{"id":"F2006B10692","name":"AD/HU 369/30 - Main Rotor Pitch Control Rod - Replacement","slug":"ad-hu-369-30-main-rotor-pitch-control-rod-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":116648,"registerId":"commonwealth-F2006B10692-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/HU 369/30 - Main Rotor Pitch Control Rod - Replacement","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 369/30 Main Rotor Pitch Control Rod - Replacement 11/77\n\nApplicability: All model 369D with S/Nos. 0001D to 0043D. Document:  Hughes SIN No. DN-6.\n\nCompliance: Within 100 hours time in service after 30 November 1977.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1375},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This is a targeted safety directive addressing a specific mechanical defect in identified helicopter models. The scope remains limited to the original safety issue without expansion into unrelated systems or aircraft types."},"complexity_factors":["Single compliance action required","Narrow applicability limited to specific serial number range (0001D to 0043D)","No defined terms or interpretive sections","Simple time-based compliance trigger (100 hours time in service)","References only one external technical document (Hughes SIN No. DN-6)"],"plain_english_summary":"**What this does:** This is an Airworthiness Directive (a mandatory safety order) requiring owners and operators of specific Hughes 369D helicopters to replace the main rotor pitch control rod.\n\n**Who it affects:** Owners and operators of McDonnell Douglas (Hughes) 369D helicopters with serial numbers 0001D through 0043D.\n\n**What you must do:** Replace the main rotor pitch control rod within 100 hours of flight time after 30 November 1977, following the instructions in Hughes Service Information Notice DN-6.\n\n**Why it matters:** The main rotor pitch control rod is a critical component that allows the pilot to control the angle (pitch) of the helicopter's main rotor blades. A failure of this part would cause immediate loss of control and likely result in a crash. This directive addresses a known safety defect in early production aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement","history":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement/history","analysis":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement/analysis","conflicts":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement/conflicts","importantCases":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement/important-cases","documents":"/api/acts/ad-hu-369-30-main-rotor-pitch-control-rod-replacement/documents"}}