City: No compliance with 5 ADs • West Point: Incomplete records, unapproved door removal, altered FMS • Others: Overdue inspections, inoperative components • In some cases, discrepancies related to cause of accident

  4. Engine Overhauls • Parachute jump operations conducive to engine wear • High ratio of cycles to flight hours • Sustained climb power, then reduction • May require more frequent overhauls • Engine manufacturers establish recommended TBO • TBO not mandatory for Part 91

  5. Engine Overhauls • Four accident airplanes’ engines exceeded TBO, two lost power • Sullivan: right engine had nearly doublethe recommended hours • East Moriches: engine not overhauled in previous 12 years • Internal components fractured • Possibly could have been detected and corrected by overhaul within TBO

  6. Overview: Safety Issues • Aircraft Maintenance • Pilot training and proficiency • FAA Oversight and Direct Surveillance • Most of the accidents easily preventable

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