AD 2020-18-51
Unsafe Condition
Reports of 54 failed attitude indicators, with erroneous attitude data provided to the pilot and autopilot, if equipped, which may result in loss of control of the aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Revising the existing Airplane Flight Manual (AFM) for your airplane to prohibit operation under instrument flight rules (IFR) or night visual flight rules (VFR) and prohibit coupling the autopilot with an affected attitude indicator. This may be performed by the owner/operator (pilot) holding at least a private pilot certificate.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Attitude indicator part number (P/N) 306171-10 or 306171-20, which may be marked as BendixKing Model KI-300 or Sandia Model SAI-340A, installed on certain aircraft.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.