{"id":"F2006B09044","name":"AD/DHC-2/26 - Passenger Seats and Passenger Seat Attachment Fittings","slug":"ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":52758,"registerId":"commonwealth-F2006B09044-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/DHC-2/26 - Passenger Seats and Passenger Seat Attachment Fittings","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)  DHC-2 (Beaver) Series Aeroplanes\n\n \n\n# AD/DHC-2/26 Passenger Seats and Passenger Seat\n\nAttachment Fittings\n\nApplicability: All models fitted with passenger seats.\n\n# 4/89 DM\n\n \n\nRequirement: 1. Remove from service any passenger seat assembly that cannot be identified as being manufactured in accordance with a drawing approved by De Havilland Canada or a drawing approved under Air Navigation or Civil Aviation Regulations\n\n \n\n2. Inspect the floor and the seat for any corrosion of the seat attachment fittings and for correct operation and locking.\n\n \n\nCompliance: 1. Prior to further flight after 1 March 1989.\n\n \n\n2. Prior to further flight after 1 March 1989 and thereafter before each seat installation and every three months whilst seats are installed.\n\n \n\nBackground:  The investigation that followed a fatal accident has revealed that failed passenger seats were of sub-standard manufacture, were not approved in accordance with Air Navigation or Civil Aviation Regulations and that the seats had not been properly locked into the floor due to severely corroded fittings.\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":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1817},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The directive maintains its original narrow scope addressing specific passenger seat safety deficiencies identified following a fatal accident. It has not expanded beyond the immediate safety remediation for DHC-2 Beaver seat fittings."},"complexity_factors":["Document contains only two operative requirements","No defined terms or interpretation section","Simple conditional logic (compliance required prior to further flight after specific date)","References to external technical standards (De Havilland Canada drawings) without internal definitions","Single, unambiguous applicability clause"],"plain_english_summary":"This directive requires owners and operators of DHC‑2 Beaver aircraft to take immediate safety actions on passenger seats: unsafe or unidentifiable seats must be removed and floor/attachment fittings inspected for corrosion and correct locking/function.  \n\nIt stems from a fatal accident involving unapproved, corroded seats; the rule ensures only approved seats and airworthy attachments remain installed to prevent seat failure and passenger deaths."}},"importantCases":[],"_links":{"self":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings","history":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings/history","analysis":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings/analysis","conflicts":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings/conflicts","importantCases":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings/important-cases","documents":"/api/acts/ad-dhc-2-26-passenger-seats-and-passenger-seat-attachment-fittings/documents"}}