{"id":"F2006B07862","name":"Airworthiness Directives 2004 - Revocation and Remaking - Eurocopter SA341 and SA342 (Gazelle) Series Helicopters","slug":"airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50835,"registerId":"commonwealth-F2006B07862-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 - Eurocopter SA341 and SA342 (Gazelle) 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\nEurocopter SA341 and SA342 (Gazelle) Series Helicopters\n\nAD Name AD Number\n\nMain Gearbox - Inspection During Initial Operations AD/GAZELLE/1\n\nMain Gearbox Oil/Pump/Hydraulic Unit - Inspection AD/GAZELLE/2\n\nTail Rotor Drive Shaft Bearings - Inspection AD/GAZELLE/3\n\nRetirement Lives - Fatigue Critical Components AD/GAZELLE/4 Amdt 5\n\nMGB A Frame Upper Shackle Attachment Bolts - Inspection AD/GAZELLE/5\n\nLow Temperature Operations - Firewheel Inspection AD/GAZELLE/6\n\nLanding Gear Legs - Inspection AD/GAZELLE/7 Amdt 1\n\nNon Rotating Scissors Attach Bolt - Replacement AD/GAZELLE/8\n\nMain Gearbox Input Gear Flange - Inspection of Attachment Nut AD/GAZELLE/9\n\nEmergency Flotation Gear - Inflation Head AD/GAZELLE/10 Amdt 1\n\nFreewheel Flange Bearings - Inspection AD/GAZELLE/11\n\nTail Gearbox - Inspection and Modification AD/GAZELLE/12\n\nMain Gearbox Input Gear Slotted Nut - Inspection AD/GAZELLE/13\n\nLanding Gear - Inspection AD/GAZELLE/14\n\nSecuraiglon (ex LAiglon) Safety Belts - Modification AD/GAZELLE/15\n\nElectric Hoist Installation AD/GAZELLE/16\n\nIntermediate Gearbox Attachment AD/GAZELLE/17\n\nLucas Air Equipment Hoist - Explosive Squib AD/GAZELLE/18\n\nSAMM Main Servo Controls AD/GAZELLE/19\n\nTail Gearbox (TGB) Support Tripod AD/GAZELLE/20\n\nMain Rotor Head Pitch Change Rod Inspection AD/GAZELLE/21\n\nTorsion Tie Bar AD/GAZELLE/22 Amdt 3\n\nElectric Hoist - Pyrotechnic Squib AD/GAZELLE/23 Amdt 1\n\nMain Rotor Head - Free-Wheel and Clutch AD/GAZELLE/24\n\nMain Rotor and Tail Rotor Dynamic Components AD/GAZELLE/25 Amdt 1\n\nFlexible Disks of Tail Rotor Drive Shafts AD/GAZELLE/26\n\nCARGO AIDS Cargo Release Units AD/GAZELLE/27\n\nHoist Hooks AD/GAZELLE/28\n\nRotating Star AD/GAZELLE/29\n\n  \nHoist Operator's Belt Snap Hook AD/GAZELLE/30\n\nBREEZE Hoist Hooks AD/GAZELLE/31","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking the ADs 'in exactly the same form as appears in the latest published edition.' This is a pure continuance exercise with no expansion of scope beyond the original safety requirements for Gazelle helicopters."},"complexity_factors":["Single operative provision with straightforward (a)/(b) structure","No defined terms section — relies on external aviation terminology","Content incorporated by reference (31 attached ADs not reproduced in full)","No conditional logic or nested exceptions in the instrument itself","Cross-reference only to enabling regulation (Civil Aviation Safety Regulations 1998, subregulation 39.001(1))","Schedule 1 is a simple table with 31 entries, no complex formatting"],"plain_english_summary":"This instrument revokes and immediately reissues 31 existing Airworthiness Directives for the Eurocopter SA341/SA342 (Gazelle) fleet in Australia. It’s a legal housekeeping action to prevent those safety requirements from lapsing, preserving continuous legal force for maintenance and inspection obligations. It affects Gazelle owners, operators and maintenance personnel by keeping longstanding safety mandates—covering critical components and fatigue-prone parts—legally enforceable."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument does not change the substantive scope of regulation applied to Eurocopter SA341/SA342 helicopters. Its effect is administrative: revoking listed ADs and re-making each as a separate instrument in the same form as the latest published editions. It therefore preserves the original safety requirements and does not expand the set of regulated activities or introduce new obligations beyond those already present in the listed ADs (see Schedule 1)."},"complexity_factors":["Very short instrument (single-page administrative instrument)","One statutory source referenced: subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998","Schedule lists 31 separate Airworthiness Directives to be revoked and re-made","No new defined terms introduced in the instrument itself","No nested conditions, exceptions, or operational thresholds within the instrument","Relies on external attached AD documents (cross-reference to \"latest published edition\"), creating a practical cross-reference but not complex legal logic"],"plain_english_summary":"**What this instrument does (mechanics)\n\n- This instrument, made by a delegate of the Civil Aviation Safety Authority (CASA) under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998, formally revokes a group of existing Airworthiness Directives (ADs) that apply to Eurocopter SA341 and SA342 (Gazelle) helicopters and re-issues (re-makes) each of those ADs as a separate legal instrument. The re-made ADs are attached to this instrument and are reported to be in exactly the same form as the latest published editions of those ADs. (See subreg 39.001(1) and Schedule 1.)