Federal Register #2026-20116

FAA airworthiness directive for specified Airbus AS355 tail-rotor parts and nationwide flight procedure changes

The Federal Aviation Administration issued a regulatory notice covering helicopter airworthiness and instrument-flight procedure changes, not a procurement solicitation. - Government agency: U.S. Department of Transportation, Federal Aviation Administration (FAA). - Offices: Aircraft Certification Service, Compliance & Airworthiness Division; and Flight Procedures and Airspace Group, Standards Section. - OEM: Airbus Helicopters is named in connection with the affected AS355 helicopter parts and its service bulletin. - Airworthiness directive: Applies to Airbus Helicopters AS355E, AS355F, AS355F1, AS355F2, and AS355N helicopters. It addresses potential misidentification and loss of traceability for specified tail-rotor drive parts. - Tail rotor drive fan wheel, P/N 704A33691014 amendment C; affected units are those with serial numbers identified in the referenced Airbus Helicopters alert service bulletin. - Impeller second stage, P/N 704A33691015 amendment C; affected units are those with serial numbers identified in the same bulletin. - Additional regulatory action: The FAA establishes, amends, suspends, or removes instrument approach procedures, takeoff minimums, and obstacle departure procedures at airports nationwide to reflect revised criteria and National Airspace System conditions. - Procurement status: No products or services are being solicited, and no quantities, contract value, or contract performance period are provided.

Description

This final rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures (ODPs) for operations at certain airports. The changes result from new or revised criteria or changes in the National Airspace System, including new navigational facilities, obstacles, or air traffic requirements. The rule aims to support safe and efficient use of navigable airspace and safe instrument flight operations. The compliance date for each procedure is specified in the amendatory provisions.

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