{"id":"F2006B10126","name":"AD/G73/15 - Superseded by AD/G73/21","slug":"ad-g73-15-superseded-by-ad-g73-21","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55677,"registerId":"commonwealth-F2006B10126-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G73/15 - Superseded by AD/G73/21","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET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OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Frakes (Grumman) G73 Series Aeroplanes\n\n \n\nAD/G73/15 Superseded by AD/G73/21 NK\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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":"rejected","complexity_score":1,"rejection_reason":"This is a navigation/placeholder page indicating that AD/G73/15 has been superseded by AD/G73/21. It contains no substantive legislative content — no operative provisions, requirements, definitions, or explanatory material. It is essentially a metadata stub generated from a document management system (Aspose.Words). Analysis of legislative substance is not possible.","scope_assessment":{"changed":false,"description":"Not applicable — this is a minimal administrative document indicating supersession status only, with no substantive scope to assess."},"complexity_factors":["Document is a placeholder/redirect notice only — no substantive legislative content present","Zero defined terms","Zero operative provisions or conditional logic","No cross-references to other legislation (only a reference to its replacement directive)","Extremely short — essentially a title page with metadata"],"plain_english_summary":"This document is a **superseded Airworthiness Directive (AD)** for **Frakes (Grumman) G73 Series Aeroplanes** — a type of amphibious aircraft commonly known as the Grumman Mallard.\n\n**What it is:** An Airworthiness Directive is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring aircraft owners and operators to perform specific inspections, repairs, or modifications to address unsafe conditions.\n\n**What this specific document shows:** This particular directive (AD/G73/15) has been **replaced** by a newer version (AD/G73/21). The document contains no operative requirements — it serves only as a historical reference indicating that the safety requirements previously contained in AD/G73/15 are now found in the updated directive.\n\n**Who it affects:** Owners and operators of Frakes/Grumman G73 Mallard aircraft registered in Australia.\n\n**Why it matters:** Aircraft operators must comply with the **current** version of any Airworthiness Directive, not superseded ones. This document alerts operators that they should consult AD/G73/21 for the applicable safety requirements."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The source records that AD/G73/15 has been superseded by AD/G73/21. The provided extract does not specify how the substantive scope or requirements have changed; it only records the administrative replacement (see: \"AD/G73/15 Superseded by AD/G73/21 NK\"). To determine the nature and extent of any change in obligations, costs, or technical scope, the text of AD/G73/21 must be reviewed."},"complexity_factors":["Entry is administrative (supersession) rather than substantive, reducing interpretive complexity.","Very limited source text: no operative requirements, timeframes, or technical particulars included.","Cross-reference to another instrument (AD/G73/21) requires consulting additional documents to determine effect.","Ambiguous notation \"NK\" in the source, with no definition provided, adds small uncertainty.","Legal context is clear (Civil Aviation Regulations 1998, Part 39), which simplifies statutory framing but does not supply substantive content."],"plain_english_summary":"This entry in CASA’s Schedule of Airworthiness Directives records that AD/G73/15 for Frakes (Grumman) G73 series aeroplanes has been superseded by AD/G73/21. It is an administrative note only and does not include the substantive safety requirements, compliance steps, or obligations — consult the full text of AD/G73/21 for operative instructions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-g73-15-superseded-by-ad-g73-21","history":"/api/acts/ad-g73-15-superseded-by-ad-g73-21/history","analysis":"/api/acts/ad-g73-15-superseded-by-ad-g73-21/analysis","conflicts":"/api/acts/ad-g73-15-superseded-by-ad-g73-21/conflicts","importantCases":"/api/acts/ad-g73-15-superseded-by-ad-g73-21/important-cases","documents":"/api/acts/ad-g73-15-superseded-by-ad-g73-21/documents"}}