AD Roundup: Some GPS Units Need Upgrade, Lycoming AD Corrected

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The FAA on Tuesday published a final rule requiring updates to the software on some Garmin GPS units. The upgrade will prevent the GPS navigation unit from providing erroneous cross-deviation information, which could result in the aircraft deviating from its intended course for a brief period of time, the FAA said. Also, a recent Airworthiness Directive regarding certain Lycoming engines has been republished by the FAA with minor corrections. Some corrections to engine models have been made by adding missing dashes, clarification to changes in requirements from the proposed rule are made, and some corrections are made for clarification in the compliance section. In all other respects, the FAA said, the original document remains the same.