{"id":"F2006B06481","name":"AD/RAD/16 - Localiser and Glide Slope Flag Circuit - Modification","slug":"ad-rad-16-localiser-and-glide-slope-flag-circuit-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48001,"registerId":"commonwealth-F2006B06481-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/RAD/16 - Localiser and Glide Slope Flag Circuit - Modification","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)  Radio Communication and Navigation Equipment\n\n \n\n# AD/RAD/16  Localiser and Glide Slope Flag Circuit - Modification\n\nApplicability: VHF COM/NAV Equipment ARC Type 319A and 319G.\n\n# 9/65\n\n \n\nRequirement: Modify equipment so that localiser and glide slope flag circuits are energised by the output from the 90 to 150 cycle filters.\n\n \n\nNote: Incorporation of the relevant sections of Rex Aviation Radio Design Change No. 6 is an acceptable method of compliance.\n\n \n\nCompliance: Before 1 January 1966.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\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":988},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow, technical scope — mandating a specific safety modification to specific vintage radio equipment models. There is no evidence of scope creep or expansion beyond the original safety intent."},"complexity_factors":["Single, specific technical requirement with no conditional logic","No defined terms or interpretation sections","Narrow applicability limited to two specific equipment models (ARC Type 319A and 319G)","No cross-references to other legislation or parts","Single compliance method explicitly referenced"],"plain_english_summary":"This safety directive requires owners/operators of aircraft fitted with ARC Type 319A or 319G VHF COM/NAV radios to modify the localiser and glide‑slope flag circuits so they draw power from the 90–150 cycle output filters. The change ensures the ILS warning flags are reliably powered so pilots won’t follow faulty landing signals. Compliance via Rex Aviation Radio Design Change No. 6 was required before 1 January 1966."}},"importantCases":[],"_links":{"self":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification","history":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification/history","analysis":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification/analysis","conflicts":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification/conflicts","importantCases":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification/important-cases","documents":"/api/acts/ad-rad-16-localiser-and-glide-slope-flag-circuit-modification/documents"}}