{"id":"F2011L00731","name":"CASA ADCX 009/11 - Revocation of Airworthiness Directives","slug":"casa-adcx-009-11-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":86431,"registerId":"commonwealth-F2011L00731-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 009/11 - Revocation of Airworthiness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 009/11\n\nI, CHARLES LENARCIC, 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\nCharles Lenarcic  A/Manager\n\nContinuing Airworthiness\n\n11 May 2011\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\n This instrument commences on 18 May 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/ERJ-170/9 Amdt 1 | 30 May 2011 |\n| AD/A320/201 | 19 May 2011 |\n| AD/RB211/42 | 20 May 2011 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1774},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs a narrow, routine administrative function exactly as described. It has not expanded beyond the specific purpose of revoking three named Airworthiness Directives."},"complexity_factors":["Extremely short instrument containing only 2 operative clauses","No definitions section or technical legal terminology","Simple tabular format listing only three items","No conditional provisions, exceptions, or cross-references to other laws"],"plain_english_summary":"**What this does:** This instrument cancels (revokes) three specific Airworthiness Directives (ADs). ADs are mandatory safety notices issued by the Civil Aviation Safety Authority (CASA) that require aircraft owners and operators to fix specific defects or perform particular maintenance.\n\n**Which directives are cancelled:**\n* **AD/ERJ-170/9 Amdt 1** — affecting Embraer ERJ-170 regional jets\n* **AD/A320/201** — affecting Airbus A320 aircraft\n* **AD/RB211/42** — affecting aircraft powered by Rolls-Royce RB211 engines (used in Boeing 747s, 757s, and Lockheed Tristars)\n\n**What this means for operators:** After the revocation date specified for each AD, aircraft operators no longer need to comply with that specific directive. This typically occurs when a safety issue has been permanently resolved through design changes, or when the requirement is no longer necessary for airworthiness.\n\n**Who made this:** A delegate of CASA exercising powers under the *Civil Aviation Safety Regulations 1998*."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-009-11-revocation-of-airworthiness-directives/documents"}}