{"id":"F2006B07963","name":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-42 (Cheyenne III) Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115006,"registerId":"commonwealth-F2006B07963-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-42 (Cheyenne III) Series Aeroplanes","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nPiper PA-42 (Cheyenne III) Series Aeroplanes\n\nAD Name AD Number\n\nPowerplant Firewall - Inspection AD/PA-42/1\n\nNacelle Fuel Tank Check Valve - Installation AD/PA-42/2\n\nTail Fin/Fuselage, Rivet Installation - Replacement AD/PA-42/3\n\nMain Landing Gear Pivot Shaft Assembly Bolts AD/PA-42/4 Amdt 1\n\nMajor Structural Fatigue Limitations AD/PA-42/5\n\nAileron Trim Tab Control Tube and Rudder Trim Cable Retainer Hardware - AD/PA-42/6\n\nFuel Quantity Placards - Replacement AD/PA-42/7\n\nEngine Inlet Fuel Filter - Modification AD/PA-42/8\n\nLanding Gear Upper Bearing Retaining Pins and Strut Assemblies AD/PA-42/9\n\nStall/Flow Strip AD/PA-42/10\n\nHydraulic Hose AD/PA-42/11\n\nEngine Electrical Harness and Starter Generator Cables AD/PA-42/12\n\nMain Landing Gear Forward Side Brace AD/PA-42/13 Amdt 1\n\nTailcone Drain Holes AD/PA-42/14\n\nEngine Mount Tubes and Barrel Nuts AD/PA-42/15\n\nControl Column Control Chain Retainer Clips AD/PA-42/16\n\nMain Landing Gear Actuator Attachment Bolt AD/PA-42/17\n\nElevator Upper Skin Cracking AD/PA-42/18\n\nMain Landing Gear Upper Strut and Oleo Tube Plug AD/PA-42/19\n\nMain Landing Gear Forward Side Brace AD/PA-42/20\n\nMain Landing Gear Upper Strut Housing AD/PA-42/21\n\nUpper Main Landing Gear Housing Lower Side Brace Link Lug AD/PA-42/22\n\nAileron Hinge AD/PA-42/23\n\nAircraft Flight Manual, Flight into Icing Conditions AD/PA-42/24 Amdt 1\n\nAirframe Pneumatic De-icing Boots AD/PA-42/25","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument maintains the exact same scope as the original ADs. It is purely a procedural restructure — changing the legal form (from grouped to separate instruments) without expanding, narrowing, or altering the substantive safety requirements."},"complexity_factors":["Single, clear purpose: revocation and remaking of existing instruments","No defined terms section — relies on external aviation terminology","No conditional logic or nested exceptions in the instrument itself","Structure is a simple table listing 25 ADs with their numbers and descriptive names","Cross-references only to Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) and the attached schedules","Actual technical complexity resides in the 25 attached ADs, not in this instrument"],"plain_english_summary":"This instrument revokes 25 existing CASA Airworthiness Directives for the Piper PA‑42 Cheyenne III series and re‑issues them as 25 separate, standalone legal instruments — keeping the substance of each AD unchanged. It is administrative housekeeping: safety requirements, inspections and corrective actions remain the same, but the legal format is reorganised.\n\nWho’s affected: owners, operators and maintenance engineers of PA‑42 Cheyenne III aircraft."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument does not change substantive scope: it revokes the listed Airworthiness Directives and re‑makes them in the same form (see Schedule 1 and the instrument note stating each AD is re‑made \"in exactly the same form\")."},"complexity_factors":["Legal action is procedural: revocation and remaking of existing ADs rather than substantive amendments (note: \"exactly the same form\" statement).","Large number of separate ADs listed in Schedule 1 (25 entries) increases administrative and compliance coordination for operators.","Technical compliance requirements are located in the attached ADs (not reproduced here), so substantive technical complexity is external to this instrument.","Reference to statutory power: action taken under subregulation 39.001(1), requiring understanding of enabling regulation.","Some ADs show amendment flags (e.g. \"Amdt 1\"), indicating prior amendments that operators must track.","Instrument centralises legal form but does not change operational obligations, reducing legal drafting complexity while preserving operational compliance burdens."],"plain_english_summary":"**Summary:** This instrument, made by a CASA delegate under subregulation 39.001(1), revokes a group of existing airworthiness directives for Piper PA‑42 (Cheyenne III) aeroplanes and remakes each directive as a separate instrument in the same form. Owners and operators remain legally required to comply with those directives (Schedule 1). Operators pay for inspections, parts and repairs; the CASA delegate decides the legal form and continuation of the obligations, and affected operators must follow the listed ADs, creating maintenance and compliance demands."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-42-cheyenne-iii-series-aeroplanes/documents"}}