{"id":"F2006B01911","name":"AD/A320/20 - Overwing Escape Slide","slug":"ad-a320-20-overwing-escape-slide","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41133,"registerId":"commonwealth-F2006B01911-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/A320/20 - Overwing Escape Slide","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 10/1991,Aircraft above 5700 kg,Airbus Industrie A319, A320 and A321 Series Aeroplanes,Overwing Escape Slide,20\ntitle: Airworthiness Directive - AD/A320/20 - Overwing Escape Slide\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Airbus Industrie A319, A320 and A321 Series Aeroplanes\n\n \n\nAD/A320/20 Overwing Escape Slide 10/91\n\nApplicability: Model A320 with serial numbers 002 through 162, 167 and 171 through 174. Requirement:               Action in accordance with the Technical Requirements of DGAC AD 91-153-018(B).\n\nNote: Airbus Industrie AOT 25-02 refers.\n\n \n\nCompliance: As specified in the Requirement Document with a revised effective date of 3 October 1991 for Australian registered aircraft.\n\n \n\nBackground:  This Directive requires an inspection in order to prevent any possible risk of overwing Emergency Escape Slide deployment failure. The effective date required by the DGAC is extended by two months.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1969},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is the original issue (10/1991) of the directive, establishing the scope to address overwing escape slide failures on specific Airbus A320 aircraft. No expansion beyond the original safety intent is evident."},"complexity_factors":["Requires cross-referencing external technical documents (DGAC AD 91-153-018(B) and Airbus AOT 25-02)","Narrow applicability limited to specific aircraft serial numbers","Short single-requirement directive with minimal conditional logic"],"plain_english_summary":"This Airworthiness Directive mandates a safety inspection for specific Airbus A320 aircraft to prevent overwing emergency escape slides from failing to deploy during an emergency evacuation.\n\n**Who is affected?**\nOwners and operators of Airbus A320 aircraft with serial numbers 002 through 162, 167, and 171 through 174.\n\n**What must be done?**\nYou must inspect the overwing escape slides according to technical requirements set by the French aviation authority (DGAC AD 91-153-018(B)), as referenced in Airbus Industrie Alert Operators Transmission (AOT) 25-02.\n\n**When?**\nAustralian registered aircraft must comply by 3 October 1991—two months later than the original French requirement.\n\n**Why does this matter?**\nThe directive fixes a potential defect that could prevent emergency slides from working during an evacuation, risking passenger and crew safety."}},"importantCases":[],"_links":{"self":"/api/acts/ad-a320-20-overwing-escape-slide","history":"/api/acts/ad-a320-20-overwing-escape-slide/history","analysis":"/api/acts/ad-a320-20-overwing-escape-slide/analysis","conflicts":"/api/acts/ad-a320-20-overwing-escape-slide/conflicts","importantCases":"/api/acts/ad-a320-20-overwing-escape-slide/important-cases","documents":"/api/acts/ad-a320-20-overwing-escape-slide/documents"}}