On August 28, the FAA published an emergency airworthiness directive (AD) 2020-18-51 for certain Sandia attitude indicators with a part number (P/N) 306171-10 or 306171-20 installed, as well as those marketed as BendixKing Model KI-300 or Sandia Model SAI-340A.
Emergency AD Issued For Sandia & BendixKing Attitude Indicators
Key Takeaways:
- The FAA issued an emergency Airworthiness Directive (AD 2020-18-51) for certain Sandia and BendixKing attitude indicators due to 54 reported unit failures.
- These failures provide erroneous attitude data to pilots and autopilots, risking incorrect aeronautical decision-making and potential loss of control, as pilots may not detect or distinguish the bad data.
- The AD mandates revising the airplane flight manual before further flight, prohibiting operation under IFR or night VFR, and prohibiting coupling with the autopilot for affected units.
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