Federal Register 2026-19171 — effective 2026-09-21 — Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines — Federal Aviation Administration
What is the effective date for Federal Register 2026-19171 — Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines — Federal Aviation Administration?
For Federal Register 2026-19171, effective date is 2026-09-21; agency is Federal Aviation Administration; published is 2026-09-18; cfr parts amended is 14 CFR 39, recorded from its source on 2026-09-21; source re-checked 2026-11-03.
{"document_number":"2026-19171","title":"Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines","agency_names":["Transportation Department","Federal Aviation Administration"],"effective_on":"2026-09-21","dates":"This AD is effective September 21, 2026. Emergency AD 2026-18- 52, issued on September 5, 2026, which contains the requirements of this amendment, was effective with actual notice.","cfr_references":[{"chapter":null,"citation_url":null,"part":"39","title":14}],"publication_date":"2026-09-18","html_url":"https://www.federalregister.gov/documents/2026/09/18/2026-19171/airworthiness-directives-rolls-royce-deutschland-ltd-and-co-kg-engines"}
— federalregister.gov, retrieved 2026-09-21
- FR document number
- 2026-19171 verified
- Rule
- Airworthiness Directives; Rolls-Royce Deutschland Ltd. & Co. KG Engines verified
- Agency
- Federal Aviation Administration verified
- Effective date
- 2026-09-21 verified
- DATES, as printed
- This AD is effective September 21, 2026. Emergency AD 2026-18- 52, issued on September 5, 2026, which contains the requirements of this amendment, was effective with actual notice. verified
- CFR parts amended
- 14 CFR 39 our reading
- Published
- 2026-09-18 verified
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Source
- federalregister.govhttps://www.federalregister.gov/api/v1/documents.json?per_page=1000&order=oldest&conditions%5Btype%5D%5B%5D=RULE&conditions%5Beffective_date%5D%5Bgte%5D=2026-08-31&conditions%5Beffective_date%5D%5Blte%5D=2026-12-31&fields%5B%5D=document_number&fields%5B%5D=title&fields%5B%5D=agency_names&fields%5B%5D=effective_on&fields%5B%5D=dates&fields%5B%5D=cfr_references&fields%5B%5D=publication_date&fields%5B%5D=html_url
This one changes, and we watch it.Federal rules taking effect: every US final rule in the Federal Register, by effective date is re-read on a schedule and every change is dated. Subscribe: Atom feed · JSON · what has changed so far.