{"id":"F2006B03989","name":"AD/BEECH 55/43 Amdt 1 - Left Cabin Window Forward or Rear Cabin Door","slug":"ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43598,"registerId":"commonwealth-F2006B03989-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/43 Amdt 1 - Left Cabin Window Forward or Rear Cabin Door","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 55, 58 and 95-55 (Baron) Series Aeroplanes\n\n \n\nAD/BEECH 55/43\n\nAmdt 1\n\n\nLeft Cabin Window Forward or Rear Cabin Door 12/78\n\n \n\nApplicability: All models 58P & 58PA with S/Nos. TJ-2 to TJ-58. Requirement:  Action in accordance with Beechcraft No. 0828-110, Rev.1.\n\nCompliance: As detailed in the Requirement Document with effect from 31 December 1978.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a narrow, targeted safety directive focused on a specific airframe issue (left cabin window/rear door) on specific aircraft models. It has not expanded beyond its original technical safety purpose. The amendment (Amdt 1) appears to be a routine update to the original 1978 directive, likely clarifying applicability or updating the referenced document revision."},"complexity_factors":["Extremely short document (under 200 words)","Only 4 operative provisions: applicability, requirement, compliance date, and reference to external technical document","No defined terms section","No cross-references to other legislation beyond the parent Civil Aviation Regulations 1998","Simple conditional logic: if you own this specific aircraft (by model and serial number), you must do this specific thing by this date","Single external reference to manufacturer service bulletin rather than complex regulatory cross-referencing"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety notice issued by Australia's Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**What it does:**\nOrders owners and operators of certain Beechcraft Baron aeroplanes to carry out specific maintenance or inspection work on the **left cabin window forward or rear cabin door**.\n\n**Who it affects:**\n- **Aircraft models:** Beechcraft 58P and 58PA (pressurised Baron models)\n- **Serial numbers:** TJ-2 through TJ-58 only\n- **People affected:** Aircraft owners, operators, and maintenance engineers responsible for these specific planes\n\n**What must be done:**\nThe work must follow **Beechcraft Service Bulletin No. 0828-110, Revision 1** — a technical document from the manufacturer detailing exactly what inspections or repairs are needed.\n\n**When it had to be done:**\nBy **31 December 1978** (this is a historical directive from 1978, as indicated by \"12/78\" in the title).\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety orders. If you don't comply, the aircraft cannot legally fly. This particular AD addressed potential safety issues with the left-side windows or rear doors on early pressurised Baron aircraft — problems that could affect cabin integrity or safety in flight."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"The instrument is labeled as Amendment 1 (Amdt 1) to AD/BEECH 55/43, which indicates it modifies a prior directive. The supplied text does not include the earlier version or specify what wording or scope was changed, so the presence of an amendment is clear but the nature and extent of the change to original intent cannot be determined from this text alone."},"complexity_factors":["Narrow, serial-number-specific applicability (models 58P & 58PA, S/N TJ-2 to TJ-58) which simplifies scope but requires checking individual aircraft records (Applicability).","Dependence on an external manufacturer document (Beechcraft No. 0828-110, Rev.1) for technical instructions—AD lacks procedural detail and requires access to that document (Requirement).","Single fixed compliance effective date (31 December 1978) with no phased compliance or alternative means of compliance described in the supplied text (Compliance).","Amendment status (Amdt 1) indicates a change to a prior AD but the supplied text does not include the earlier wording or specific amendment details, which complicates historical tracking.","Minimal procedural detail in the AD itself—administrative and enforcement mechanisms are referenced only by the regulatory header (Civil Aviation Regulations Part 39) rather than in the AD body (header)."],"plain_english_summary":"This AD (Part 39) requires owners/operators of Beechcraft 58P and 58PA aircraft serial TJ-2 through TJ-58 to carry out the work specified in Beechcraft No. 0828-110, Rev.1 concerning the left cabin window forward or rear cabin door. It makes compliance mandatory from 31 December 1978, delegates the technical steps to the manufacturer document, and thus creates a narrow, document-dependent obligation for that small group of aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door","history":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door/history","analysis":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door/analysis","conflicts":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door/conflicts","importantCases":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door/important-cases","documents":"/api/acts/ad-beech-55-43-amdt-1-left-cabin-window-forward-or-rear-cabin-door/documents"}}