{"id":"F2010L03234","name":"CASA ADCX 033/10 - Revocation of Airworthiness Directives","slug":"casa-adcx-033-10-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":85441,"registerId":"commonwealth-F2010L03234-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 033/10 - Revocation of Airworthiness Directives","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: Revocation of directions\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: CASA 354/06\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nInstrument number CASA ADCX 033/10\n\nI, DAVID ALAN VILLIERS, Section Head, Initial Airworthiness, a delegate of CASA, make this instrument under subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998.\n\n\n![](image.001.png) \n\nDavid Villiers  Section Head\n\nInitial Airworthiness\n\n10 December 2010\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\n This instrument commences on 14 December 2010.\n\n2 Revocation\n\n Each Airworthiness Directive (AD) mentioned in Schedule 1 is revoked on the date specified for it in the Schedule.\n\nSchedule 1 Revocation of ADs\n\n| AD | Revocation date |\n| --- | --- |\n| AD/ECUREUIL/128 | 15 December 2010 |\n| AD/EC 135/21 Amdt 2 | 15 December 2010 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1475},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument remains precisely focused on its original purpose of revoking specific Airworthiness Directives. The scope has not expanded beyond the two helicopter models and specific ADs identified in the title and Schedule 1."},"complexity_factors":["Extremely short instrument affecting only two specific regulatory documents","No defined terms, interpretation section, or legal definitions","Single operative action (revocation) with no conditions, exceptions, or nested logic","No cross-references to other legislation beyond the enabling regulation (CASR 39.001)","Straightforward schedule/table format listing only two items with fixed dates"],"plain_english_summary":"This instrument **cancels two specific Airworthiness Directives** (safety notices issued by the aviation regulator requiring mandatory maintenance or inspections) for certain helicopter models.\n\n**What it does:**\n- Revokes (cancels) safety directive **AD/ECUREUIL/128** for Ecureuil helicopters (also known as AS350 or 'Squirrel' models)\n- Revokes (cancels) safety directive **AD/EC 135/21 Amendment 2** for EC135 helicopters\n\n**Who it affects:**\nOwners and operators of these specific helicopter models who were previously required to comply with these safety directives.\n\n**Why it matters:**\nThese directives are no longer needed—likely because the safety issues have been resolved through design changes, alternative safety measures have been implemented, or the affected aircraft have been retired. This reduces regulatory burden on operators by removing outdated compliance requirements."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-033-10-revocation-of-airworthiness-directives/documents"}}