Open for Comment: Airworthiness Directives; Airbus SAS Airplanes

Transportation Department — The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A330-200 and A330-300 series airplanes modified by a certain supplemental type certificate (STC). This proposed AD was prompted by a finding that, for airplanes with a flightcrew oxygen system supplied by a single oxygen cylinder, the oxygen supply would be insufficient under all circumstances for extended operations (ETOPS) with a with a maximum diversion time of 180 minutes (ETOPS-180) with four flightcrew members. This proposed AD would require revising the existing Airplane Flight Manual Supplement (AFM-S) to limit ETOPS-180 operations to three flightcrew members, as applicable, and correct minimum oxygen dispatch pressure information. The FAA is proposing this AD to address the unsafe condition on these products. (47 days remaining)

Open for Comment: Airworthiness Directives; Airbus SAS Airplanes

Transportation Department — The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A330-200 and A330-300 series airplanes modified by a certain supplemental type certificate (STC). This proposed AD was prompted by a finding that, for airplanes with a flightcrew oxygen system supplied by a single oxygen cylinder, the oxygen supply would be insufficient under all circumstances for extended operations (ETOPS) with a with a maximum diversion time of 180 minutes (ETOPS-180) with four flightcrew members. This proposed AD would require revising the existing Airplane Flight Manual Supplement (AFM-S) to limit ETOPS-180 operations to three flightcrew members, as applicable, and correct minimum oxygen dispatch pressure information. The FAA is proposing this AD to address the unsafe condition on these products. (47 days remaining)

Type: comment-period | Source: federalregister.gov


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    "documentNumber": "2026-08289",
    "title": "Airworthiness Directives; Airbus SAS Airplanes",
    "summary": "The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A330-200 and A330-300 series airplanes modified by a certain supplemental type certificate (STC). This proposed AD was prompted by a finding that, for airplanes with a flightcrew oxygen system supplied by a single oxygen cylinder, the oxygen supply would be insufficient under all circumstances for extended operations (ETOPS) with a with a maximum diversion time of 180 minutes (ETOPS-180) with four flightcrew members. This proposed AD would require revising the existing Airplane Flight Manual Supplement (AFM-S) to limit ETOPS-180 operations to three flightcrew members, as applicable, and correct minimum oxygen dispatch pressure information. The FAA is proposing this AD to address the unsafe condition on these products.",
    "agency": "Transportation Department",
    "commentsCloseOn": "2026-06-15",
    "daysUntilClose": 47,
    "url": "https://www.federalregister.gov/documents/2026/04/29/2026-08289/airworthiness-directives-airbus-sas-airplanes"
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    "url": "https://www.federalregister.gov/documents/2026/04/29/2026-08289/airworthiness-directives-airbus-sas-airplanes",
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