{"id":"F2006B07928","name":"Airworthiness Directives 2004 - Revocation and Remaking - Mooney M20 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50978,"registerId":"commonwealth-F2006B07928-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Mooney M20 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\nMooney M20 Series Aeroplanes\n\nAD Name AD Number\n\nCANCELLED AD/M20/1\n\nNose Gear Legs - Crack Inspection AD/M20/2 Amdt 1\n\nCANCELLED AD/M20/3\n\nWing Skin at Station 59.25 - Modification AD/M20/4\n\nCANCELLED AD/M20/5 Amdt 1\n\nInstallation of Engine Speed Restriction Placard AD/M20/6\n\nLanding Gear Warning System - Modification AD/M20/7 Amdt 1\n\nCANCELLED AD/M20/8\n\nRudder Drain Hole - Modification AD/M20/9\n\nMain Landing Gear Retraction Truss - Inspection AD/M20/10\n\nMain Landing Gear Retraction Truss - Modification AD/M20/11\n\nRudder Seals - Installation AD/M20/12\n\nReplacement of Quadrant Cover and Flap Actuator Switch AD/M20/13\n\nPropeller Inspection and Operating Restriction AD/M20/14\n\nCANCELLED AD/M20/15\n\nFront Seat Restraint Installations - Modification AD/M20/16\n\nElevator Trim Tubes AD/M20/17 Amdt 1\n\nNose Gear Steering Horn Assembly Steering Shaft - Replacement AD/M20/18\n\nCANCELLED AD/M20/19\n\nFlap Hinges Corrosion AD/M20/20 Amdt 1\n\nEngine Mount - Inspection and Repair AD/M20/21\n\nEmpennage Attach Brackets AD/M20/22 Amdt 1\n\nLow Fuel Pressure Warning - Removal AD/M20/23\n\nMain Spar AD/M20/24 Amdt 2\n\nDukes Electric Landing Gear Actuator - Inspection AD/M20/25\n\nLanding Gear Actuator - Replacement AD/M20/26\n\nCANCELLED AD/M20/27 Amdt 2\n\nAutomatic Pilot Control Wheel Disengage Switch Circuit - Modification AD/M20/28\n\nCANCELLED AD/M20/29\n\n  \nControl Wheel Shaft - Inspection AD/M20/30 Amdt 2\n\nPilots Seats Installations - Modification AD/M20/31\n\nFuselage Tubular Structure AD/M20/32 Amdt 5\n\nMain Landing Gear Retracting Link Bolt - Replacement AD/M20/33\n\nFuel Tank Finger Strainer - Inspection AD/M20/34\n\nAutopilot Pitch Servo Actuator Stop Bracket - Installation AD/M20/35\n\nRear Spar Centre Splice - Inspection AD/M20/36\n\nLower Empennage Hinge Assembly - Inspection and Modification AD/M20/37\n\nFuselage Tubular Structure - Modification AD/M20/38\n\nFuel Filter Assembly AD/M20/39 Amdt 1\n\nOil Pressure Transducer Installation - Modification AD/M20/40\n\nrosonic Fuel Flow Transducers - Inspection and Replacement AD/M20/41\n\nAutopilot Servo Cable Guards AD/M20/42\n\nFuel Tanks - Caps, Tank Bays and Rib Stations AD/M20/43 Amdt 1\n\nBaggage Door Inside Latch AD/M20/44\n\nOvervoltage Warning Light AD/M20/45\n\nTailpipe Coupling AD/M20/46\n\nRudder Static Balance AD/M20/47\n\nM20R Exhaust System AD/M20/48\n\nFuel Selector Valve AD/M20/49\n\nM20J Alternate Air Inlet Door AD/M20/50 Amdt 1\n\nMain Landing Gear Side Brace Bolt AD/M20/51\n\nAileron Control Link AD/M20/52","sortOrder":0}],"analysis":{"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"},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"No substantive scope change. The delegate revoked listed ADs and reissued each as separate instruments 'in exactly the same form' as the latest published editions (action taken under subregulation 39.001(1)). The measure is administrative: it preserves existing mandatory requirements while changing how they are packaged and published."},"complexity_factors":["Large number of individual Airworthiness Directives (ADs) listed in Schedule 1 covering varied systems (landing gear, fuel, empennage, controls, etc.).","Mix of actions in the list: some ADs are cancelled while others are re-made, creating potential for administrative confusion.","Presence of amendment markers (e.g. 'Amdt 1', 'Amdt 2', 'Amdt 5') requires tracking of historical versions to confirm identical remaking.","Instrument relies on a single delegated power (subregulation 39.001(1)), but produces multiple separate instruments attached — increasing recordkeeping and publication tasks.","Note states remade ADs are 'exactly the same' as latest published editions, so verification requires cross‑checking external AD publications.","Operational compliance burden is distributed across many small holders (aircraft owners/operators and maintenance organisations) rather than a single regulated entity."],"plain_english_summary":"A delegate of the Civil Aviation Safety Authority, acting under subregulation 39.001(1), revoked a list of Airworthiness Directives for Mooney M20 series aeroplanes and re‑made each one as a separate legal instrument. This affects owners, operators and maintenance organisations of Mooney M20 aircraft by preserving existing mandatory inspection, modification and reporting requirements while reissuing them as distinct instruments; the remade directives are stated to be identical to the latest published editions."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument performs exactly the function described in its title — revoking and remaking Airworthiness Directives for Mooney M20 aircraft. The scope is narrow, technical, and unchanged from the original intent. It does not expand to cover other aircraft types or introduce new substantive safety requirements."},"complexity_factors":["Very short document (under 2 pages)","No defined terms section — uses plain language","Simple binary structure: revoke some items, remake others","No conditional logic or nested exceptions","Schedule 1 is a simple table listing directive numbers and titles","Single operative provision (subregulation 39.001(1)) with straightforward (a) and (b) limbs","No cross-references to other legislation beyond the enabling regulation"],"plain_english_summary":"This CASA order revokes 11 outdated Airworthiness Directives and reissues 41 existing ADs as current legal instruments for the Mooney M20 series. It affects Mooney M20 owners, operators, maintenance engineers and organisations in Australia by clarifying which mandatory safety requirements remain in force. This is largely a housekeeping action — no new safety rules are created, but the legal status of existing ADs is refreshed."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mooney-m20-series-aeroplanes/documents"}}