{"id":"F2006B06164","name":"AD/PDH/5 Amdt 3 - Bracket Type Propellers - Inspection","slug":"ad-pdh-5-amdt-3-bracket-type-propellers-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46990,"registerId":"commonwealth-F2006B06164-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PDH/5 Amdt 3 - Bracket Type Propellers - Inspection","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 - 107 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Propellers - Variable Pitch - De Havilland\n\n \n\nAD/PDH/5\n\nAmdt 3\n\n\nBracket Type Propellers - Inspection 3/68\n\n \n\nApplicability: All model PD136/212/1, PD170/212/1 and PD175/212/1 propellers fitted to DeHavilland DH114 aircraft.\n\n \n\nDocument: Hawker Siddeley Heron TNS No. 26, Rev. 8. Compliance:  As detailed in the requirement document.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2261},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"Despite being Amendment 3, the directive maintains a tightly focused scope on specific bracket type propellers for De Havilland DH114 aircraft. The amendments appear to update technical references or procedural details rather than expand the original safety mandate beyond its initial engineering purpose."},"complexity_factors":["Extremely brief text with all technical requirements delegated to external document (Hawker Siddeley Heron TNS No. 26)","Narrow applicability restricted to three specific propeller model numbers on a single aircraft type","No defined terms, conditional logic, or nested exceptions within the directive text"],"plain_english_summary":"This Airworthiness Directive mandates safety inspections for specific propellers on De Havilland DH114 aircraft.\n\n**Who it affects**: Owners and operators of De Havilland DH114 aircraft fitted with PD136/212/1, PD170/212/1, or PD175/212/1 variable pitch propellers.\n\n**What it requires**: Operators must conduct inspections of these \"bracket type\" propellers in accordance with the procedures specified in *Hawker Siddeley Heron TNS No. 26, Revision 8* (a technical service bulletin).\n\n**Why it exists**: To ensure airworthiness and safety by identifying potential defects or wear in these specific propeller models before they cause operational failures.\n\nThis is a brief, technical directive that delegates detailed compliance requirements to an external engineering standard."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection","history":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection/history","analysis":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection/analysis","conflicts":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection/conflicts","importantCases":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection/important-cases","documents":"/api/acts/ad-pdh-5-amdt-3-bracket-type-propellers-inspection/documents"}}