{"id":"F2006B10124","name":"AD/G73/13 - Superseded by AD/G73/21","slug":"ad-g73-13-superseded-by-ad-g73-21","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55670,"registerId":"commonwealth-F2006B10124-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G73/13 - Superseded by AD/G73/21","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET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OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Frakes (Grumman) G73 Series Aeroplanes\n\n \n\nAD/G73/13 Superseded by AD/G73/21 NK\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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is a navigation stub/index entry indicating that AD/G73/13 has been superseded by AD/G73/21. It contains no substantive legislative text, operative provisions, or regulatory requirements — only metadata and a cross-reference to the current version. The actual Airworthiness Directive content is in the referenced document (AD/G73/21).","scope_assessment":{"changed":false,"description":"Not applicable — this is a stub record indicating document supersession, not substantive legislation. No scope to assess."},"complexity_factors":["Document is a navigation stub/index entry only — contains no substantive regulatory text","No defined terms, operative provisions, or conditional logic present","Consists solely of metadata (document identifier, supersession notice, and aircraft type reference)","Actual directive content resides in separate document AD/G73/21"],"plain_english_summary":"This document is a **superseded Airworthiness Directive (AD)** for **Grumman G73 series aircraft** (also known as Frakes G73). An Airworthiness Directive is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) that requires aircraft owners or operators to perform specific inspections, repairs, or modifications to address unsafe conditions.\n\n**What this document tells us:**\n- **AD/G73/13** was the 13th Airworthiness Directive issued for this aircraft type\n- It has been **replaced** by a newer directive: **AD/G73/21**\n- The \"NK\" notation typically indicates the directive applies to aircraft registered in Papua New Guinea (a former Australian territory where CASA regulations still apply)\n\n**Why this matters:**\n- Aircraft owners must follow the **current** version (AD/G73/21), not this old one\n- Superseded directives remain in historical records to show compliance history\n- The G73 is a vintage amphibious aircraft (the Grumman Mallard), so these directives often address aging-aircraft issues like corrosion or structural fatigue\n\n**Key takeaway:** If you own or operate a Grumman G73, check AD/G73/21 instead of this document — this version is no longer legally binding."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The supplied record shows AD/G73/13 was superseded by AD/G73/21. The excerpt does not include the original AD's operative provisions or the superseding AD's text, so the precise nature or extent of any scope change cannot be determined from this document alone. Supersession indicates the original instrument has been replaced; to assess how scope, obligations, or affected populations changed, review the full texts of AD/G73/13 and AD/G73/21 and their registration under Civil Aviation Regulations 1998, Part 39 - 105 (Civil Aviation Safety Authority)."},"complexity_factors":["Source text contains only an identifier and a supersession note; no operative requirements are included.","Legal cross-reference to Civil Aviation Regulations 1998, Part 39 - 105, requiring retrieval of external material for operative detail.","Presence of a superseding directive (AD/G73/21) requires comparing multiple instruments to determine current obligations.","Lack of explanatory material or schedules (no compliance times, no affected serial numbers, no mandated actions) increases reliance on external documents."],"plain_english_summary":"This entry records Airworthiness Directive AD/G73/13 for Frakes (Grumman) G73 series aeroplanes, shown under CASA in the Civil Aviation Regulations 1998 (Part 39 - 105). The record states AD/G73/13 has been superseded by AD/G73/21.\n\nThe excerpt only provides the identifier, affected type, regulatory citation and the supersession note; it contains no inspection, modification, compliance-time, cost, or reporting requirements. Consult the full AD/G73/13 and the superseding AD/G73/21 for current mandatory actions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-g73-13-superseded-by-ad-g73-21","history":"/api/acts/ad-g73-13-superseded-by-ad-g73-21/history","analysis":"/api/acts/ad-g73-13-superseded-by-ad-g73-21/analysis","conflicts":"/api/acts/ad-g73-13-superseded-by-ad-g73-21/conflicts","importantCases":"/api/acts/ad-g73-13-superseded-by-ad-g73-21/important-cases","documents":"/api/acts/ad-g73-13-superseded-by-ad-g73-21/documents"}}