{"id":"F2006B02608","name":"AD/B-2/7 - Main Rotor Blade Dampers - Installation","slug":"ad-b-2-7-main-rotor-blade-dampers-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41924,"registerId":"commonwealth-F2006B02608-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/B-2/7 - Main Rotor Blade Dampers - Installation","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Brantly B-2 Series Helicopters\n\n \n\nAD/B-2/7 Main Rotor Blade Dampers - Installation 12/60\n\nApplicability: All model B-2. Document: Brantly SL No. 2. Compliance:  Forthwith.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1910},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive maintains a narrow, technical scope focused solely on the installation of main rotor blade dampers on Brantly B-2 helicopters, consistent with the standard purpose of an airworthiness directive."},"complexity_factors":["Single, unambiguous compliance requirement","No definitions or interpretation section","No conditional provisions, exceptions, or nested logic","Minimal cross-referencing (only one external technical document)"],"plain_english_summary":"**What this does:** This legally binding safety directive requires the immediate installation of main rotor blade dampers on specific helicopters.\n\n**Who it affects:** Owners and operators of Brantly B-2 model helicopters.\n\n**The requirement:** You must install main rotor blade dampers (devices that reduce vibration and stress on the helicopter's main rotor) in accordance with the manufacturer's Service Letter No. 2.\n\n**Compliance deadline:** Immediately ('forthwith' — meaning without delay).\n\n**Why it matters:** This ensures the helicopter remains safe to fly. Airworthiness Directives (mandatory safety notices issued by the Civil Aviation Safety Authority) must be complied with before an aircraft can operate legally."}},"importantCases":[],"_links":{"self":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation","history":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation/history","analysis":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation/analysis","conflicts":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation/conflicts","importantCases":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation/important-cases","documents":"/api/acts/ad-b-2-7-main-rotor-blade-dampers-installation/documents"}}