{"id":"F2006B05880","name":"AD/PA-34/1 - Compass Installation - Inspection for Accuracy","slug":"ad-pa-34-1-compass-installation-inspection-for-accuracy","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135928,"registerId":"commonwealth-F2006B05880-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-34/1 - Compass Installation - Inspection for Accuracy","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-34 (Seneca) Series Aeroplanes\n\n \n\nAD/PA-34/1 Compass Installation - Inspection for Accuracy 5/72\n\nApplicability: Model PA34-200.\n\n \n\nRequirement: Inspect the primary magnetic compass to ensure that its deviation does not exceed 10 degrees when electrical loads required for IFR flight are operated on battery power with both alternators inoperative.\n\n \n\nCompliance: Before issue of a Certificate of Airworthiness.\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":1071},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The text represents the original scope of this specific Airworthiness Directive (dated 5/72), targeting only the compass inspection requirement for the PA34-200 model under specific electrical failure conditions. There is no indication of subsequent expansion to other aircraft systems or models within this excerpt."},"complexity_factors":["Extremely short text (under 100 words)","Single, specific requirement with no subsections or nested conditions","No cross-references to other legislation in the visible text","Only one defined term implied (IFR - Instrument Flight Rules)"],"plain_english_summary":"**What it is:** This is a safety rule (called an Airworthiness Directive) that applies to a specific type of aircraft—the Piper PA-34-200 (Seneca).\n\n**What it requires:** Before the aircraft can be certified as airworthy, the owner or operator must check the primary magnetic compass (the instrument that shows direction) for accuracy. Specifically, they must test it while running the electrical systems needed for instrument flying (IFR) purely on battery power, with both alternators (the generators that charge the battery) turned off or broken.\n\n**The standard:** The compass reading must not be off by more than 10 degrees during this test.\n\n**Why it matters:** This ensures that if the aircraft suffers a complete electrical failure during flight, the pilot can still rely on the compass for navigation and won't get lost due to magnetic interference from the battery-powered systems."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy","history":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy/history","analysis":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy/analysis","conflicts":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy/conflicts","importantCases":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy/important-cases","documents":"/api/acts/ad-pa-34-1-compass-installation-inspection-for-accuracy/documents"}}