FAA Issues New Airworthiness Directive for Honeywell Primus II RNZ-850( )/-851( ) Integrated Navigation Units

Summary

The Federal Aviation Administration (FAA) is issuing a new airworthiness directive (AD) for various aircraft equipped with Honeywell Primus II RNZ-850( )/-851( ) integrated navigation units (INUs), following reports of erroneous glideslope indications. The new AD requires inspecting for modifications and performing corrective actions to ensure accurate glideslope deviation indications.