{"id":"F2006B07517","name":"AD/TSA-600/8 - Main Cabin Door - Inspection","slug":"ad-tsa-600-8-main-cabin-door-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50032,"registerId":"commonwealth-F2006B07517-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/TSA-600/8 - Main Cabin Door - Inspection","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)  Aerostar (Piper/Ted Smith) 600 and 700 Series Aeroplanes\n\n \n\nAD/TSA-600/8 Main Cabin Door - Inspection 3/77\n\nApplicability: All models 600 and 601 with S/Nos. up to 0375. Document:  Ted smith Corp. SB No. SB600-61.\n\nCompliance: Within 25 hours time in service after 31 March 1977.\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\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 discrete, single-issue airworthiness directive from 1977. It has not grown beyond its original purpose of mandating a specific inspection on a specific aircraft type. The scope remains precisely as intended: a targeted safety intervention for a known defect in a defined fleet segment."},"complexity_factors":["Extremely short document — only 4 substantive lines of regulatory content","No defined terms section — all terms are plain English or standard aviation references","No cross-referencing to other legislation beyond the parent Civil Aviation Regulations 1998","Single, unambiguous compliance requirement with clear deadline","No conditional logic, exceptions, or nested provisions","Simple applicability test (model + serial number range)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations 1998.\n\n**What it does:**\n- Requires owners and operators of specific **Aerostar (Piper/Ted Smith) 600 and 700 series aeroplanes** to inspect the **main cabin door** on their aircraft.\n\n**Who it affects:**\n- Owners and operators of **Aerostar 600 and 601 model aircraft** with **serial numbers up to 0375**.\n\n**What they must do:**\n- Carry out the inspection detailed in **Ted Smith Corporation Service Bulletin SB600-61**.\n- Complete this inspection **within 25 hours of flying time** after **31 March 1977**.\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety instructions. If you don't comply, your aircraft is not considered airworthy — meaning you cannot legally fly it. This particular directive addresses a specific safety concern with the main cabin door on these aircraft models, likely due to a discovered defect or failure risk that could affect flight safety."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The text defines a limited, specific scope: a one-time inspection requirement for Aerostar models 600 and 601 up to serial number 0375, to be done per Ted Smith Corp SB600-61 within 25 hours TIS after 31 March 1977. The AD text shows no indication that its scope has been altered from that stated requirement."},"complexity_factors":["Narrow, specific applicability (models 600 and 601 with S/Ns up to 0375) reduces stakeholder breadth.","Single required action (inspection) and a single, short deadline make the directive operationally simple.","Reliance on an external document (Ted Smith Corp SB No. SB600-61) for the inspection procedure adds implementation dependency and requires operators to obtain and interpret that bulletin.","The AD text does not include the technical inspection steps or record-keeping guidance, creating potential for practical ambiguity in execution.","The compliance deadline references a historic date and a short time-in-service window, which may raise issues for operators assessing whether inspection was already completed or how to count \"time in service.\""],"plain_english_summary":"Owners/operators of Aerostar models 600 and 601 (S/N up to 0375) must inspect the main cabin door per Ted Smith Corp. Service Bulletin SB600-61 within 25 hours TIS after 31 March 1977. This Part 39 AD imposes a fixed, near‑term inspection requirement and places compliance cost and responsibility on the aircraft owner/operator."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection","history":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection/history","analysis":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection/analysis","conflicts":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection/conflicts","importantCases":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection/important-cases","documents":"/api/acts/ad-tsa-600-8-main-cabin-door-inspection/documents"}}