AD 2015-10-51
Unsafe Condition
Avidyne IFDs displaying incorrect course deviation indication information during GPS approaches (incorrect display of lateral deviations). This occurs when the airplane is flying in certain approaches, the leg to the Final Approach Fix (FAF) is active, and the leg to the FAF is not aligned with the final approach course (i.e., an angled entry to the FAF).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate an operational limitation into the Limitations section of the airplane flight manual (AFM) or airplane flight manual supplement (AFMS). The operational limitation prohibits flying a full procedure (non Vector-to-Final) GPS approach with a course change at the Final Approach Fix (FAF) and prohibits flying a GPS approach with a Direct-To or with an Omni-Bearing Selector (OBS) leg to the FAF.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days of the effective date of the AD (July 1, 2015, or immediately for those covered by the Emergency AD).
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Affected Aircraft
Avidyne Corporation Integrated Flight Displays (IFDs) part numbers 700-00083-() loaded with software release 9.3.1.0 or earlier (Model R9--10 inch), 700-00171-() loaded with software release 9.2.5.0 or earlier (Model R9--12 inch), and 700-00182-() loaded with software release 10.0.3.0 or earlier (Model IFD540).
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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