{"id":"F2006B10138","name":"AD/G73/5 - Superseded by AD/G73/21","slug":"ad-g73-5-superseded-by-ad-g73-21","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55713,"registerId":"commonwealth-F2006B10138-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G73/5 - Superseded by AD/G73/21","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET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OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Frakes (Grumman) G73 Series Aeroplanes\n\n \n\nAD/G73/5 Superseded by AD/G73/21 NK\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n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is a navigation stub indicating a superseded Airworthiness Directive. It contains no substantive legislative content to analyse — only metadata stating that AD/G73/5 has been replaced by AD/G73/21. The actual operative requirements are in the current directive (AD/G73/21), not this placeholder.","scope_assessment":{"changed":false,"description":"Not applicable — this is a stub/placeholder document with no substantive scope."},"complexity_factors":["Document contains no substantive legislative text — only a cross-reference to a superseded directive","Zero defined terms","Zero operative provisions or conditional logic","Purely administrative/metadata content"],"plain_english_summary":"This document is a **navigation marker** indicating that Airworthiness Directive AD/G73/5 has been replaced by a newer version, AD/G73/21.\n\n**What it is:**\n- An **Airworthiness Directive (AD)** is a mandatory safety notice issued by the Civil Aviation Safety Authority (CASA) requiring aircraft owners or operators to perform specific inspections, repairs, or modifications to address unsafe conditions.\n\n**What this specific entry tells us:**\n- The old directive **AD/G73/5** (which applied to **Frakes/Grumman G73 series aircraft**) is no longer in force.\n- It has been **superseded** (replaced) by **AD/G73/21**.\n- The \"NK\" notation typically indicates the directive was issued by CASA's Continuing Airworthiness Management Section.\n\n**Who it affects:**\n- Owners and operators of Grumman G73 Mallard amphibious aircraft (a vintage twin-engine flying boat).\n\n**Why it matters:**\n- Aircraft maintenance records must reference the **current** AD (AD/G73/21), not this obsolete version. Using superseded directives can result in non-compliance with aviation safety regulations."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The entry explicitly records that AD/G73/5 has been superseded by AD/G73/21 (source: \"AD/G73/5 Superseded by AD/G73/21 NK\"). That means the operative scope of regulatory obligations for Frakes (Grumman) G73 series aeroplanes has moved from AD/G73/5 to AD/G73/21; the current legal requirements are those in the successor AD rather than in AD/G73/5."},"complexity_factors":["Entry is brief and contains no substantive technical requirements.","Single explicit cross-reference: AD/G73/5 is superseded by AD/G73/21.","Regulatory placement under Part 39–105 requires consulting other material (the successor AD) for operative detail.","Administrative nature: no operative compliance steps or timelines are listed here.","Dependence on external document (AD/G73/21) to assess full obligations and costs."],"plain_english_summary":"This entry records that airworthiness directive AD/G73/5 for Frakes (Grumman) G73 series aeroplanes has been superseded by AD/G73/21. Owners, operators and maintenance organisations (and CASA as regulator) must now follow AD/G73/21’s mandatory inspection/repair and compliance dates; costs and enforcement rest with operators and their maintenance providers."}},"importantCases":[],"_links":{"self":"/api/acts/ad-g73-5-superseded-by-ad-g73-21","history":"/api/acts/ad-g73-5-superseded-by-ad-g73-21/history","analysis":"/api/acts/ad-g73-5-superseded-by-ad-g73-21/analysis","conflicts":"/api/acts/ad-g73-5-superseded-by-ad-g73-21/conflicts","importantCases":"/api/acts/ad-g73-5-superseded-by-ad-g73-21/important-cases","documents":"/api/acts/ad-g73-5-superseded-by-ad-g73-21/documents"}}