{"id":"F2006B03801","name":"AD/BEECH 33/34 - Pilot and Co-Pilot Seat Frame Assemblies","slug":"ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43397,"registerId":"commonwealth-F2006B03801-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 33/34 - Pilot and Co-Pilot Seat Frame Assemblies","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 33/34 Pilot and Co-Pilot Seat Frame Assemblies 13/88\n\nApplicability: Models F33A with S/Nos CE-621 through CE-1024.\n\n \n\nModels F33C with S/Nos CJ-112 through CJ-155.\n\n \n\nRequirement: Action in accordance with Beechcraft Mandatory SB 2010 Rev 1 Part II.\n\n \n\nNote: FAA AD 88-21-02 refers.\n\n \n\nCompliance: At the next scheduled inspection for Maintenance Release issue after 29 December 1988.\n\n \n\nBackground: To prevent failure of the pilot and copilot seat attachment during an emergency landing.\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 seat frame inspections for the identified Beechcraft models."},"complexity_factors":["Very short document (under 200 words)","Only 2 defined applicability criteria (specific serial number ranges for 2 model variants)","Single requirement referencing an external technical document (Beechcraft SB 2010 Rev 1 Part II)","Simple compliance deadline (next scheduled inspection after fixed date)","No nested exceptions, conditional logic, or cross-references to other legislation","Single background rationale with clear safety purpose"],"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 aeroplanes to inspect and fix the pilot and co-pilot seat frames to prevent them from breaking during an emergency landing.\n\n**Who it affects:**\n- Owners and operators of **Beechcraft F33A models** with serial numbers CE-621 through CE-1024\n- Owners and operators of **Beechcraft F33C models** with serial numbers CJ-112 through CJ-155\n\n**What must be done:**\nFollow the instructions in **Beechcraft Mandatory Service Bulletin 2010 Revision 1, Part II** (a technical repair notice from the manufacturer).\n\n**When it must be done:**\nBy the next scheduled inspection for issuing a **Maintenance Release** (a certificate showing the aircraft is safe to fly) after **29 December 1988**.\n\n**Why it matters:**\nFaulty seat frames could collapse during a crash landing, potentially killing or injuring the flight crew. This directive forces a fix before the aircraft can continue flying legally."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument, as written, implements a narrowly targeted airworthiness directive for specific Beechcraft F33A and F33C serial-number ranges, requiring action per a manufacturer service bulletin at the next scheduled Maintenance Release inspection after 29 December 1988. The background states the directive’s purpose (prevent seat attachment failure in an emergency landing). There is no textual indication in this instrument that the scope has been expanded or narrowed from that stated purpose; the AD confines itself to the specified aircraft and to the manufacturer procedure named. (Applicability; Requirement; Compliance; Background)"},"complexity_factors":["Narrow, specific applicability limited to two models and defined serial-number ranges (Applicability).","Single required action but procedural detail is in an external document (Beechcraft Mandatory SB 2010 Rev 1 Part II), increasing implementation reliance on that bulletin (Requirement).","Fixed compliance timing tied to the next scheduled Maintenance Release inspection after a historical date, which simplifies timing but requires scheduling coordination (Compliance).","Brief text with no exemption, alternative compliance or enforcement detail in the instrument itself, leaving interpretive and operational questions to regulators, operators and the referenced SB (Requirement; Compliance).","Cross-reference to an FAA AD suggests international coordination but adds an additional document to consult (Note)."],"plain_english_summary":"Owners/operators of specified Beechcraft Model F33A and F33C aeroplanes must have the pilot and co‑pilot seat frame assemblies inspected and worked on per Beechcraft Mandatory SB 2010 Rev 1 Part II at the next scheduled Maintenance Release inspection after 29 December 1988. \n\nThis mandatory action aims to prevent seat‑attachment failure in an emergency landing, placing compliance cost and scheduling responsibility on affected operators and relying on correct implementation of the referenced service bulletin."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies","history":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies/history","analysis":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies/analysis","conflicts":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies/conflicts","importantCases":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies/important-cases","documents":"/api/acts/ad-beech-33-34-pilot-and-co-pilot-seat-frame-assemblies/documents"}}