{"id":"F2006B07957","name":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-30 & 39 (Twin Comanche) Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114997,"registerId":"commonwealth-F2006B07957-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-30 & 39 (Twin Comanche) 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-30 & 39 (Twin Comanche) Series Aeroplanes\n\nAD Name AD Number\n\nFuel Valve Control Stop - Installation AD/PA-30/1\n\nCarburettor Alternative Air Doors - Replacement AD/PA-30/2\n\nStabilator Torque Tube - Modification AD/PA-30/3\n\nAuto-Pilot Pitch Servo Motor - Modification AD/PA-30/4\n\nInstallation of Vne Placard and Stabilator - Modification AD/PA-30/5 Amdt 2\n\nBaggage Door Latch - Inspection AD/PA-30/6\n\nCabin Heater - Inspection AD/PA-30/7\n\nVmc Placard - Revision AD/PA-30/8\n\nInstallation of Vne Placard AD/PA-30/9\n\nFuel Selector Valve - Modification AD/PA-30/10\n\nAlternator Field Fuse - Installation AD/PA-30/11 Amdt 1\n\nSeat Frame - Modification AD/PA-30/12\n\nPitch Trim Switch - Replacement AD/PA-30/13 Amdt 1\n\nFront Seat Restraint Installations - Modification AD/PA-30/14\n\nFlexible Hose Assemblies - Modification AD/PA-30/15\n\nSystem Voltage Decal - Installation AD/PA-30/16\n\nElectrical Power Indicators - Modification AD/PA-30/17 Amdt 1\n\nBonding Points - Installation AD/PA-30/18\n\nAirflow Modification Kit - Installation AD/PA-30/19\n\nCANCELLED AD/PA-30/20\n\nUncoordinated Manoeuvres - Warning Placard AD/PA-30/21 Amdt 1\n\nLanding Gear and Flap Assemblies - Inspection AD/PA-30/22\n\nStabilator Attachment Bolts - Inspection AD/PA-30/23 Amdt 2\n\nFuselage Aft Bulkhead - Inspection and Modification AD/PA-30/24\n\nStabilator Torque Tube Bearing Block Attachment Fitting AD/PA-30/25 Amdt 3\n\nSuperseded by AD/PA-30/31 - CANCELLED AD/PA-30/26\n\nAutomatic Pilot Roll Servo Shear Pin - Installation AD/PA-30/27\n\nFin Forward Spar Attachment - Inspection AD/PA-30/28\n\nAileron Spar - Inspection and Modification AD/PA-30/29\n\n  \nFuel Selector Valve - Inspection AD/PA-30/30\n\nAileron Nose Rib - Inspection and Modification AD/PA-30/31\n\nFlap Extension Limitation - Warning Placard AD/PA-30/32\n\nWing Main Spar Lower Cap - Inspection AD/PA-30/33\n\nMain Landing Gear Side Brace Stud AD/PA-30/34 Amdt 1\n\nAircraft Flight Manual, Flight into Icing Conditions AD/PA-30/35 Amdt 1","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope not changed: the instrument only revokes and reissues the listed Airworthiness Directives in the same form, preserving the existing obligations and requirements (the instrument's note states each AD is re-made in exactly the same form). The action is administrative rather than substantive."},"complexity_factors":["Administrative action only: revocation and reissuance of multiple ADs without substantive change (note states each AD is re-made in exactly the same form).","Large number of listed ADs (over 30 entries, including amendments, cancellations and a superseded item) increases record-keeping and tracking burden for operators.","Mixture of statuses in Schedule 1 (amendments, cancellations, supersessions) creates potential for stakeholder confusion about current legal instruments.","Centralised decision-making: a CASA delegate exercises authority under subregulation 39.001(1), concentrating discretion in the administrative delegate.","Operational compliance costs fall on aircraft owners/operators and maintenance organisations who must update manuals, placards and maintenance records to match reissued ADs."],"plain_english_summary":"This instrument revokes the Airworthiness Directives listed in Schedule 1 and remakes each as a separate Airworthiness Directive in the same form, under the CASA delegate's authority (subreg 39.001(1)). It affects owners, operators and maintenance organisations of Piper PA‑30 and PA‑39 (Twin Comanche) aircraft because it confirms which ADs they must comply with. Aircraft owners/operators bear the compliance and record‑keeping costs; the CASA delegate makes the administrative decision. The content of each re-made AD is unchanged."},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The legislation maintains its original scope. The note explicitly states each Airworthiness Directive is being re-made 'in exactly the same form as appears in the latest published edition.' This is a procedural renewal to refresh legal validity, not an expansion of regulatory reach."},"complexity_factors":["Single, clear purpose: bulk revocation and remaking of existing instruments","No defined terms section — relies on external understanding of aviation terminology","Simple structure: preamble, signature, explanatory note, and schedule table","No conditional logic or nested exceptions — just a straightforward list","Cross-references limited to Schedule 1 and attached documents (which are not reproduced in full)","34 items in schedule but presented as a simple table with only 3 columns (AD Name, AD Number, notes)"],"plain_english_summary":"This CASA order revokes and reissues 34 Airworthiness Directives for the Piper PA‑30/PA‑39 Twin Comanche, replacing old versions with legally current copies in unchanged form. It affects owners, operators, maintenance engineers and training organisations using these aircraft. The housekeeping move preserves enforceable safety requirements so the fleet remains legally and operationally airworthy."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-30-39-twin-comanche-series-aeroplanes/documents"}}