{"id":"F2006B10720","name":"AD/HU 369/57 Amdt 2 - Collective Stick Support Bracket Reinforcement Strap - Installation","slug":"ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116701,"registerId":"commonwealth-F2006B10720-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 369/57 Amdt 2 - Collective Stick Support Bracket Reinforcement Strap - 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)  McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters\n\n \n\nAD/HU 369/57\n\nAmdt 2\n\n\nCollective Stick Support Bracket Reinforcement Strap - Installation\n\n\n2/84\n\n \n\nApplicability: All 500 models 369D, 369H, 369HE, 369HM, 369HS Series and 369E Series with S/Nos. 0001E thru 0019E.\n\nDocument: Hughes SIN No. DN-119.1 Hughes SIN No. HN-187.1 and Hughes SIN No. EN-11. Compliance:               Unless already accomplished within 100 hours time in service after 30 November\n\n1983.\n\n \n\nBackground:  This Directive raised in issue to include additional model effectively and requirement document references.\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":1784},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"Amendment 2 expands the original directive to include additional helicopter models (the 369E series) and updates the reference documentation requirements."},"complexity_factors":["References to external manufacturer technical documents (Service Information Notices)","Aviation-specific terminology requiring specialised knowledge (collective stick, time in service)","Precise serial number applicability ranges","Time-based compliance calculation rather than calendar date"],"plain_english_summary":"Owners/operators of certain Hughes/Kawasaki 369 series helicopters must install a metal reinforcement strap on the collective stick support bracket per Hughes service notices, within 100 flight hours after 30 November 1983 (unless already done).  \n\nThis affects operators of specified 369 models and some early 369E serials; the reinforcement prevents bracket cracking or failure that could cause loss of vertical control and expands the earlier directive to cover additional helicopters."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation","history":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation/history","analysis":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation/analysis","conflicts":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation/conflicts","importantCases":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation/important-cases","documents":"/api/acts/ad-hu-369-57-amdt-2-collective-stick-support-bracket-reinforcement-strap-installation/documents"}}