{"id":"F2011L01404","name":"CASA ADCX 013/11 - Revocation of Airworthiness Directives","slug":"casa-adcx-013-11-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":125657,"registerId":"commonwealth-F2011L01404-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 013/11 - Revocation of Airworthiness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 013/11\n\nI, DAVID PUNSHON, A/Manager, Continuing Airworthiness, a delegate of CASA, make this instrument under subregulation 39.001 (1) of the Civil Aviation Safety Regulations 1998.\n\n![](image.001.png)\n\nDavid Punshon  A/Manager\n\nContinuing Airworthiness\n\n27 June 2011\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\n This instrument commences on 4 July 2011.\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/R22/54 Amdt 3 | 5 July 2011 |\n| AD/R44/22 Amdt 4 | 5 July 2011 |\n| AD/B767/157 Amdt 1 | 22 July 2011 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1429},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly the limited administrative function stated in its title—revoking three specific Airworthiness Directives. No expansion of scope beyond this narrow purpose."},"complexity_factors":["Document contains only 3 items in a simple table/schedule","No definitions section or interpretation provisions","Single operative mechanism (revocation) with no conditions or exceptions","No cross-references to other legislation beyond the enabling regulation"],"plain_english_summary":"This instrument **cancels three specific aircraft maintenance requirements** (called Airworthiness Directives or ADs) that were previously mandatory.\n\n**What it does:**\n- Revokes AD/R22/54 Amdt 3 for Robinson R22 helicopters (effective 5 July 2011)\n- Revokes AD/R44/22 Amdt 4 for Robinson R44 helicopters (effective 5 July 2011)\n- Revokes AD/B767/157 Amdt 1 for Boeing 767 aircraft (effective 22 July 2011)\n\n**Who it affects:**\nOwners and operators of these specific aircraft models no longer need to comply with these particular maintenance instructions after the specified dates.\n\n**Why it matters:**\nAirworthiness Directives are mandatory safety rules issued when CASA finds unsafe conditions in aircraft. Revoking them removes regulatory burden when the safety issue is resolved, the directive becomes redundant, or a newer rule replaces it."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-013-11-revocation-of-airworthiness-directives/documents"}}