{"id":"F2006B07898","name":"Airworthiness Directives 2004 - Revocation and Remaking - Harbin Y12 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50913,"registerId":"commonwealth-F2006B07898-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Harbin Y12 Series Aeroplanes","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\nHarbin Y12 Series Aeroplanes\n\nAD Name AD Number\n\nElectrical Cable Chafing AD/Y12/1\n\nHydraulic Pump Switch Guard AD/Y12/2\n\nFuselage Stringer 13 Between Frame 13 and 14 AD/Y12/3\n\nLW-6 Wheel and LS-117 Disc Braked Wheel AD/Y12/4\n\nAileron Spar Balance Support AD/Y12/5\n\nControl Wheel Pulley Bearing AD/Y12/6\n\nReverse Control System AD/Y12/7\n\nAircraft Flight Manual, Flight into Icing Conditions AD/Y12/8\n\nCentral Control Pedestal AD/Y12/9\n\nFlap Motoreducer AD/Y12/10","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The legislation maintains its original narrow scope. It is purely administrative — revoking and remaking existing safety directives for a specific aircraft type without expanding coverage or altering requirements."},"complexity_factors":["Very short document (approximately 250 words)","Only 1 defined term implicitly used ('Airworthiness Directive')","Single operative provision with two straightforward actions (revoke and remake)","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","No conditional logic or exceptions","Tabular schedule simply lists 10 items by name and number","Explicit note clarifies no substantive change to content"],"plain_english_summary":"This CASA order revokes and reissues ten existing Airworthiness Directives for Harbin Y12 aeroplanes, reproducing each directive unchanged but as new legal instruments. \n\nIt affects Harbin Y12 owners/operators, maintenance organisations, and CASA by ensuring the binding safety orders remain valid under current regulatory form. The action is administrative housekeeping: no safety requirements or technical content are altered."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope unchanged: instrument merely revokes and re‑issues the listed Airworthiness Directives in identical form, preserving existing obligations (see Note and Schedule 1)."},"complexity_factors":["Administrative revocation and re‑issue of 10 ADs listed in Schedule 1","Authority exercised by a CASA delegate under subregulation 39.001(1)","No substantive change to content — directives are 're-made in exactly the same form' (Note)","Creates each AD as a separate legal instrument (item (b))","Practical compliance burden falls on Harbin Y12 owners, operators and maintenance organisations"],"plain_english_summary":"This instrument, made under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998, formally revokes ten listed Airworthiness Directives for Harbin Y12 aeroplanes and re‑issues each as a separate instrument. The re‑issued directives are identical to the latest published editions (see Note). It affects Harbin Y12 owners, operators and maintenance organisations who must continue to comply with those directives; the step preserves existing legal compliance obligations and the associated operational and maintenance costs."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-harbin-y12-series-aeroplanes/documents"}}