{"id":"F2006B07844","name":"Airworthiness Directives 2004 - Revocation and Remaking - Dornier DO-27 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50785,"registerId":"commonwealth-F2006B07844-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 - Dornier DO-27 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\nDornier DO-27 Series Aeroplanes\n\nAD Name AD Number\n\nSteel Band Tensioners - Replacement AD/DO-27/1\n\nTailplane Front Spar - Modification AD/DO-27/2\n\nElevator Hinge Bracket - Inspection AD/DO-27/3\n\nFlap Control Lever - Modification AD/DO-27/4\n\nFuel, Oil and Manifold Pressure Flexible Hoses - Replacement AD/DO-27/5\n\nFuel and Oil Hose Assemblies - Inspection AD/DO-27/6\n\nOutboard Elevator Hinge Fitting - Inspection AD/DO-27/7\n\nWing Fuselage Attachment - Inspection AD/DO-27/8\n\nFront Seat Restraint Installation - Modification AD/DO-27/9\n\nStall Warning System - Installation AD/DO-27/10\n\nWing Flap Position Selector AD/DO-27/11\n\nHorizontal Tail Bearing Fitting Rivets AD/DO-27/12","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The scope remains identical to the original Airworthiness Directives. This is purely a procedural remaking under the CASR 1998 framework. The note explicitly states each directive is being remade 'in exactly the same form' — no expansion of scope, no new requirements, no additional aircraft types or components covered."},"complexity_factors":["Very short document (approximately 250 words)","Only 1 defined term implicitly used ('Airworthiness Directive')","Single, straightforward legal mechanism: revoke and remake","No conditional logic or exceptions","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Schedule 1 is a simple table with 12 rows and 2 columns","No substantive amendments to the attached directives — they are remade 'in exactly the same form'"],"plain_english_summary":"This instrument revokes 12 existing CASA Airworthiness Directives for Dornier DO-27 aeroplanes and immediately remakes them as 12 separate legal instruments in exactly the same form. It does not change safety requirements — it’s a housekeeping update to bring old-style ADs into the current regulatory format. Affects DO-27 owners, operators and maintenance engineers."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope is not changed. The instrument expressly revokes the listed ADs and re-makes them “in exactly the same form” as the latest published editions, so no substantive change to obligations or coverage is made; the measure is administrative re-issuance and does not alter technical requirements."},"complexity_factors":["Administrative action only: revocation and re-issuance with identical content reduces substantive legal complexity.","Multiple instruments involved: 12 separate ADs are listed, creating a modest coordination task for affected operators.","Delegated decision-making: action taken under a single regulatory provision (`subregulation 39.001(1)`), concentrating legal authority.","Operational compliance requirement: affected parties must locate and follow the re-made ADs (procedural burden).","No technical amendments in this instrument — technical detail resides in the attached ADs, requiring separate technical review."],"plain_english_summary":"This instrument, issued by a CASA delegate under `subregulation 39.001(1)`, revokes a listed set of Airworthiness Directives for Dornier DO-27 aeroplanes and re-issues each as a separate instrument in the same published form. It effects an administrative re‑issuance rather than a technical change.\n\nIt applies to owners/operators of Dornier DO-27 aircraft who must comply with the re-made ADs and therefore bear any compliance costs; the CASA delegate makes the decision and the specific technical obligations remain in each re-made AD."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dornier-do-27-series-aeroplanes/documents"}}