{"id":"F2006B04885","name":"AD/CASA/5 - Fuel Ejector Filter - Replacement","slug":"ad-casa-5-fuel-ejector-filter-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44692,"registerId":"commonwealth-F2006B04885-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CASA/5 - Fuel Ejector Filter - Replacement","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Casa 212 Series Aeroplanes\n\n \n\nAD/CASA/5 Fuel Ejector Filter - Replacement 9/83\n\nCANCELLED.\n\n \n\nBackground: Not applicable to Australian registered aircraft.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a cancellation notice for a specific airworthiness directive. The scope has narrowed to zero — the directive no longer imposes any obligations. This is the intended function of a cancellation instrument, not scope creep."},"complexity_factors":["Single operative word: 'CANCELLED'","No defined terms","No conditional logic or cross-references","Minimal substantive content — essentially a nullification notice","Background explanation provided in plain language"],"plain_english_summary":"This is a **cancelled airworthiness directive** that previously required replacement of fuel ejector filters on CASA 212 series aircraft. It has been cancelled because it **does not apply to any Australian-registered aircraft**. An airworthiness directive is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring aircraft owners or operators to fix unsafe conditions in an aircraft.\n\n**What this means:**\n- **Who it affected:** Previously applied to operators of CASA 212 series aeroplanes (a type of utility aircraft)\n- **What it required:** Replacement of fuel ejector filters (a component that helps deliver fuel to the engine)\n- **Current status:** Cancelled — no action required\n- **Why it matters:** This directive is no longer in force. The background note clarifies that even when active, it didn't apply to Australian-registered planes, suggesting it may have been issued for international alignment or was found to be irrelevant to the Australian fleet."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The entry cancels AD/CASA/5 and explicitly states the AD was not applicable to Australian-registered aircraft (see header and Background). Mechanically, this narrows domestic scope to none and removes the AD from the active schedule; the instrument therefore changes scope relative to an active directive by withdrawing any operative requirement (if one existed). The document does not provide information about treatment of non‑Australian registered aircraft."},"complexity_factors":["Document is a single-line cancellation with no operative requirements.","Explicit jurisdictional limit: \"Not applicable to Australian registered aircraft\", which limits scope and reduces complexity for domestic compliance.","Absence of technical detail, compliance procedures, or transitional arrangements in the text supplied.","Clear issuing authority (CASA) and placement in Part 39 airworthiness directives schedule reduce interpretive ambiguity.","Potential ambiguity about effect on non‑Australian registered aircraft because the entry gives no information on external applicability."],"plain_english_summary":"This entry records that Airworthiness Directive AD/CASA/5 \"Fuel Ejector Filter - Replacement\" (9/83) has been cancelled by the Civil Aviation Safety Authority. It removes that AD from the active schedule without imposing any operative instructions or compliance obligations.\n\nAs published it is explicitly not applicable to Australian‑registered CASA 212 aircraft, so Australian owners/operators have no actions or costs under this instrument; the notice gives no technical rationale or transitional detail."}},"importantCases":[],"_links":{"self":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement","history":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement/history","analysis":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement/analysis","conflicts":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement/conflicts","importantCases":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement/important-cases","documents":"/api/acts/ad-casa-5-fuel-ejector-filter-replacement/documents"}}