{"id":"F2006B07765","name":"Airworthiness Directives 2004 - Revocation and Remaking - Bell Helicopter Textron Canada (BHTC) 430 Series Helicopters","slug":"airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50528,"registerId":"commonwealth-F2006B07765-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 - Bell Helicopter Textron Canada (BHTC) 430 Series Helicopters","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 Bell Helicopter Textron Canada (BHTC) 430 Series Helicopters\n\n AD Name AD Number\n\n Tail Rotor Blade AD/BELL 430/1 Amdt 1\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains identical scope to the original 2004 airworthiness directive. The explicit note confirms the directive is 're-made in exactly the same form' with no expansion of affected aircraft, components, or compliance requirements."},"complexity_factors":["Very short instrument (under 300 words)","Only 1 defined term implicitly referenced (the AD number itself)","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, exceptions, or operative provisions — purely administrative","Single subject matter (one helicopter type, one component, one directive)"],"plain_english_summary":"This is a technical aviation safety instrument issued by the Civil Aviation Safety Authority (CASA) in December 2004. It does two things:\n\n**What it does:**\n- **Revokes** (cancels) an existing airworthiness directive for Bell 430 series helicopters\n- **Remakes** that same directive as a fresh, standalone legal instrument\n\n**Who it affects:**\n- Owners and operators of Bell Helicopter Textron Canada 430 series helicopters\n- Maintenance organisations working on these aircraft\n- Anyone responsible for ensuring these helicopters are safe to fly\n\n**Why it matters:**\nAirworthiness directives are legally binding safety orders. They require specific inspections, repairs, or modifications to fix unsafe conditions in aircraft. This particular directive relates to the **tail rotor blade** — a critical component that keeps the helicopter stable and pointing in the right direction.\n\nThe \"revoke and remake\" process is an administrative housekeeping measure. CASA is essentially reissuing the directive in a cleaner legal format without changing its actual safety requirements. The note at the bottom confirms the technical content stays exactly the same — only the legal instrument structure changes.\n\n**In short:** If you fly or maintain a Bell 430 helicopter, you still need to follow the tail rotor blade directive. Nothing practical has changed; CASA has just tidied up the paperwork."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive scope or technical requirements of the Airworthiness Directive(s). It revokes the listed directive(s) and re-makes them in the same form as the latest published edition (see Schedule 1; Note). The action is therefore administrative: it preserves existing obligations rather than altering them."},"complexity_factors":["Single, narrow administrative action (revocation and re-making of listed ADs) rather than substantive regulatory change.","Dependence on external/attached Airworthiness Directive(s) for operative technical obligations (Schedule 1 and attachments contain the substantive rules).","Legal cross-reference to Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) which delegates decision-making power.","Limited number of affected items (one AD listed for BHTC 430 series), reducing stakeholder complexity.","Requirement to consult attachments/publications for full compliance details creates an extra step for affected parties."],"plain_english_summary":"This instrument records a CASA delegate’s administrative revocation and immediate re‑making of listed Airworthiness Directives for Bell 430 helicopters, re‑issuing each directive in the same substantive form as the latest published edition. It affects Bell 430 owners/operators, maintenance organisations and CASA staff by preserving existing inspection, repair and compliance obligations while maintaining the directives’ legal enforceability. Any compliance costs remain with operators and their maintenance providers; the change is procedural, not technical."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-canada-bhtc-430-series/documents"}}