{"id":"F2006B07993","name":"Airworthiness Directives 2004 - Revocation and Remaking - Propellers - Variable Pitch - McCauley","slug":"airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115048,"registerId":"commonwealth-F2006B07993-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 - Variable Pitch - McCauley","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 - Variable Pitch - McCauley\n\nAD Name AD Number\n\nSuperseded by AD/PMC/5 - CANCELLED AD/PMC/1\n\nMounting Bolt Washer - Inspection and Replacement - CANCELLED AD/PMC/2 Amdt 1\n\nHub Inspection - CANCELLED AD/PMC/3 Amdt 1\n\nBlade Ferrule Inspection - CANCELLED AD/PMC/4 Amdt 2\n\nPropeller Blade - Replacement - CANCELLED AD/PMC/5\n\nPropeller Blade - Replacement - CANCELLED AD/PMC/6\n\nPropeller Hub - Inspection - CANCELLED AD/PMC/7 Amdt 1\n\nPropeller Hub - Replacement - CANCELLED AD/PMC/8\n\nPropeller Blade - Modification - CANCELLED AD/PMC/9\n\nBlade Actuating Pin - Replacement - CANCELLED AD/PMC/10\n\nCylinder Attachment Screw - Replacement - CANCELLED AD/PMC/11\n\nPropeller Hub - Replacement AD/PMC/12 Amdt 3\n\nNot Issued AD/PMC/13\n\nThreaded Propeller Hubs AD/PMC/14 Amdt 10\n\nPropeller Attachment - Modification and Inspection AD/PMC/15 Amdt 1\n\nPropeller Hub - Inspection For Cracking - CANCELLED AD/PMC/16\n\nPropeller Hub - Inspection - CANCELLED AD/PMC/17 Amdt 1\n\nPropeller Hub - Modification or Replacement AD/PMC/18 Amdt 1\n\nSocket Head Type Cylinder Attachment Screws P/N A-1635-50 - Replacement - AD/PMC/19\n\nPropeller Hub - Modification or Replacement (Shot Peening of Blade Retention AD/PMC/20\n\nThree Blade Propeller Hub - Modification or Replacement AD/PMC/21\n\nCounterweight Attachment - Modification AD/PMC/22\n\nCylinder Attachment - Modification - CANCELLED AD/PMC/23\n\nPropeller Blades - Modification or Replacement - CANCELLED AD/PMC/24 Amdt 3\n\nPropeller Hub and Blade - Modification or Replacement (Shot Peening of Hub AD/PMC/25\n\nBlade Ferrule and Actuating Pin Assembly - CANCELLED AD/PMC/26 Amdt 1\n\nAttachment Studs AD/PMC/27 Amdt 1\n\nPropeller Hub - Replacement AD/PMC/28\n\nPropeller Hub - Replacement AD/PMC/29\n\n  \nBlade Shim - Replacement - CANCELLED AD/PMC/30\n\nPropeller Blade Actuating Pin Installation - Inspection AD/PMC/31\n\nThreadless Propeller Hub - Inspection AD/PMC/32 Amdt 1\n\nPropeller Hubs - Modification to Oil Filled Standard AD/PMC/33\n\nBlade Actuating Pin Screws - Replacement AD/PMC/34\n\nPropeller Blade Butt Retention Thread - Eddy Current Inspection AD/PMC/35 Amdt 1\n\nPropeller Blade Shank - Inspection AD/PMC/36 Amdt 1\n\nBlade Counterweight Bolt Replacement AD/PMC/37\n\nBlade and Ferrule - Inspection AD/PMC/38 Amdt 1\n\nPropeller Blade Replacement AD/PMC/39\n\nBlade Counterweight Bolt Replacement AD/PMC/40\n\nPropeller Hub Eddy Current Inspection AD/PMC/41 Amdt 1\n\nOil Filled Hubs for Agricultural Aircraft AD/PMC/42\n\nBlade Shank Corrosion AD/PMC/43\n\nOil Filled Hub AD/PMC/44\n\nAdditional Oil Filled Hubs AD/PMC/45\n\nPropeller Blade Inspection - CANCELLED AD/PMC/46\n\nAustralian Air Props AD/PMC/47 Amdt 1","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This is a pure consolidation and remaking exercise. The Note explicitly states that 'Each attached Airworthiness Directive is being re-made in exactly the same form as appears in the latest published edition of the Directive.' The scope remains precisely limited to McCauley variable-pitch propellers and does not expand beyond the original safety issues addressed in each individual AD."},"complexity_factors":["47 separate Airworthiness Directives consolidated in a single instrument, each with its own amendment history (e.g., 'Amdt 1', 'Amdt 10')","Mix of active and cancelled directives requiring careful parsing — 18 of the 47 entries are marked 'CANCELLED' or 'Superseded'","Highly technical subject matter requiring specialised aviation engineering knowledge (propeller metallurgy, non-destructive testing methods, specific part numbers like 'P/N A-1635-50')","Cross-referencing required — the actual substantive requirements are contained in 'attached' documents not reproduced in this instrument","Delegated legislative mechanism — operates under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998, requiring understanding of the parent regulation framework","Irregular numbering sequence (AD/PMC/13 'Not Issued') indicating historical gaps and evolution of the regulatory scheme"],"plain_english_summary":"This instrument revokes and reissues 47 existing Airworthiness Directives for McCauley variable‑pitch propellers, effectively refreshing them as current legal instruments without changing their content. It affects aircraft owners/operators, maintenance organisations and CASA; the directives remain legally binding safety requirements (inspections, repairs or replacements where applicable), so affected parties must confirm whether any of the reissued ADs apply to their equipment."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No substantive scope change. The instrument expressly revokes listed ADs and remakes them 'in exactly the same form as appears in the latest published edition of the Directive' (note). The action is administrative under subregulation 39.001(1), so existing obligations and the set of affected ADs remain materially the same."},"complexity_factors":["Administrative legal mechanism: simultaneous revocation and re‑making of instruments under subregulation 39.001(1) (text, para starting 'I, DAVID... acting under subregulation 39.001 (1)')","Large number of listed ADs (Schedule 1 lists many AD names and numbers), increasing record‑keeping and cross‑referencing effort","Mixed status entries in the schedule (CANCELLED, Amdt references, 'Superseded by') require careful mapping to current instrument versions","Requirement to attach each remade AD as a separate instrument increases procedural steps for publication and distribution","Low substantive legal change (note: remade 'in exactly the same form') reduces interpretive complexity but preserves pre‑existing compliance obligations"],"plain_english_summary":"**What this instrument does:** It revokes each Airworthiness Directive listed in Schedule 1 and remakes each as a separate, attached instrument under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998. The instrument's note states each remade AD is identical to the latest published edition.\n\n**Who it affects and why it matters:** It applies to the listed McCauley variable‑pitch propeller ADs and therefore to the parties bound by those ADs. The stated purpose is administrative; because the ADs are reissued unchanged, existing compliance duties and costs continue as before."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-mccauley/documents"}}