{"id":"F2006B03818","name":"AD/BEECH 35/13 - Landing Gear Limit Switch","slug":"ad-beech-35-13-landing-gear-limit-switch","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43414,"registerId":"commonwealth-F2006B03818-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 35/13 - Landing Gear Limit Switch","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 35/13 Landing Gear Limit Switch NK\n\nApplicability: Models 35, A35, B35, C35, S/Nos. D1501 to D2800.\n\n \n\nRequirement: Action in accordance with Beechcraft SB Model 35 - No. 21; Model A35 - No. 14; Model B35 - No. 7; Model C35 - No. 5;\n\n \n\nNote: FAA AD 59-8-1 refers.\n\n \n\nCompliance: Forthwith.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, targeted safety directive addressing a specific mechanical defect in specific aircraft. It has not expanded beyond its original purpose of mandating landing gear limit switch inspections/repairs for the identified Beechcraft models."},"complexity_factors":["Very short document (under 200 words)","Only 4 defined model/serial number ranges in applicability section","Single, unambiguous compliance requirement (follow manufacturer bulletins)","No nested exceptions or conditional logic","No cross-references to other legislation beyond a single note referencing FAA AD","Clear, imperative language throughout"],"plain_english_summary":"**What this is:** This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). Think of it as an official \"fix this now\" notice for aircraft owners and operators.\n\n**What it does:** It requires owners of specific **Beechcraft 35 Bonanza aeroplanes** (models 35, A35, B35, and C35 with serial numbers D1501 to D2800) to take immediate action on their **landing gear limit switch**. A limit switch is a small safety device that tells the pilot when the landing gear is fully up or down. If it fails, the pilot might not know if the wheels are properly deployed — a serious safety risk.\n\n**Who must act:** Anyone who owns or operates one of these specific Beechcraft models in Australia.\n\n**What they must do:** Follow the instructions in specific **Beechcraft Service Bulletins** (technical repair notices from the manufacturer):\n- Model 35: Service Bulletin No. 21\n- Model A35: Service Bulletin No. 14  \n- Model B35: Service Bulletin No. 7\n- Model C35: Service Bulletin No. 5\n\n**When:** **Forthwith** — meaning immediately, without delay.\n\n**Why it matters:** Faulty landing gear indication has caused accidents. This directive prevents planes from flying with undetected landing gear problems. The reference to \"FAA AD 59-8-1\" shows this aligns with a 1959 US safety order, suggesting this addresses a known historical defect.\n\n**The bottom line:** If you fly one of these Bonanzas, you cannot legally operate it until you've completed this safety fix."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"The AD, as presented, applies specifically to Beechcraft Models 35, A35, B35 and C35 with serial numbers D1501–D2800 and requires action according to the listed Beechcraft Service Bulletins. The text contains no indication that the instrument’s scope has been expanded or altered from that stated applicability."},"complexity_factors":["Cross-reference to external manufacturer Service Bulletins for technical detail (Requirement) — AD lacks procedural content.","Immediate compliance timeframe (\"Forthwith\") increases logistical urgency and resource coordination (Compliance).","Narrow serial-number and model applicability requires operators to verify aircraft identity (Applicability).","External cross-reference to an FAA AD (59-8-1) introduces an additional source to consult for context or rationale (Note).","Absence of stated cost, funding, reporting, or exemption mechanisms in the AD text increases uncertainty about administrative and financial treatment (Requirement)."],"plain_english_summary":"This Airworthiness Directive requires owners/operators of Beechcraft Models 35, A35, B35 and C35 (S/N D1501–D2800) to, forthwith, obtain and carry out the manufacturer’s specified Service Bulletins addressing the landing‑gear limit switch. Compliance is mandatory, enforced by the Civil Aviation Safety Authority, with costs, downtime and technical work borne by operators. The AD cross‑references FAA AD 59‑8‑1 but contains no technical detail beyond the SBs."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-35-13-landing-gear-limit-switch","history":"/api/acts/ad-beech-35-13-landing-gear-limit-switch/history","analysis":"/api/acts/ad-beech-35-13-landing-gear-limit-switch/analysis","conflicts":"/api/acts/ad-beech-35-13-landing-gear-limit-switch/conflicts","importantCases":"/api/acts/ad-beech-35-13-landing-gear-limit-switch/important-cases","documents":"/api/acts/ad-beech-35-13-landing-gear-limit-switch/documents"}}