{"id":"F2006B07919","name":"Airworthiness Directives 2004 - Revocation and Remaking - Maule M-4 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50958,"registerId":"commonwealth-F2006B07919-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 - Maule M-4 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\nMaule M-4 Series Aeroplanes\n\nAD Name AD Number\n\nFuel System - Modification AD/ML-M4/1\n\nAttachment of Fuselage Fabric to Upper Windshield Channel - Modification AD/ML-M4/2\n\nElevator Trim Control - Modification AD/ML-M4/3\n\nEngine Mount Rear Support Fittings - Modification AD/ML-M4/4\n\nRudder Trim Tab Control - Modification AD/ML-M4/5\n\nWing Inspection Holes - Modification AD/ML-M4/6\n\nAileron Control System - Modification AD/ML-M4/7\n\nFlight Control System Pulley - Modification AD/ML-M4/8\n\nFront Seat Restraint Installations - Modification AD/ML-M4/9\n\nFuel Return Lines - Inspection and Modification AD/ML-M4/10\n\nEngine Mount - Inspection and Modification AD/ML-M4/11\n\nBucket Seats Retention - Inspection AD/ML-M4/12\n\nHorizontal Tail to Fuselage Front Attach Tubes - Inspection and Modification AD/ML-M4/13\n\nRudder Bar - Inspection and Modification AD/ML-M4/14 Amdt 1\n\nRetirement Life of Fatigue Critical Components AD/ML-M4/15 Amdt 4\n\nWing Lift Struts AD/ML-M4/16 Amdt 1\n\nGascolator and Electric Fuel Pump - Proximity to Dual Exhaust System AD/ML-M4/17\n\nNicopress Sleeves on Control Cables AD/ML-M4/18","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The legislation maintains its original narrow scope. It is purely procedural — revoking and remaking existing Airworthiness Directives for Maule M-4 aircraft without expanding to other aircraft types or adding new substantive requirements. The note confirms the content remains identical to the 'latest published edition' of each directive."},"complexity_factors":["Very short document (under 500 words)","Simple binary structure: revocation + remaking","No defined terms section","No conditional logic or exceptions","Cross-reference only to Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) and the attached schedules","Tabular schedule listing 18 items with minimal detail","Note explicitly states directives are remade 'in exactly the same form' — no substantive changes to analyze"],"plain_english_summary":"This CASA order revokes 18 existing Airworthiness Directives for Maule M‑4 series aeroplanes and immediately remakes them as 18 separate, identical instruments. The substance of each rule is unchanged; the move simply creates standalone, easier-to-track legal documents.\n\nIt affects Maule M‑4 owners, operators, licensed maintenance engineers, and CASA’s enforcement processes because these directives remain legally binding safety obligations."},"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 change to scope. The instrument revokes the listed ADs and re‑issues each in the same form (see note), so the operative obligations on owners/operators remain those already set out in the existing ADs. Authority for the action is subregulation 39.001(1)."},"complexity_factors":["Delegated power: made by a CASA delegate under subregulation 39.001(1) (authority concentrated in a delegate).","Administrative mechanism: instrument simultaneously revokes and remakes multiple ADs (Schedule 1 lists 18 ADs), creating separate instruments for each directive.","No substantive change: note states each re‑made AD is in \"exactly the same form\" as the latest published edition, limiting legal change but adding an administrative step.","Technical content: the ADs concern airworthiness items (fuel system, control systems, mounts, inspections, retirement lives) that require specialist maintenance/compliance.","Compliance burden: inspections, modifications and life‑limits in the listed ADs impose direct costs and record‑keeping obligations on owners/operators and maintenance organisations.","Historical layering: some ADs show amendment numbers (eg Amdt 1, Amdt 4), indicating prior changes that operators must track to confirm current requirements.","Potential for procedural ambiguity: revocation and reissuance as separate instruments can require stakeholders to reconcile dates and instrument identifiers in maintenance records."],"plain_english_summary":"This instrument revokes a set of existing airworthiness directives for Maule M‑4 series aeroplanes and reissues each directive as a separate, identical instrument under CASA’s delegated power (subreg 39.001(1)).\n\nIt affects owners, operators and maintenance organisations of Maule M‑4 aircraft, who must continue to carry out the listed inspections, modifications and life‑limits; the practical costs are borne by those who maintain and operate the aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-maule-m-4-series-aeroplanes/documents"}}