{"id":"F2006B07985","name":"Airworthiness Directives 2004 - Revocation and Remaking - Propellers - Variable Pitch - Allison/Aeroproducts","slug":"airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115034,"registerId":"commonwealth-F2006B07985-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 - Allison/Aeroproducts","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 - Allison/Aeroproducts\n\nAD Name AD Number\n\nNot Issued AD/PAP/1\n\nSuperseded by AD/PAP/3 AD/PAP/2\n\nPropeller Blade - Inspection and Retirement AD/PAP/3 Amdt 3\n\nCANCELLED - CANCELLED AD/PAP/4\n\nPropeller Fixed Spline - Inspection and Replacement AD/PAP/5 Amdt 2\n\nInstallation Of Increase Pitch Metering Restrictor AD/PAP/6 Amdt 2\n\nReplacement of Hub to Master Gear Mounting Bolts AD/PAP/7 Amdt 1\n\nPropeller Time Controlled Inspections AD/PAP/8 Amdt 1\n\nPropeller Blades - Inspection AD/PAP/9","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument performs a pure administrative function — revoking and remaking existing Airworthiness Directives without altering their substance. The scope remains exactly as originally intended: maintaining the currency of specific propeller safety directives under the Civil Aviation Safety Regulations 1998 framework."},"complexity_factors":["Very short instrument (under 300 words)","Only 1 defined term implicitly used (subregulation reference)","Single cross-reference to Civil Aviation Safety Regulations 1998","Simple binary structure: revoke (a) and make (b)","Schedule 1 is a straightforward table with 9 rows and 2 columns","No conditional logic, exceptions, or nested provisions","Purpose is purely administrative — no substantive operational rules contained in the instrument itself"],"plain_english_summary":"This instrument revokes and re-makes nine Airworthiness Directives for Allison/Aeroproducts variable-pitch propellers, creating fresh legally current instruments that retain the same content as the most recently published versions. It affects aircraft owners/operators, maintenance organisations and engineers, and CASA.\n\nThis is administrative housekeeping to keep binding safety orders valid under current law; it does not change any substantive safety requirements."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No substantive change to regulatory obligations. The instrument revokes listed ADs and remakes them in the same form (see Note and Schedule 1), so affected parties retain the same compliance duties; the change is procedural/administrative rather than substantive."},"complexity_factors":["Administrative revocation and re‑issuance of multiple ADs rather than substantive regulatory change","Schedule lists several ADs in varying states (amendments, supersessions, cancellations), requiring careful cross‑reference","Authority and action taken under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998","Compliance burden remains with operators/maintainers; transition could cause short‑term recordkeeping or implementation friction","Relies on attached reissued instruments being identical — requires verification to confirm no drafting divergence"],"plain_english_summary":"This instrument, made by a delegate of the Civil Aviation Safety Authority under subregulation 39.001(1), revokes a set of existing Airworthiness Directives (ADs) for Allison/Aeroproducts variable‑pitch propellers and reissues each AD as a separate instrument in the same form. Mechanically, the substantive safety requirements remain unchanged; the legal instruments are reorganised. Affected parties are aircraft owners, operators and maintenance organisations who must continue to comply with the reissued ADs; CASA’s delegate makes the administrative decision."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propellers-variable-pitch-allison-aeroproducts/documents"}}