{"id":"F2006B07982","name":"Airworthiness Directives 2004 - Revocation and Remaking - Propeller Governors","slug":"airworthiness-directives-2004-revocation-and-remaking-propeller-governors","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115030,"registerId":"commonwealth-F2006B07982-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 - Propeller Governors","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\nPropeller Governors\n\nAD Name AD Number\n\nRetirement Lives - Critical Components - CANCELLED AD/GOV/1 Amdt 1\n\nGovernor Body - Inspection AD/GOV/2\n\nSpeed Adjusting Lever Retention - Modification AD/GOV/3\n\nFlyweight Pin Retainer - Modification AD/GOV/4\n\nGovernor Pump Idler Gear Stud - Replacement AD/GOV/5\n\nGovernor Pressure Relief Valve Roll Pin - Modification AD/GOV/6\n\nMcCauley Governor Flyweight Assembly - CANCELLED AD/GOV/7 Amdt 1\n\nWoodward Combined Power Turbine and Propeller Governor - Feather Check AD/GOV/8\n\nGovernor Control Arm Attachment Cap Screw A-1635-105 - Replacement AD/GOV/9\n\nGovernor Flyweight Assembly AD/GOV/10 Amdt 1","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is purely an administrative housekeeping instrument. The note explicitly states each directive is being re-made 'in exactly the same form' as before. There is no expansion of scope, new safety requirements, or policy change."},"complexity_factors":["Very short document (under 500 words)","Simple binary structure: revocation + remaking","Only one defined term implied (subregulation 39.001(1) reference)","No conditional logic or nested exceptions","Tabular schedule is straightforward list of 10 items","Cross-reference to external regulations (Civil Aviation Safety Regulations 1998) but no internal cross-referencing","Substantive content (the actual AD requirements) contained in attached instruments not reproduced in this document"],"plain_english_summary":"This CASA order cancels ten existing airworthiness directives concerning aircraft propeller governors and reissues them as separate, standalone legal instruments. It doesn’t change the safety requirements—only reorganises how they’re published.\n\nThis matters because ADs are legally binding; aircraft owners, operators and maintenance engineers affected by these governor-related ADs must continue to comply with the same inspections, modifications and part replacements."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"No substantive change to scope. The instrument expressly revokes the listed Airworthiness Directives and re‑issues them \"in exactly the same form,\" so existing obligations, duties and technical requirements continue unchanged; the action is administrative (revocation/re‑making) rather than regulatory modification."},"complexity_factors":["Straightforward legal mechanism: revocation and re‑making of existing instruments rather than substantive law change (note: re‑made \"in exactly the same form\").","Number of directives affected (10 entries), including items marked CANCELLED or as amendments, which requires accurate administrative handling.","Delegated authority invoked (subregulation 39.001(1)) — routine administrative discretion rather than new policy discretion.","Potential operational impact limited to continuity of compliance and recordkeeping for regulated parties; no technical regime changes in the text supplied.","Reliance on attached instruments (not reproduced here) means substantive technical detail is external to this instrument."],"plain_english_summary":"This instrument, made by a Civil Aviation Safety Authority delegate under subregulation 39.001(1), revokes a set of Airworthiness Directives dealing with propeller governors and re‑makes each one as a separate instrument in the same form. It keeps the existing safety requirements and compliance duties in force. Aircraft owners, operators and maintenance organisations remain responsible for complying; CASA (via its delegate) remains the decision‑maker and administrator of the directives."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-propeller-governors/documents"}}