{"id":"F2014L00041","name":"CASA ADCX 026/13 - Revocation of Airworthiness Directives","slug":"casa-adcx-026-13-revocation-of-airworthiness-directives","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":128321,"registerId":"commonwealth-F2014L00041-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 026/13 - Revocation of Airworthiness Directives","content":"Instrument number CASA ADCX 026/13\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![HIGGINS_M](image.001.png)\n\nMike Higgins  \nManager\n\nContinuing Airworthiness\n\n6 January 2014\n\nRevocation of Airworthiness Directives\n\n1 Commencement\n\nThis instrument commences on 8 January 2014.\n\n2 Revocation\n\nEach 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/B727/205 Amdt 1 | 8 January 2014  |\n| AD/PA-11/2 Amdt 5  | 14 January 2014 |\n| AD/PA-11/5 Amdt 8  | 14 January 2014 |\n| AD/PA-20/3 Amdt 6  | 14 January 2014 |\n| AD/PA-20/17 Amdt 7 | 14 January 2014 |\n| AD/PA-22/9 Amdt 5  | 14 January 2014 |\n| AD/PA-22/33 Amdt 7 | 14 January 2014 |","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1132},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly the function described in its title and enabling provisions—revoking specific Airworthiness Directives. There is no expansion beyond the original purpose of removing outdated regulatory requirements for specific aircraft types."},"complexity_factors":["Single operative provision (revocation) with no conditions","No defined terms or interpretation section","Simple tabular format listing only 7 discrete items","No cross-references to other legislation beyond standard enabling provisions"],"plain_english_summary":"This instrument cancels (revokes) seven outdated **Airworthiness Directives** for specific aircraft models. Airworthiness Directives are mandatory safety notices issued by the Civil Aviation Safety Authority (CASA) that require aircraft owners to fix known safety problems.\n\n**What this does:**\n- Removes compliance requirements for seven specific safety directives\n- Affects **Boeing 727** and **Piper** aircraft models (PA-11, PA-20, and PA-22 series)\n- The cancellations take effect on either 8 or 14 January 2014, depending on the directive\n\n**Who it affects:**\nOwners and operators of these specific aircraft types, who will no longer need to follow these particular safety requirements once revoked.\n\n**Why it matters:**\nThis is administrative housekeeping—removing old safety requirements that are no longer necessary, reducing regulatory burden on aircraft owners while maintaining safety standards through other means."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives","history":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives/history","analysis":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives/analysis","conflicts":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives/conflicts","importantCases":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives/important-cases","documents":"/api/acts/casa-adcx-026-13-revocation-of-airworthiness-directives/documents"}}