\n\n**Who this affects\n\n- Owners, operators, maintenance organisations and maintenance personnel responsible for Eurocopter SA341 and SA342 (Gazelle) series helicopters. They are the parties required to follow the inspections, modifications, life limits and other mandatory actions set out in each AD. \n- CASA (and its delegate) as the regulator who decides to revoke and re-issue the ADs. \n\n**Why it matters (official claim and practical effects)\n\n- Officially, the instrument republishes existing Gazelle ADs as separate instruments in the same wording as their latest published editions. That is an administrative action: it does not assert new technical requirements or change the content of those ADs. The stated aim is to have each AD stand as its own legal instrument.\n\n- Practically, the change is primarily administrative. The substantive safety requirements in the listed ADs continue to apply to Gazelle helicopters exactly as before. Operators and maintainers must continue to comply with the inspection, modification, replacement and retirement-life requirements contained in the re-issued ADs (see Schedule 1 for the ADs). \n\n**Costs, incentives and trade-offs (implementation considerations)\n\n- Compliance costs: There is no new technical compliance burden imposed by this instrument because the ADs are re-issued \"in exactly the same form\" as the latest published editions. Any costs of inspections, replacements or modifications arise from the underlying ADs, not from this revocation/remaking action (Schedule 1).\n\n- Administrative costs: CASA incurs administrative work to revoke and re-issue the instruments; operators and maintainers may need to update records and ensure they hold the newly issued AD documents. That is a modest record-keeping and distribution cost.\n\n- Decision-maker and discretion: The delegate of CASA makes the change under the cited regulation. The instrument does not delegate additional discretion to third parties; it simply re-publishes the ADs as separate instruments.\n\n- Risks and implementation issues: The main practical risk is miscommunication or version-control mistakes during transfer from the old instruments to the re-made ones (for example, operators holding the now-revoked version and not the newly attached AD). The instrument attempts to minimise that by using the \"latest published edition\" text for each re-made AD, but users must check they hold the correct documents.\n\n**Who pays and what behaviour changes\n\n- Who pays: Any costs arising from the technical requirements remain the responsibility of aircraft owners and operators; any small administrative costs for updating records fall on operators/maintenance organisations and CASA.\n\n- Behaviour changes required: No change in technical compliance behaviour is required because the substantive AD content is unchanged. The administrative behaviour that does change is that each AD now exists as a separate legal instrument attached to this revocation/remaking instrument (see Schedule 1 listing AD/GAZELLE/1 through AD/GAZELLE/31). \n\n**Concrete references\n\n- Legal power used: subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 (as cited on the instrument). \n- Items affected: 31 specific Gazelle ADs are listed in Schedule 1 (examples: AD/GAZELLE/1 Main Gearbox - Inspection During Initial Operations; AD/GAZELLE/25 Main Rotor and Tail Rotor Dynamic Components Amdt 1; AD/GAZELLE/31 BREEZE Hoist Hooks). The Schedule identifies which ADs are revoked and re-made and notes amendment history where applicable.\n\n**Summary statement\n\nMechanically, the instrument is an administrative housekeeping action: it revokes a bundle of Gazelle ADs and re-issues each as a separate instrument in the same wording as their latest published editions. It does not alter the substantive safety obligations imposed by those ADs, but it requires recipients to rely on the re-made instruments as the operative legal documents and to update records if necessary."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-eurocopter-sa341-and-sa342-gazelle-series-heli/documents"}}