{"id":"F2008L02931","name":"AD/BELL 206/174 - Main Rotor Blade Grips","slug":"ad-bell-206-174-main-rotor-blade-grips","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74862,"registerId":"commonwealth-F2008L02931-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron Canada (BHTC) 20","sectionType":"division","heading":"Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters","content":"### Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters\n\n| AD/BELL 206/174 | Main Rotor Blade Grips | 9/2008 |\n| --------------- | ---------------------- | ------ |\n\n| Applicability: | Model 206A, 206B, and 206B-1 helicopters fitted with Main Rotor Grips Part Number 206-010-102-9.                                                                                             |\n| -------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n| Requirement:   | Action in accordance with the technical requirements of FAA AD 74-24-01 Amdt39-2011.                                                                                                         |\n| Compliance:    | Unless already accomplished, before 31 August 2008.                                                                                                                                          |\n|                | This Airworthiness Directive becomes effective on 28 August 2008.                                                                                                                            |\n| Background:    | This Directive requires replacement of certain serial numbered main rotor blade grips, part number 206-010-102-9. This Directive is issued to ensure compliance of future imported aircraft. |\n\n![](image.001.png)  \nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n14 July 2008","sortOrder":0},{"sectionNumber":"AD/BELL 206/174","sectionType":"part","heading":"AD/BELL 206/174","content":"## AD/BELL 206/174","sortOrder":1},{"sectionNumber":"Main Rotor Blade Grips","sectionType":"part","heading":"Main Rotor Blade Grips","content":"## Main Rotor Blade Grips","sortOrder":2},{"sectionNumber":"9/2008","sectionType":"part","heading":"9/2008","content":"## 9/2008","sortOrder":3}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive with a single, specific safety purpose. It has not expanded beyond its original intent of mandating replacement of defective main rotor blade grips on specific helicopter models."},"complexity_factors":["Very short document (approximately 200 words)","Only 1 defined term implicitly referenced (the part number)","Single, clear compliance action (replacement of specific parts)","No nested exceptions or conditional logic — straightforward applicability test (specific models + specific part number)","Cross-reference to only one external document (FAA AD 74-24-01), with compliance delegated to that document's technical requirements","Fixed, non-negotiable deadline (31 August 2008)"],"plain_english_summary":"This Airworthiness Directive mandates that owners/operators of Bell 206A, 206B, and 206B‑1 helicopters fitted with Main Rotor Grips P/N 206‑010‑102‑9 replace specified serial‑numbered grips per FAA AD 74‑24‑01 before 31 August 2008 (unless already done).  \n\nIt’s intended to prevent catastrophic rotor‑blade loss by ensuring imported helicopters meet Australian safety standards."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"Scope aligns with the AD's stated objective to ensure compliance of future imported aircraft by requiring replacement of specific serial‑numbered grips on specified Bell 206 models. The instrument does not broaden obligations beyond that targeted replacement and the stated enforcement/import compliance purpose (Applicability; Requirement; Background)."},"complexity_factors":["Narrow applicability: limited to Model 206A, 206B and 206B‑1 fitted with a single part number (Applicability).","Single mandated action: replacement of specified serial‑numbered main rotor grips reduces procedural complexity (Requirement).","Fixed compliance deadline creates scheduling and logistical burden for operators (Compliance).","External dependency: action is required in accordance with FAA AD 74‑24‑01 Amdt39‑2011, introducing interpretative reliance on foreign AD text (Requirement).","Serial‑number tracing: operators must identify affected serial numbers, adding operational inspection and record‑checking work (Background/Requirement).","Enforcement and import compliance focus: CASA oversight of future imports may impose additional administrative checks (Background)."],"plain_english_summary":"Requires operators of Bell 206A, 206B and 206B‑1 helicopters fitted with Main Rotor Grips P/N 206‑010‑102‑9 to replace certain serial‑numbered grips by 31 August 2008 (Requirement; Applicability; Compliance). CASA made the AD effective 28 August 2008. The AD states its purpose is to ensure compliance of future imported aircraft (Background). Who pays: aircraft operators fund and carry out replacements. Who decides/enforces: CASA. Behaviour change: inspect fleets and replace affected grips before the deadline."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-206-174-main-rotor-blade-grips","history":"/api/acts/ad-bell-206-174-main-rotor-blade-grips/history","analysis":"/api/acts/ad-bell-206-174-main-rotor-blade-grips/analysis","conflicts":"/api/acts/ad-bell-206-174-main-rotor-blade-grips/conflicts","importantCases":"/api/acts/ad-bell-206-174-main-rotor-blade-grips/important-cases","documents":"/api/acts/ad-bell-206-174-main-rotor-blade-grips/documents"}}