{"id":"F2006B03787","name":"AD/BEECH 33/20 Amdt 2 - Flight Controls","slug":"ad-beech-33-20-amdt-2-flight-controls","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43383,"registerId":"commonwealth-F2006B03787-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 33/20 Amdt 2 - Flight Controls","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 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes\n\n \n\nAD/BEECH 33/20\n\nAmdt 2\n\n\nFlight Controls 1/79\n\n \n\nApplicability: All models: 35-B33, 35-C33, and G33 with S/Nos. CD-700, CD-970, CD1066 and CD1292 to CD1304; 35-C33A & F33A with S/Nos. CE-62, CE-372 & CE-447 to\n\nCE-684; F33C with S/Nos. CJ-31 to CJ-128 and all 35-33 and 33 series fitted with a rudder and or elevator shipped from Beech during period 1 May 1973 to 1 July 1976.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No. 0629-150 Rev. II.\n\n \n\nCompliance: Unless already accomplished, within 100 hours time in service after 31 January 1979.\n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":true,"description":"The document is labelled \"Amdt 2\" which indicates it is an amendment to AD/BEECH 33/20; the supplied text sets out the current applicability, requirement and compliance timeframe. The supplied text does not include the prior wording, so the precise nature of what was changed from earlier versions cannot be determined from this document alone (see header \"AD/BEECH 33/20 Amdt 2\" and the sections \"Applicability,\" \"Requirement,\" and \"Compliance\")."},"complexity_factors":["Narrow, specific applicability by model and serial number (\"Applicability\").","The AD delegates technical content to an external document (Beechcraft SI No. 0629-150 Rev. II), requiring the SI to be obtained and followed (\"Requirement\").","A short, fixed compliance window expressed in flight hours and tied to a specific date (\"within 100 hours time in service after 31 January 1979\") (\"Compliance\").","Legal mandatory character of an AD — non-discretionary obligation on owners/operators to comply (implied by the structure of the AD).","Document is an amendment (labelled \"Amdt 2\"), indicating it modifies prior text and requires attention to current versus prior wording."],"plain_english_summary":"This Airworthiness Directive mandates owners/operators of the specified Beechcraft 33 and 35‑33 series aircraft to carry out the maintenance actions set out in Beechcraft Service Instruction No. 0629‑150 Rev. II. Compliance is required within 100 hours time‑in‑service after 31 January 1979 if not already done. The CASA issued the AD; the SI contains the technical steps and owners/operators bear the cost and responsibility for compliance."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard Airworthiness Directive with limited, specific scope targeting particular aircraft models with identified safety issues. It has not expanded beyond its original purpose of mandating a specific flight control inspection/repair."},"complexity_factors":["Very short document (under 300 words)","Only 4 defined elements: applicability (aircraft models/serial numbers), requirement (reference to external document), compliance deadline, and effective date","No nested conditional logic or cross-references to other legislation","Single straightforward requirement: comply with manufacturer's service instruction","Simple temporal compliance trigger (100 hours time in service after fixed date)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**What it does:**\nOrders owners and operators of certain **Beechcraft Debonair and Bonanza aeroplanes** (models 33 and 35-33 series) to inspect and fix potential problems with their **flight controls** — specifically the rudder and elevator (the movable surfaces that steer the plane up/down and left/right).\n\n**Who it affects:**\n- Owners and operators of specific Beechcraft models with particular serial numbers manufactured or fitted with certain parts between **May 1973 and July 1976**\n- This includes models: 35-B33, 35-C33, G33, 35-C33A, F33A, and F33C with specific serial numbers listed\n\n**What must be done:**\n- Follow the instructions in **Beechcraft Service Instruction No. 0629-150 Revision II** (a technical manual from the manufacturer)\n- Complete the work within **100 hours of flying time** after 31 January 1979, unless already done\n\n**Why it matters:**\nFlight control defects can cause loss of control and crashes. This directive forces operators to check for and fix a known safety issue before the aircraft can continue flying safely."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-20-amdt-2-flight-controls","history":"/api/acts/ad-beech-33-20-amdt-2-flight-controls/history","analysis":"/api/acts/ad-beech-33-20-amdt-2-flight-controls/analysis","conflicts":"/api/acts/ad-beech-33-20-amdt-2-flight-controls/conflicts","importantCases":"/api/acts/ad-beech-33-20-amdt-2-flight-controls/important-cases","documents":"/api/acts/ad-beech-33-20-amdt-2-flight-controls/documents"}}