{"id":"F2006B06695","name":"AD/S-76/1 Amdt 2 - Fuselage Tail Cone Inspections","slug":"ad-s-76-1-amdt-2-fuselage-tail-cone-inspections","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114500,"registerId":"commonwealth-F2006B06695-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/S-76/1 Amdt 2 - Fuselage Tail Cone Inspections","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)  Sikorsky S-76 Series Helicopters\n\n \n\nAD/S-76/1\n\nAmdt 2\n\n\nFuselage Tail Cone Inspections 6/80\n\n \n\nApplicability: All models S76A.\n\n \n\nDocument: FAA Emergency Telephone AD No. T80NE/24. Compliance:  As detailed in the requirement document.\n\nBackground:  The inspection and requirement times applicable to the stabiliser support fitting clamps have been revised.\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 Amendment 2 to an existing Airworthiness Directive. The scope remains tightly focused on tail cone inspections for the S-76A model. The amendment appears to revise inspection intervals only, without expanding to other helicopter models or systems."},"complexity_factors":["Extremely short document (under 200 words)","Only one defined applicability criterion (S76A models)","Single cross-reference to FAA source document (T80NE/24)","No conditional logic or exceptions — straightforward compliance requirement","No interpretation section or defined terms","Background section provides minimal context (one sentence)"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA). It requires owners and operators of **Sikorsky S-76A helicopters** to conduct specific inspections of the **fuselage tail cone** (the rear section of the helicopter's body).\n\n**What it does:**\n- Mandates inspections of the **stabiliser support fitting clamps** — metal brackets that hold the tail stabiliser (a small wing that keeps the helicopter steady) in place\n- Updates the timing requirements for when these inspections must happen (the previous schedule has been revised)\n\n**Who it affects:**\n- Anyone who owns, operates, or maintains **Sikorsky S-76A helicopters** in Australia\n- Maintenance engineers and aviation businesses servicing these aircraft\n\n**Why it matters:**\n- These clamps are critical structural components. If they fail, the tail stabiliser could detach, causing catastrophic loss of control\n- The directive follows an **FAA Emergency Telephone AD** from the US, indicating this addresses an urgent safety issue discovered after an incident or inspection\n- Compliance is **legally mandatory** — flying without completing these inspections violates civil aviation law"},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This amendment revises the inspection and requirement times for the stabiliser support fitting clamps on Sikorsky S-76A helicopters. The instrument itself does not list the new intervals or procedures; it requires compliance with the referenced FAA Emergency Telephone AD No. T80NE/24, which contains the operative technical details. (Background: \"The inspection and requirement times applicable to the stabiliser support fitting clamps have been revised.\"; Document: \"FAA Emergency Telephone AD No. T80NE/24. Compliance: As detailed in the requirement document.\")"},"complexity_factors":["Text is short and narrowly targeted (only S-76A models and stabiliser support fitting clamps). (Applicability: \"All models S76A.\")","Key technical details and exact inspection intervals are not in this text and are delegated to an external document (FAA Emergency Telephone AD No. T80NE/24). (Document: \"FAA Emergency Telephone AD No. T80NE/24. Compliance: As detailed in the requirement document.\")","Cross-jurisdictional reliance increases procedural complexity because implementers must retrieve and apply an FAA emergency AD in an Australian regulatory context. (Document citation above.)","Amendment language (\"Amdt 2\") implies prior versions and historical tracking may be necessary for full compliance history.","The directive states a change to timing only (\"inspection and requirement times... have been revised\") without quantifying or describing new tasks, which requires reference to the requirement document for operational clarity."],"plain_english_summary":"This instrument amends the airworthiness directive for Sikorsky S‑76A helicopters to adopt FAA Emergency AD T80NE/24, making the FAA document the mandatory technical reference in Australia. It revises inspection intervals and required actions for the stabiliser support fitting clamps in the fuselage tail‑cone area.\n\nHelicopter owners, operators and maintenance organisations must obtain and follow the FAA AD; compliance is mandatory and may change maintenance scheduling, costs and record‑keeping."}},"importantCases":[],"_links":{"self":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections","history":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections/history","analysis":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections/analysis","conflicts":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections/conflicts","importantCases":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections/important-cases","documents":"/api/acts/ad-s-76-1-amdt-2-fuselage-tail-cone-inspections/documents"}}