{"id":"F2013L01566","name":"CASA ADCX 015/13 - Revocation of Airworthiness Directives","slug":"casa-adcx-015-13-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":91365,"registerId":"commonwealth-F2013L01566-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 015/13 - Revocation of Airworthiness Directives","content":"Instrument number CASA ADCX 015/13\n\nI, MICHAEL JAMES HIGGINS, Manager, Continuing Airworthiness, a delegate of CASA, make this instrument under subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998 and subsection 33 (3) of the Acts Interpretation Act 1901.\n\n![](image.001.png)\n\nMike Higgins  \nManager\n\nContinuing Airworthiness\n\n8 August 2013\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\nThis instrument commences on 12 August 2013.\n\n2 Revocation\n\nEach Airworthiness Directive (AD) mentioned in Schedule 1 is revoked on the date specified for it in the Schedule.\n\nSchedule 1 Revocation of AD\n\n| AD                  | Revocation date |\n| ------------------- | --------------- |\n| AD/INST/39          | 12 August 2013  |\n| AD/ARRIEL/22 Amdt 1 | 13 August 2013  |\n| AD/ARRIEL/24 Amdt 2 | 13 August 2013  |\n| AD/BELL 205/74      | 14 August 2013  |\n| AD/BELL 212/69      | 14 August 2013  |\n| AD/BELL 412/55      | 14 August 2013  |","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1504},"content_quality":"ok","complexity_score":2,"rejection_reason":"","scope_assessment":{"changed":false,"description":"The instrument performs exactly the narrow administrative function described in its title—revoking six specific Airworthiness Directives on their scheduled dates. There is no expansion beyond this stated purpose, no additional regulatory requirements imposed, and no broad policy changes introduced."},"complexity_factors":["Single-purpose instrument containing only a revocation schedule with no operative provisions beyond the commencement clause","Only 6 items listed with straightforward calendar dates (no conditional triggers or formulas)","No defined terms, interpretation sections, or explanatory notes","Minimal cross-referencing (only cites the enabling regulation subsections without requiring navigation to other instruments)","No exceptions, exemptions, or nested conditional logic"],"plain_english_summary":"This instrument cancels six specific Airworthiness Directives covering certain instrument equipment, Arriel turboshaft engines, and Bell 205/212/412 helicopters, with revocations dated 12–14 August 2013. Once revoked, those named mandatory inspection and maintenance requirements no longer apply.\n\nIt affects pilots, maintenance engineers, and operators of the listed helicopters and engines, and matters because it removes outdated compliance obligations and associated costs where the original safety issues have been resolved."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-015-13-revocation-of-airworthiness-directives/documents"}}