{"id":"F2006B05651","name":"AD/PA-30/1 - Fuel Valve Control Stop - Installation","slug":"ad-pa-30-1-fuel-valve-control-stop-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135342,"registerId":"commonwealth-F2006B05651-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-30/1 - Fuel Valve Control Stop - Installation","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\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)  Piper PA-30 & 39 (Twin Comanche) Series Aeroplanes\n\n \n\nAD/PA-30/1 Fuel Valve Control Stop - Installation 12/63\n\nApplicability: Model PA-30 with S/Nos. below 30-132 as detailed in compliance document. Document:               Piper SL No. 408.\n\nCompliance: Forthwith.\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\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":1501},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive remains tightly focused on its original purpose: mandating a specific safety modification (fuel valve control stop) for early production PA-30 aircraft. It has not expanded to cover other models, later serial numbers, or additional systems."},"complexity_factors":["Single sentence applicability criterion (specific model and serial number range)","Immediate compliance requirement with no conditional exceptions or alternative methods","No defined terms or interpretation section","Single mechanical action required with no procedural sub-steps in the directive itself","No cross-references to other legislation beyond the enabling Part 39"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners/operators of Piper PA‑30 Twin Comanche aircraft (serial numbers below 30‑132, per Piper Service Letter No. 408) to install a fuel valve control stop. Compliance is immediate—must be done before flight—to prevent unsafe fuel‑valve movement that could cause engine fuel starvation."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation","history":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation/history","analysis":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation/analysis","conflicts":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation/conflicts","importantCases":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation/important-cases","documents":"/api/acts/ad-pa-30-1-fuel-valve-control-stop-installation/documents"}}