{"id":"F2006B08058","name":"Airworthiness Directives 2004 - Revocation and Remaking - Wright Piston Engines","slug":"airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115145,"registerId":"commonwealth-F2006B08058-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 - Wright Piston Engines","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n Airworthiness Directives 2004\n\n I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\n Authority, acting under subregulation 39.001 (1) of the Civil\n\n Aviation Safety Regulations 1998:\n\n (a) revoke the Airworthiness Directives mentioned in\n\n Schedule 1; and\n\n (b) make, as separate instruments, each Airworthiness\n\n Directive mentioned in Schedule 1 and attached.\n\n \n\n ![](image.001.png)\n\n David Villiers\n\n Delegate of the Civil Aviation Safety Authority\n\n \n\n  20 December 2004\n\n Note:   Each attached Airworthiness Directive is being re-made in exactly the\n\n same form as appears in the latest published edition of the Directive.\n\n \n\n\n Schedule 1 Revocation and Remaking of\n\n Airworthiness Directives\n\n Wright Piston Engines\n\n AD Name AD Number\n\n Accessory Drive Gear - Modification AD/WRI/1\n\n Piston Inspection - CANCELLED AD/WRI/2\n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The instrument preserves the substantive obligations of any AD that is re-made in identical form (AD/WRI/1 remains in force in the same form) but changes scope by cancelling AD/WRI/2 (the Schedule marks \"Piston Inspection - CANCELLED AD/WRI/2\"). The primary mechanical change is administrative re-issuance of listed ADs as separate instruments (see: operative paragraphs and note)."},"complexity_factors":["Short instrument with limited operative clauses (revoke and re-make, plus schedule).","Legal authority delegated under a single subregulation (subregulation 39.001(1)).","Schedule lists specific ADs and notes one as cancelled, requiring attention to which items change.","No novel regulatory formulations or technical compliance rules in the text itself (substantive requirements are in the attached ADs, not in this instrument)."],"plain_english_summary":"This instrument, made by a CASA delegate under subreg. 39.001(1), administratively revokes the Airworthiness Directives listed in Schedule 1 and re‑issues each as a separate legal instrument. For Wright piston engines it re‑makes AD/WRI/1 (Accessory Drive Gear) in identical form and cancels AD/WRI/2 (Piston Inspection). The effect is to preserve existing obligations for the re‑made AD and remove the compliance burden for the cancelled AD, affecting owners, operators and maintenance personnel."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains identical scope to the original directives. The note explicitly states each directive is being remade 'in exactly the same form as appears in the latest published edition.' This is purely administrative consolidation or re-authorisation under current regulations, not an expansion of regulatory scope."},"complexity_factors":["Very short document (under 1 page)","Only 2 substantive items in Schedule 1","No defined terms section","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Simple binary structure: revoke (a) and remake (b)","No conditional logic or exceptions","Straightforward administrative remaking without policy changes"],"plain_english_summary":"This is a technical aviation safety instrument that **revokes and immediately remakes two airworthiness directives** for Wright Piston Engines — a type of aircraft engine.\n\n**What it does:**\n- **Revokes** (cancels) two existing safety rules: AD/WRI/1 and AD/WRI/2\n- **Immediately remakes** them as new, separate legal instruments\n- The rules are remade in **exactly the same form** as they already existed — no changes to the actual safety requirements\n\n**Who it affects:**\n- Owners and operators of aircraft using Wright Piston Engines\n- Aircraft maintenance engineers and organisations\n- The Civil Aviation Safety Authority (CASA) itself\n\n**Why it matters:**\nAirworthiness Directives are **legally binding safety orders** that require specific inspections, modifications, or maintenance on aircraft engines. This instrument is essentially an **administrative housekeeping exercise** — updating the legal \"wrapper\" around existing safety rules without changing the safety requirements themselves. This ensures the directives remain valid legal instruments under current regulations.\n\nThe two directives cover:\n- **AD/WRI/1**: Requires modification of the accessory drive gear\n- **AD/WRI/2**: Required piston inspection (already cancelled in previous versions, so this just tidies up the paperwork)"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-wright-piston-engines/documents"}}