{"id":"F2006B08013","name":"Airworthiness Directives 2004 - Revocation and Remaking - Rotax Piston Engines","slug":"airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115077,"registerId":"commonwealth-F2006B08013-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 - Rotax Piston Engines","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\nRotax Piston Engines\n\nAD Name AD Number\n\nIgnition Unit Rework AD/ROTAX/1\n\nIgnition Electronic Module AD/ROTAX/2\n\nIgnition Electronic Module Wiring AD/ROTAX/3\n\nElectronic Module With ( Filter AD/ROTAX/4\n\nCarburettor Contamination AD/ROTAX/5\n\nCamshaft Hardness Check AD/ROTAX/6\n\nFuel Pump P/N 996 592 AD/ROTAX/7\n\nIgnition Unit Stator Assembly AD/ROTAX/8\n\nPropeller Gearbox Inspection AD/ROTAX/9\n\nCrack Inspection AD/ROTAX/10\n\nFuel Pump Replacement AD/ROTAX/11\n\nOil System Venting AD/ROTAX/12\n\nMixture Enrichment Jet AD/ROTAX/13\n\nTurbo Charger Pressure Oil Line Banjo Bolt AD/ROTAX/14\n\nInspection of Exhaust Bends AD/ROTAX/15\n\nInspect/Replace Engine Mount AD/ROTAX/16\n\nCracks in the Crankcase AD/ROTAX/17 Amdt 1\n\nReplacement of Valve Spring Retainers of Engines in Single Valve Spring AD/ROTAX/18\n\nOil Dipstick AD/ROTAX/19\n\nExhaust Muffler Inspection AD/ROTAX/20 Amdt 1\n\nIntroduction of new coolant liquid type 'Evans NPG+' AD/ROTAX/21","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":2,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking the directives 'in exactly the same form' as the latest published edition. This is a pure re-authorisation exercise with no expansion of scope, no new technical requirements, and no additional engines or components covered beyond the original 21 ADs."},"complexity_factors":["Very short instrument (under 500 words)","No defined terms section","Simple binary structure: revoke (a) and remake (b)","Schedule 1 is a straightforward table listing 21 ADs by name and number","No conditional logic, exceptions, or cross-references beyond the basic regulation citation (subregulation 39.001(1))","Explicit statement that content remains unchanged ('exactly the same form')","Single operative clause with clear delegation authority"],"plain_english_summary":"This instrument is a legal housekeeping move by CASA that revokes and immediately remakes 21 Airworthiness Directives for Rotax piston engines. It affects aircraft owners, operators, maintenance engineers, flying schools and clubs using Rotax-powered aircraft. The technical safety requirements are unchanged — the ADs are simply reissued to preserve their legal force under the Civil Aviation Safety Regulations."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope not changed. The delegate revokes and re‑issues the listed ADs in the same form (note), so the substantive requirements and the set of affected engines/operators remain as before. The change is administrative—separating each AD into its own instrument—so obligations, costs and applicability are preserved."},"complexity_factors":["Administrative action only: revocation and re‑making of existing ADs with no substantive change (note), which reduces legal complexity but requires document control and notification.","Number and technical variety of ADs listed (21 separate ADs covering ignition, fuel, oil, crankcase, turbocharger, mounts, etc.), creating varied operational and maintenance tasks for affected operators.","Legal authority and formality: action taken by CASA delegate under subregulation 39.001(1), requiring adherence to regulatory procedure and potential record‑keeping (source text).","Compliance burden concentrated on operators and maintenance providers: inspections, parts replacement and labour costs persist despite administrative reissuance.","Potential implementation tasks for industry and regulators: updating instrument references, maintenance manuals, logs and regulatory registers to reflect separate instruments.","Low substantive discretion: the instrument states ADs are re‑made “in exactly the same form”, limiting policy uncertainty but preserving existing technical requirements."],"plain_english_summary":"This instrument revokes a list of Airworthiness Directives (ADs) relating to Rotax piston engines and immediately re‑makes each AD as a separate legal instrument. It applies to aircraft owners, operators and maintenance organisations responsible for those engines.  \n\nThe CASA delegate acts under subregulation 39.001(1) to preserve the ADs “in exactly the same form” as previously published (note). Practically, compliance duties, inspection and repair costs remain with operators and maintenance providers while the legal instruments and administrative records are reissued."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rotax-piston-engines/documents"}}