{"id":"F2006B03851","name":"AD/BEECH 35/55 - Ruddervator Control Push Rods","slug":"ad-beech-35-55-ruddervator-control-push-rods","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43460,"registerId":"commonwealth-F2006B03851-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 35/55 - Ruddervator Control Push Rods","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)  Beechcraft 35 (Bonanza) Series Aeroplanes\n\n \n\nAD/BEECH 35/55 Ruddervator Control Push Rods 6/80\n\nApplicability: All models 35, A35, B35, C35, D35, E35, F35, G35, H35, J35, K35, M35, N35, P35, S35, V35, V35-TC, V35A, V35A-TC, V35B and V35B-TC with S/Nos. D-1 to D- 10187.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No. 0989. Compliance:  Within 100 hours time in service after 30 June 1980.\n\nBackground:  There is a possibility that the ruddervator control pushrods may be misaligned and/or affected by internal corrosion.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive issued in 1980 addressing a specific mechanical defect in specific aircraft. It has not expanded beyond its original purpose of mandating inspection/repair of ruddervator control push rods on the listed Beechcraft models."},"complexity_factors":["Single, specific mechanical component addressed (ruddervator push rods)","No defined terms section — all language is plain technical aviation terminology","No cross-references to other legislation beyond the parent Civil Aviation Regulations 1998","Simple conditional structure: applicability list → requirement → compliance deadline → brief background","Single compliance action required (follow manufacturer service instruction)","No exceptions, exemptions, or nested conditions","Extremely short document (under 200 words of substantive content)"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) that requires specific repairs or inspections on aircraft.\n\n**What it does:**\nOrders owners and operators of certain **Beechcraft Bonanza aeroplanes** (models 35 through V35B-TC, with serial numbers D-1 to D-10187) to inspect and fix potential problems with **ruddervator control push rods** — the metal rods that connect the pilot's controls to the tail surfaces that steer the plane up, down, and side-to-side.\n\n**The safety problem:**\nThese push rods might be:\n- **Misaligned** (bent or positioned incorrectly), or\n- **Corroded inside** (rusted internally, which can weaken them without visible warning)\n\nEither problem could cause the pilot to lose control of the aircraft.\n\n**What must be done:**\n- Follow **Beechcraft Service Instruction No. 0989** (the manufacturer's official repair procedure)\n- Complete the work **within 100 hours of flying time** after 30 June 1980\n\n**Who it affects:**\nAnyone who owns, operates, or maintains the specified Beechcraft Bonanza models in Australia.\n\n**Why it matters:**\nThis is a **mandatory safety fix**. Non-compliance means the aircraft cannot legally fly in Australian airspace. The directive addresses a hidden structural risk that could lead to catastrophic loss of control."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument applies to the stated Beechcraft 35 models and serial number range and requires action per Beechcraft Service Instruction No. 0989 within the specified 100-hour compliance window. The text shows no amendment or expansion of that applicability or those requirements compared to the directive as presented; therefore the scope has not changed within the supplied source."},"complexity_factors":["Narrow technical scope limited to a specific component (ruddervator control pushrods).","Applicability defined by specific aircraft models and serial number range (D-1 to D-10187).","Compliance depends on an external technical document (Beechcraft Service Instruction No. 0989) not reproduced in the text.","Fixed short compliance window (within 100 hours time in service after 30 June 1980) requiring scheduling by operators.","No alternative methods or exemptions included in the text, reducing procedural complexity but increasing reliance on the Service Instruction and regulator discretion for variations."],"plain_english_summary":"Owners/operators of specified Beechcraft 35‑series aeroplanes must carry out the inspections and corrective work set out in Beechcraft Service Instruction No. 0989 within 100 hours’ time‑in‑service after 30 June 1980. The directive responds to potential ruddervator pushrod misalignment/corrosion, shifting compliance costs and technical specification to operators and the manufacturer’s instruction."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods","history":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods/history","analysis":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods/analysis","conflicts":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods/conflicts","importantCases":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods/important-cases","documents":"/api/acts/ad-beech-35-55-ruddervator-control-push-rods/documents"}}