{"id":"F2012L01698","name":"CASA ADCX 018/12 - Revocation of Airworthiness Directives","slug":"casa-adcx-018-12-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":89659,"registerId":"commonwealth-F2012L01698-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 018/12 - Revocation of Airworthiness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 018/12\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.\n\n \n\n![](image.001.png)\n\nMike Higgins  Manager\n\nContinuing Airworthiness\n\n14 August 2012\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\n This instrument commences on 20 August 2012.\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/RAD/39 Amdt 1 | 20 August 2012 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1558},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument is strictly limited to its stated purpose of revoking specific Airworthiness Directives, with no expansion beyond the original administrative intent."},"complexity_factors":["Single operative provision (revocation)","Only one item in the Schedule (AD/RAD/39 Amdt 1)","No defined terms or interpretation section","No conditional logic, exceptions, or nested provisions","No internal cross-references requiring navigation","Minimal length (less than one page)"],"plain_english_summary":"**What this does:** This instrument cancels (revokes) a specific mandatory aircraft safety instruction—known as an **Airworthiness Directive**—that previously required certain maintenance or modifications to be performed on aircraft equipment.\n\n**Who it affects:** Aircraft operators, pilots, and maintenance engineers who were required to comply with **AD/RAD/39 Amdt 1** (a directive relating to radio/radar equipment). Once revoked, these parties no longer need to follow that specific directive.\n\n**Why it matters:** This removes an outdated or superseded safety requirement, reducing compliance costs and administrative burden for the aviation industry. The revocation takes effect on **20 August 2012**."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-018-12-revocation-of-airworthiness-directives/documents"}}