{"id":"F2006B03987","name":"AD/BEECH 55/40 Amdt 1 - Flight Controls","slug":"ad-beech-55-40-amdt-1-flight-controls","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43596,"registerId":"commonwealth-F2006B03987-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/40 Amdt 1 - Flight Controls","content":"COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 \\- 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n![](image.001.png)  \nBeechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes\n\nAD/BEECH 55/40\n\nAmdt 1\n\n  \nFlight Controls 9/78\n\nApplicability: All models: 95-A55, 95-B55 & 95-B55A with S/Nos. TC-241, TC-661, TC-1510 and TC-1570 to TC-2011; 95-C55, 95-C55A, D55, D55A, E55 and E55A with S/Nos.\n\nTE-271, TE-415, TE-485, TE-615, TE-703, TE-710, TE-905, TE-911, TE-923 to TE-937, TE-939, TE-940 and TE-942 to TE-1084; 58 & 58A with S/Nos. TH-49,\n\nTH-77, TH-114, TH-145, TH-180, TH-217, TH-324, TH-340 and TH-343 to TH-779;\n\n58-P and 58PA with S/Nos. TJ-2 to TJ-97; 58TC & 58TCA with S/Nos. TK-1 to TK-37 and all 95-55, 55 and 58 series fitted with rudder and/or elevators shipped from Beech during period 1 May 1973 to 1 July 1976.\n\nRequirement: Action in accordance with Beechcraft SI No. 0629-150, Rev. II.\n\nCompliance: Unless already accomplished, within 100 hours’ time in service after 31 January 1979.","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This is a standard, narrow Airworthiness Directive focused on a specific safety issue with specific aircraft. It has not expanded beyond its original purpose of addressing flight control defects in identified Beechcraft models."},"complexity_factors":["Extensive serial number lists creating applicability complexity (17 separate serial number ranges/groups across multiple models)","Date-based applicability overlay (1 May 1973 to 1 July 1976 component shipping window) creating a secondary eligibility test","External document incorporation by reference (Beechcraft SI No. 0629-150, Rev. II) — the actual requirements are not in the legislation itself","Conditional compliance deadline ('unless already accomplished')","Technical aviation terminology requiring domain knowledge (time in service, serial number conventions, model suffixes like 'A', 'PA', 'TCA')"],"plain_english_summary":"This is an **Airworthiness Directive** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It requires owners and operators of specific **Beechcraft Baron aeroplanes** (models 55, 58, and 95-55 series) to inspect or fix their **flight controls** (the rudder and/or elevators — the parts that steer and pitch the aircraft).\n\n**Who must comply:**\n- Owners and operators of specific Beechcraft Baron models with particular serial numbers listed in the document\n- Also covers any of these aircraft that received replacement rudders or elevators from Beechcraft between **1 May 1973 and 1 July 1976**\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 detailing the required inspection or repair\n\n**When it must be done:**\n- Within **100 hours of flying time** after **31 January 1979**, unless the work was already completed\n\n**Why it matters:**\nAirworthiness Directives are legally binding. If you don't comply, you cannot fly the aircraft. This particular directive addresses potential safety defects in flight control components from a specific manufacturing period, preventing possible loss of control in flight."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This instrument is labelled as Amendment 1 to AD/BEECH 55/40 (Amdt 1). As an amendment, it changes the original AD’s content or enforcement (the AD text requires action per Beechcraft SI No. 0629-150, Rev. II for the listed aircraft and sets the 100-hour compliance window). The AD text supplied does not include the prior version, so the precise nature or extent of the change from the original AD cannot be determined from this document alone."},"complexity_factors":["Detailed list of affected models and numerous serial numbers requires careful verification of each airframe (Applicability).","Mandates compliance with an external technical document (Beechcraft SI No. 0629-150, Rev. II) rather than specifying the technical steps in the AD (Requirement).","Short compliance window measured in flight hours (100 hours TIS after 31 January 1979) creates operational scheduling pressure (Compliance).","The applicability includes a categorical rule tied to components shipped during a date range, which may necessitate review of historical shipping or maintenance records.","No alternative methods or exemptions are provided in the AD text itself, so compliance requires following the referenced SI or seeking regulator intervention."],"plain_english_summary":"This AD requires specified Beechcraft 55/58/95‑55 series aeroplanes to be inspected/modified per Beechcraft Service Instruction No. 0629‑150, Rev. II. It applies to listed serial numbers and any 55/58/95‑55 airframes fitted with rudder/elevators shipped from Beechcraft between 1 May 1973 and 1 July 1976.\n\nRegistered owners, operators and maintenance organisations must complete the work within 100 hours TIS after 31 Jan 1979. The mandate targets a flight‑control issue and imposes direct cost, downtime and compliance verification burdens on affected parties."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-40-amdt-1-flight-controls","history":"/api/acts/ad-beech-55-40-amdt-1-flight-controls/history","analysis":"/api/acts/ad-beech-55-40-amdt-1-flight-controls/analysis","conflicts":"/api/acts/ad-beech-55-40-amdt-1-flight-controls/conflicts","importantCases":"/api/acts/ad-beech-55-40-amdt-1-flight-controls/important-cases","documents":"/api/acts/ad-beech-55-40-amdt-1-flight-controls/documents"}}