{"id":"F2006B07296","name":"AD/TB10/28 - Upper Attachment of Front Seat Belts","slug":"ad-tb10-28-upper-attachment-of-front-seat-belts","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":49270,"registerId":"commonwealth-F2006B07296-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/TB10/28 - Upper Attachment of Front Seat Belts","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)  Aerospatiale (Socata) TB9 and TB10 (Tobago) Series Aeroplanes\n\n \n\nAD/TB10/28 Upper Attachment of Front Seat Belts 11/96 DM\n\nApplicability: S/Nos. 1 to 1701, 1707 to 1750, 1758 to 1763,1767, 1768, and 1769. Requirement:  For TB9 aircraft not equipped with upholstering on the upper duct post:\n\n-  action in accordance with Socata SB 10-104-25.\n\n \n\nFor TB9, TB10 and TB200 aircraft with upholstering on the upper duct post:\n\n \n\n-  action in accordance with Socata SB 10-103-25.\n\n \n\nNote: DGAC ADs 96-142(A) and 96-143(A) refer.\n\n \n\nCompliance: Within 50 hours time in service, or 30 days, after 14 August 1996 whichever occurs first.\n\n \n\nBackground: This Directive is issued to ensure the integrity of the upper attachment of the front seat belts.\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, targeted safety directive addressing a specific mechanical defect in specific aircraft models. It has not expanded beyond its original purpose of ensuring seat belt attachment integrity."},"complexity_factors":["Very short document (approximately 200 words)","Only 2 conditional branches based on upholstery presence","References to external technical documents (Socata Service Bulletins) rather than detailed procedural instructions within the text itself","Simple applicability list (serial number ranges)","Single compliance deadline with straightforward 'whichever occurs first' logic","No defined terms section, no cross-references to other legislation, no nested exceptions"],"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 **Socata TB9, TB10, and TB200 aeroplanes** (small single-engine aircraft commonly used for training and private flying) to inspect and fix a potential safety problem with the **upper attachment point of the front seat belts**.\n\n**Who it affects:**\n- Aircraft with serial numbers: 1 to 1701, 1707 to 1750, 1758 to 1763, and 1767-1769\n- The fix depends on whether the aircraft has upholstery (padding/trim) on the upper duct post (a structural part near the seat belt mounting):\n  - **No upholstery:** Follow Socata Service Bulletin SB 10-104-25\n  - **With upholstery:** Follow Socata Service Bulletin SB 10-103-25\n\n**Why it matters:**\nSeat belt attachments are critical safety equipment. If the upper attachment fails, seat belts could detach during turbulence or an accident, putting pilots and passengers at serious risk of injury.\n\n**When it had to be done:**\nWithin 50 flight hours or 30 days after 14 August 1996 — whichever came first.\n\n**Key point:** This is not optional. Airworthiness Directives are legally binding safety requirements. Ignoring them means the aircraft cannot legally fly."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument presents a single, targeted requirement with specified applicability and deadline. The text contains no indication that the scope has been amended from an earlier version; it sets the stated applicability, required actions (via Socata service bulletins) and the compliance timeframe as issued."},"complexity_factors":["Applicability limited to specific serial number ranges (S/Nos. 1–1701, 1707–1750, 1758–1763, 1767–1769) — narrows who must act and requires checking serial records (Applicability).","Action is defined by external manufacturer service bulletins (Socata SB 10-104-25 or SB 10-103-25), creating a dependency on those documents for technical detail and costing (Requirement).","Two alternative service-bulletin paths depend on whether the upper duct post has upholstering, requiring a factual inspection to determine the correct procedure (Requirement).","Short mandatory compliance window: within 50 hours time-in-service or 30 days after 14 August 1996 — raises scheduling and operational disruption risk for operators (Compliance).","Reference to related foreign directives (DGAC ADs 96-142(A) and 96-143(A)) may require cross-checking for technical equivalence or additional steps (Note).","Who pays and who decides: the Civil Aviation Safety Authority issues the directive but owners/operators are responsible for carrying out and funding the inspection/repairs per the referenced service bulletins (Header; Requirement; Compliance)."],"plain_english_summary":"**This airworthiness directive requires owners/operators of certain Aerospatiale (Socata) TB9, TB10 and TB200 aeroplanes (listed by serial number) to carry out the manufacturer’s service-bulletin inspection/repair of the upper front‑seat belt attachment.** Compliance must be completed within 50 hours time‑in‑service or 30 days after 14 August 1996 to ensure the integrity of the upper attachment of the front seat belts."}},"importantCases":[],"_links":{"self":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts","history":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts/history","analysis":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts/analysis","conflicts":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts/conflicts","importantCases":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts/important-cases","documents":"/api/acts/ad-tb10-28-upper-attachment-of-front-seat-belts/documents"}}