{"id":"F2006B05693","name":"AD/PA-31/107 - Fuel Quantity Placards","slug":"ad-pa-31-107-fuel-quantity-placards","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135480,"registerId":"commonwealth-F2006B05693-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-31/107 - Fuel Quantity Placards","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-31 Series Aeroplanes\n\n \n\nAD/PA-31/107 Fuel Quantity Placards 7/84\n\nApplicability: All models PA-31T with S/Nos. 31T-7400002 to 31T-8120104; all models PA-31T1 with S/Nos. 31T-7804001 to 31T-8104101 (fitted with tip tanks); PA-31T2 with S/Nos. 31T-8166001 to 31T-8166076.\n\n \n\nRequirement: Action in accordance with Piper SB No. 776. Compliance:  Within 100 hours time in service after 31 August 1984.\n\nBackground:  The manufacturer has determined that the placarded total fuel capacity and total usable fuel quantity must be reduced. Therefore, replacement placards have been produced and pilots operating hand-books and weight and balance plotters amended.\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":2496},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope as a specific technical corrective action for fuel placard inaccuracies on identified Piper aircraft models. It has not expanded beyond this original safety purpose."},"complexity_factors":["Narrow applicability restricted to specific manufacturer serial number ranges","Compliance deadline calculated using 'time in service' (flight hours) rather than calendar date","Requires adherence to external technical standard (Piper Service Bulletin No. 776) not reproduced within the directive"],"plain_english_summary":"This AD requires owners/operators of specified Piper PA‑31T, PA‑31T1 (tip tanks), and PA‑31T2 airplanes (limited serial-number ranges) to replace fuel quantity placards and update pilot handbooks/weight‑and‑balance data because the original placards overstated usable fuel, creating a risk of fuel exhaustion. Compliance was mandated within 100 hours’ time‑in‑service after August 31, 1984."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-107-fuel-quantity-placards","history":"/api/acts/ad-pa-31-107-fuel-quantity-placards/history","analysis":"/api/acts/ad-pa-31-107-fuel-quantity-placards/analysis","conflicts":"/api/acts/ad-pa-31-107-fuel-quantity-placards/conflicts","importantCases":"/api/acts/ad-pa-31-107-fuel-quantity-placards/important-cases","documents":"/api/acts/ad-pa-31-107-fuel-quantity-placards/documents"}}