2024-09825

Document Headings Document headings vary by document type but may contain the following: • the agency or agencies that issued and signed a document • the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to • the agency docket number / agency internal file number • the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Transportation Federal Aviation Administration • 14 CFR Part 29 • [Docket No. FAA-2021-1143; Special Conditions No. 29-055-SC] AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final special conditions. SUMMARY: These special conditions are issued for the Airbus Helicopters (Airbus) Model H160-B helicopter. This helicopter has a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for helicopters. This design feature is the extended duration of continued safe flight and landing beyond 30 minutes after indication to the flightcrew of the loss of main gearbox lubrication. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards. DATES: Effective June 6, 2024. FOR FURTHER INFORMATION CONTACT: Kamron Dowlatabadi, Mechanical Systems, AIR-623, Technical Policy Branch, Policy and Standards Division, Aircraft Certification Service, 10101 Hillwood Parkway, Fort Worth, TX 76177; telephone (817) 222-5219; email Kamron.M.Dowlatabadi@faa.gov. SUPPLEMENTARY INFORMATION: Background On July 10, 2023, Airbus applied for an amendment to Type Certificate No. R00009RD for the Model H160-B helicopter to include continued safe flight and landing beyond 30 minutes after indication to the flightcrew of the loss of main gearbox lubrication. The Airbus Model H160-B helicopter is a transport-category, twin-turboshaft-engine helicopter certificated under 14 CFR part 29. This helicopter has a maximum takeoff weight of 13,436 lbs. with seating for 12 passengers and 2 flightcrew members. The Airbus Model H160-B helicopter is also characterized by the integration of composite materials in its airframe, five main rotor blades (Blue Edge technology), a Fenestron tail rotor, and a Helionix avionics suite. Type Certification Basis Under the provisions of 14 CFR 21.101, Airbus must show that the Model H160-B helicopter meets the applicable provisions of the regulations listed in Type Certificate No. R00009RD, or the applicable regulations in effect on the date of application for the change, except for earlier amendments as agreed upon by the FAA. If the Administrator finds that the applicable airworthiness regulations ( i.e.,14 CFR part 29) do not contain adequate or appropriate safety standards for the Airbus Model H160-B helicopter because of a novel or unusual design feature, special conditions are prescribed under the provisions of § 21.16. Special conditions are initially applicable to the model for which they are issued. Should the type certificate for that model be amended later to include any other model that incorporates the same or similar novel or unusual design feature, the special conditions would also apply to the other model under § 21.101. In addition to the applicable airworthiness regulations and special conditions, the Airbus Model H160-B helicopter must comply with the noise certification requirements of 14 CFR part 36. The FAA issues special conditions, as defined in 14 CFR 11.19, in accordance with § 11.38, and they become part of the type-certification basis under § 21.101. Nove…

Fonte: Federal Register (federalregister.gov). Texto original em inglês. Conteúdo sanitizado por segurança.