{"id":"F2006B05485","name":"AD/PA-23/58 Amdt 1 - Uncoordinated Manoeuvres - Warning Placard","slug":"ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":46303,"registerId":"commonwealth-F2006B05485-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-23/58 Amdt 1 - Uncoordinated Manoeuvres - Warning Placard","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-23 (Apache and Aztec) Series Aeroplanes\n\n \n\nAD/PA-23/58\n\nAmdt 1\n\n\nUncoordinated Manoeuvres - Warning Placard 11/75\n\n \n\nApplicability: Model PA-23-250 with S/Nos. 27-2322 to 27-2504 (fuel injected only). Model PA-23-250 and Model PA-E23-250 with S/Nos. 27-2505 to 27-7405476.\n\n \n\nDocument: Piper SB No. 456A.\n\n \n\nCompliance: Within 100 hours time in service after 31 July 1975.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2142},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Amendment 1 maintains the original scope of requiring warning placards for uncoordinated manoeuvres on specified Piper aircraft. No expansion beyond the original aircraft safety purpose is evident in the text."},"complexity_factors":["Short, single-issue directive targeting specific aircraft by serial number ranges","References external technical document (Piper Service Bulletin 456A) without reproducing its contents","Technical compliance threshold requiring operational flight hours tracking ('100 hours time in service')","Limited applicability with model and serial number distinctions"],"plain_english_summary":"This mandatory Airworthiness Directive requires owners of specified Piper PA-23 Apache and Aztec aircraft (serials 27-2322 to 27-7405476) to install a cockpit warning placard per Piper Service Bulletin No. 456A. The placard warns pilots about the risks of uncoordinated manoeuvres (slip/skid) that can interrupt fuel flow or cause engine stalling. Compliance was required within 100 flight hours after 31 July 1975."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard","history":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard/history","analysis":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard/analysis","conflicts":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard/conflicts","importantCases":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard/important-cases","documents":"/api/acts/ad-pa-23-58-amdt-1-uncoordinated-manoeuvres-warning-placard/documents"}}