{"id":"F2006B07983","name":"Airworthiness Directives 2004 - Revocation and Remaking - Propellers - Fixed Pitch","slug":"airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115031,"registerId":"commonwealth-F2006B07983-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 - Propellers - Fixed Pitch","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\nPropellers - Fixed Pitch\n\nAD Name AD Number\n\nWooden Propellers - Inspection AD/PFP/1 Amdt 3\n\nSensenich Propellers - Hub Inspection AD/PFP/2 Amdt 1\n\nFairey Metal Propellers AD/PFP/3 Amdt 3\n\nFairey Metal Propellers Prop Retaining Nut - Inspection AD/PFP/4\n\nSensenich Propellers - Blade Inspection - CANCELLED AD/PFP/5 Amdt 4\n\nMcCauley Propellers - Modification AD/PFP/6\n\nSensenich Propellers Operating Limitation AD/PFP/7 Amdt 3\n\nSensenich Propellers - Blade Modification AD/PFP/8 Amdt 3\n\nPropeller Mounting Bolts - Inspection and Torque Check AD/PFP/9 Amdt 1\n\nSensenich Propellers - Blade Gring & Anodise - CANCELLED AD/PFP/10 Amdt 1\n\nSensenich Propellers - Reconditioning Procedures AD/PFP/11 Amdt 1\n\nSensenich Propellers - Blade Straightening Limits AD/PFP/12\n\nMcCauley 1A170 Propeller Hub - Inspection AD/PFP/13 Amdt 3\n\nHub Inspection and Rework AD/PFP/14 Amdt 2\n\nSensenich Propeller - Engine Combination AD/PFP/15\n\nKen Brock Propeller Hub Extension AD/PFP/16\n\nHub Cracking AD/PFP/17 Amdt 4\n\nHoffman Propeller Bolt Replacement AD/PFP/18","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"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"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 purely a structural/administrative reformatting exercise with no expansion of substantive safety requirements, affected parties, or regulatory reach."},"complexity_factors":["Very short instrument (under 500 words)","Simple binary structure: revoke (a) + remake (b)","No defined terms section — relies on external understanding of 'Airworthiness Directive' and 'subregulation 39.001(1)'","Single cross-reference to Civil Aviation Safety Regulations 1998","Tabular schedule with 18 entries but no nested conditions or exceptions","Explicit 'no change' note eliminates interpretive complexity regarding substantive content"],"plain_english_summary":"This instrument revokes 18 existing Airworthiness Directives for fixed-pitch propellers and immediately remakes them as 18 separate, standalone ADs. It affects aircraft owners/operators and maintenance engineers working with those propellers and keeps the same safety requirements and mandatory compliance.\n\nThe change is procedural, not substantive: obligations stay identical, but each AD now has its own legal identity to improve traceability, amendment flexibility, and regulatory clarity."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument does not change substantive scope or operator obligations. It expressly revokes the listed ADs and re-issues them unchanged ('in exactly the same form' — Note), so compliance requirements for inspections, modifications and operating limits persist; the change is administrative (separate instruments and formal republication) rather than substantive."},"complexity_factors":["Administrative action affecting multiple existing instruments rather than introducing new technical rules","Number of directives involved (18 ADs listed in Schedule 1) increases coordination and record-keeping needs","References to prior amendments (e.g. 'Amdt 1', 'Amdt 3') create traceability requirements for compliance records","Directive texts are attached and re-made 'in exactly the same form' (Note) — lowers substantive legal complexity but raises administrative attachment and publication requirements","Instrument is made under delegated power (subregulation 39.001(1)) so reliance on delegation and publishing steps matters for legal force","Schedule includes entries noted as 'CANCELLED', requiring attention to which ADs remain operative"],"plain_english_summary":"An instrument by a CASA delegate revokes the listed fixed‑pitch propeller Airworthiness Directives and re-issues each as a separate directive in the same form as the latest published edition. It is made under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998. Aircraft operators, maintenance organisations and propeller manufacturers remain subject to the same inspection, modification and operating requirements; compliance costs fall on operators and maintainers, while CASA decides and republishes the formal instruments."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-fixed-pitch/documents"}}