{"id":"F2006B05767","name":"AD/PA-31/62 - Flap Operation Placard - Installation","slug":"ad-pa-31-62-flap-operation-placard-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":135626,"registerId":"commonwealth-F2006B05767-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/PA-31/62 - Flap Operation Placard - Installation","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nPiper PA-31 Series Aeroplanes\n\nAD/PA-31/62 Flap Operation Placard \\- Installation 2/78\n\nApplicability: All PA-31T aeroplanes.\n\nRequirement: 1. Install an approved placard in the cockpit of the aeroplane adjacent to the flap selector conveying the following intent:\n\nCAUTION\n\nWHEN SELECTING AN “APPROACH” FLAP POSITION AND THE SELECTOR IS INADVERTENTLY MOVED BEYOND THE “APPROACH” DETENT, THE SELECTOR MUST BE RETURNED TO ITS ORIGINAL POSITION AND THEN BACK TO “APPROACH” IN ORDER TO REPROGRAM THE SELECTOR. RETURNING THE SELECTOR TO THE “APPROACH” DETENT WITHOUT REPROGRAMMING WILL RETURN THE FLAPS TO THEIR ORIGINAL POSITION.\n\n2. Insert this Caution in the FAA approved Pilots Operating Handbook Piper Report 2048 being part of the Australian approved Flight Manual. This insertion may be removed after incorporation of Piper PA31T Revision 4 dated December 9, 1977 into Report 2048.\n\nCompliance: Before issue of a Certificate of Airworthiness.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1923},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive remains focused on its original purpose of addressing a specific flap selector system anomaly in PA-31T aircraft. The text shows no evidence of scope creep beyond the original intent to mandate cockpit placarding and flight manual amendments for this particular safety issue."},"complexity_factors":["Single aircraft type applicability (PA-31T series only)","One primary requirement with two simple mechanical actions (install placard and insert page in manual)","No cross-references to other legislative instruments or regulations","No conditional compliance timelines or nested exceptions","Plain language operative text with specific procedural intent"],"plain_english_summary":"A safety directive for Piper PA-31T aircraft requires a cockpit placard and a flight‑manual warning about a flap‑selector quirk: if the selector is accidentally moved past “APPROACH,” it won’t return to APPROACH unless reprogrammed. Owners and operators must comply before a Certificate of Airworthiness is issued. The measure aims to reduce landing accidents from unexpected flap positions."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-31-62-flap-operation-placard-installation","history":"/api/acts/ad-pa-31-62-flap-operation-placard-installation/history","analysis":"/api/acts/ad-pa-31-62-flap-operation-placard-installation/analysis","conflicts":"/api/acts/ad-pa-31-62-flap-operation-placard-installation/conflicts","importantCases":"/api/acts/ad-pa-31-62-flap-operation-placard-installation/important-cases","documents":"/api/acts/ad-pa-31-62-flap-operation-placard-installation/documents"}}