{"id":"F2006B07756","name":"Airworthiness Directives 2004 - Revocation and Remaking - Bell Helicopter Textron 204 Series Helicopters","slug":"airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50498,"registerId":"commonwealth-F2006B07756-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 204 Series Helicopters","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\nBell Helicopter Textron 204 Series Helicopters\n\nAD Name AD Number\n\nTail Rotor Hub - Modification - CANCELLED AD/BELL 204/1\n\nScissors Assembly - Modification - CANCELLED AD/BELL 204/2\n\nBaggage Compartment Door - Modification - CANCELLED AD/BELL 204/3\n\nTail Rotor Assembly Inspection AD/BELL 204/4 Amdt 1\n\nTail Rotor Pitch Control Slider AD/BELL 204/5 Amdt 1\n\nFatigue Critical Components Retirement Lives AD/BELL 204/6 Amdt 12\n\nTail Rotor Yoke - Inspection AD/BELL 204/7\n\nMain Rotor Blade - Modification AD/BELL 204/8\n\nSuperseded by DCA/BELL 204/6 Amdt3 AD/BELL 204/9\n\nTail Rotor Blade Grip AD/BELL 204/10 Amdt 1\n\nServo Cylinder Upper Control Tube Fittings - Inspections AD/BELL 204/11\n\nSuperseded by DCA/BELL 204/6 Amdt5 AD/BELL 204/12 Amdt 1\n\nTail Rotor Pitch Change Chain AD/BELL 204/13 Amdt 2\n\nMain Rotor Blades - Inspection - CANCELLED AD/BELL 204/14\n\nFire Detection System - Audible Warning AD/BELL 204/15\n\nTransmission Support Case - Inspection AD/BELL 204/16 Amdt 1\n\nCANCELLED AD/BELL 204/17 Amdt 2\n\nSwashplate Scissors Lever Bolts AD/BELL 204/18\n\nMain Rotor Blade Cracking and Corrosion AD/BELL 204/19 Amdt 3\n\nEmergency Exits - Modification and Inspection AD/BELL 204/20 Amdt 1\n\nMain Rotor Blades - Inspection AD/BELL 204/21\n\nMain Rotor Blades Removal From Service AD/BELL 204/22 Amdt 1\n\nMain Rotor Blade Bolt Washer - Inspection - CANCELLED AD/BELL 204/23\n\nStabiliser Bar Outer Tube - Inspection - CANCELLED AD/BELL 204/24\n\nSwashplate Support Assembly P/N 204-011-404-9 - Replacement AD/BELL 204/25\n\nMain Rotor Hub Fitting Assemblies - Inspection - CANCELLED AD/BELL 204/26\n\nExternal Cargo Suspension Kit - Load Restriction and Modification AD/BELL 204/27 Amdt 1\n\nFloat Kit and Cross Tubes AD/BELL 204/28\n\nEmergency Exit Latch Pin AD/BELL 204/29\n\n  \nExternal Load, Load Cell Link AD/BELL 204/30\n\nMain Rotor Yoke AD/BELL 204/31\n\nTail Rotor Grip AD/BELL 204/32\n\nMain Transmission Spiral Bevel Gear AD/BELL 204/33\n\nTail Rotor Hub AD/BELL 204/34\n\nTail Rotor Gearbox Duplex Bearings AD/BELL 204/35\n\nTail Rotor Grips AD/BELL 204/36\n\nSwashplate Support Assembly AD/BELL 204/37\n\nTail Rotor Driveshaft Hangar Bearings AD/BELL 204/38\n\nPillow Block Bolts and Hardware AD/BELL 204/39\n\nMain Gearbox - Planetary Spider AD/BELL 204/40\n\nTail Rotor Blades AD/BELL 204/41\n\n42 degree Gearbox AD/BELL 204/42\n\nTailboom Vertical Fin Spar AD/BELL 204/43\n\nMain Rotor Mast AD/BELL 204/44 Amdt 1","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument maintains the exact same scope as the original Airworthiness Directives. The note explicitly states each AD is being re-made 'in exactly the same form as appears in the latest published edition.' This is a pure administrative remaking to ensure legal validity under the Civil Aviation Safety Regulations 1998, not an expansion of scope."},"complexity_factors":["Simple, single-purpose instrument with clear structure (revocation + remaking)","No defined terms section — relies on external understanding of aviation terminology","Minimal conditional logic — straightforward list format in Schedule 1","Cross-references limited to regulation 39.001(1) and the attached ADs themselves","44 items in schedule but presented as simple table with status indicators (CANCELLED, Superseded, Amdt numbers)","No nested exceptions or complex operational rules in the instrument itself (complexity resides in the attached ADs, not this remaking instrument)"],"plain_english_summary":"This CASA order revokes 44 Airworthiness Directives for Bell 204‑series helicopters and re‑makes most of them as separate instruments in the same form, while a few are cancelled or marked superseded.\n\nIt affects Bell 204 owners/operators, maintenance organisations and CASA; it’s a legal housekeeping step to preserve the ADs’ enforceability under current regulations without changing the substantive safety requirements."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope is preserved: the instrument revokes listed ADs and reissues them in identical form. The text states each attached AD is re‑made \"in exactly the same form as appears in the latest published edition,\" indicating no substantive change to obligations or coverage."},"complexity_factors":["Delegation and legal basis specified (subregulation 39.001(1))","Schedule lists a large number of ADs for the Bell 204 series (many with amendment numbers)","Several entries marked CANCELLED or noting supersession (e.g. \"Superseded by DCA/BELL 204/6 Amdt3\") requiring cross-reference checks","Each AD is re‑made in the form of the latest published edition — administrative replication rather than substantive amendment","Operational/administrative burden on operators and maintenance records to track reissued separate instruments"],"plain_english_summary":"This instrument, signed by a CASA delegate under subregulation 39.001(1), revokes a set of existing Airworthiness Directives (ADs) for Bell Helicopter Textron 204 series helicopters and re‑issues each as a separate, attached AD. Each re‑made AD is reproduced in exactly the same form as the latest published edition. Operators, maintainers and registrants of Bell 204 helicopters must follow the reissued ADs; the delegate’s action preserves regulatory continuity while shifting the administrative record to the newly attached instruments."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-bell-helicopter-textron-204-series-helicopters/documents"}}