Data / Federal rules / 2026-03518
Airworthiness Directives; Airbus Helicopters
The Federal Aviation Administration published this final rule in the Federal Register on February 23, 2026. It took effect on March 10, 2026. Comments closed on April 9, 2026.
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What the agency says
The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model SA330J helicopters. This AD was prompted by a report that the measured resistance value of the pyrotechnic cartridge of the engine fire extinguisher was out of tolerance. This AD requires repetitively inspecting the pyrotechnical cartridge and, depending on the results of the inspection, accomplishing corrective actions. This AD also prohibits an affected pyrotechnical cartridge from being installed on any helicopter unless certain requirements are met. The FAA is issuing this AD to address the unsafe condition on these products.
Key facts
- Document number
- 2026-03518
- Type
- Final rule
- Action
- Final rule; request for comments
- Agency
- Transportation Department; Federal Aviation Administration
- Published
- February 23, 2026
- Takes effect
- March 10, 2026
- Comments due
- April 9, 2026
- Dates
- This AD is effective March 10, 2026.
- Docket
- Docket No. FAA-2026-0746; Project Identifier MCAI-2025-01628-R; Amendment 39-23260; AD 2026-04-01
- Regulation ID (RIN)
- 2120-AA64
- Code of Federal Regulations
- 14 CFR 39
- Topics
- Air transportation; Aircraft; Aviation safety; Incorporation by reference; Safety
- Pages
- 3
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| Airworthiness Directives; Airbus Helicopters 2026-21387 | Proposed rule | Oct 19 |
Everything from the Federal Aviation Administration · Rules on air transportation · Rules on aircraft · Rules on aviation safety · Published in February 2026
Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.