{"id":"F2014L01647","name":"CASA ADCX 020/14 - Repeal of Airworthiness Directive","slug":"casa-adcx-020-14-repeal-of-airworthiness-directive","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":128788,"registerId":"commonwealth-F2014L01647-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA ADCX 020/14 - Repeal of Airworthiness Directive","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 ADCX 004/13\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nInstrument number CASA ADCX 020/14\n\nI, DAVID PUNSHON, Acting 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\nDavid Punshon  Acting Manager\n\nContinuing Airworthiness\n\n5 December 2014\n\nRepeal of Airworthiness Directive\n\n1 Commencement\n\n This instrument commences on 18 December 2014.\n\n2 Repeal\n\n The Airworthiness Directive (AD) mentioned in Schedule 1 is repealed on the date specified for it in the Schedule.\n\nSchedule 1 Repeal of AD\n\n| AD | Repeal date |\n| --- | --- |\n| AD/PA-31/41 | 18 December 2014 |\n\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1979},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly the function described in its title—repealing a specific Airworthiness Directive—without expansion into other regulatory areas."},"complexity_factors":["Single operative provision (repeal)","No definitions or interpretation section","No conditional, contingent, or exception provisions","Schedule contains only one entry in a simple table format"],"plain_english_summary":"This instrument cancels a specific aviation safety rule for certain aircraft.\n\n**What it does**\nThe Civil Aviation Safety Authority (CASA) is repealing Airworthiness Directive AD/PA-31/41. This directive previously imposed mandatory safety requirements on Piper PA-31 aircraft (including models commonly known as the Navajo and Chieftain).\n\n**Who it affects**\nOwners and operators of Piper PA-31 series aircraft who were previously required to comply with this specific safety directive.\n\n**Practical effect**\nFrom 18 December 2014, the requirements specified in AD/PA-31/41 no longer apply. These aircraft must still comply with all other applicable safety standards and airworthiness directives."}},"importantCases":[],"_links":{"self":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive","history":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive/history","analysis":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive/analysis","conflicts":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive/conflicts","importantCases":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive/important-cases","documents":"/api/acts/casa-adcx-020-14-repeal-of-airworthiness-directive/documents"}}