{"id":"F2013L01637","name":"CASA ADCX 017/13 - Revocation of Airworthiness Directives","slug":"casa-adcx-017-13-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":91445,"registerId":"commonwealth-F2013L01637-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 017/13 - Revocation of Airworthiness Directives","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: Revocation of Airworthiness Directives\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: CASA ADCX 017/13\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nInstrument number CASA ADCX 017/13\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  Manager\n\nContinuing Airworthiness\n\n20 August 2013\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\n This instrument commences on 30 August 2013.\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 AD\n\n| AD | Revocation date |\n| --- | --- |\n| AD/DHC-8/150 | 30 August 2013 |\n| AD/B737/318 | 20 September 2013 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1391},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly the function stated in its title—revoking two specific Airworthiness Directives—without expanding into broader regulatory amendments or creating new obligations."},"complexity_factors":["Instrument contains only 2 operative provisions plus a schedule","No definitions or interpretation section required","Simple tabular schedule with only 2 entries","No conditional logic, exceptions, or cross-references to other legislation","Straightforward revocation without transitional or savings provisions"],"plain_english_summary":"**What this does**\n\nThis instrument cancels (revokes) two specific aviation safety rules called **Airworthiness Directives** (ADs). These are mandatory safety instructions issued by CASA that aircraft owners must follow to keep their planes airworthy and safe to fly.\n\n**Who is affected**\n\nOwners and operators of:\n- **De Havilland Canada Dash 8** aircraft (specifically AD/DHC-8/150)\n- **Boeing 737** aircraft (specifically AD/B737/318)\n\n**What changes**\n\n- **From 30 August 2013**: The Dash 8 directive is cancelled\n- **From 20 September 2013**: The Boeing 737 directive is cancelled\n\nOnce revoked, operators of these aircraft types no longer need to comply with the specific maintenance, inspection, or modification requirements contained in these two directives."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-017-13-revocation-of-airworthiness-directives/documents"}}