{"id":"F2006B07045","name":"AD/SM-205/22 - Front Seat Restraint Installations - Modification","slug":"ad-sm-205-22-front-seat-restraint-installations-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":48768,"registerId":"commonwealth-F2006B07045-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/SM-205/22 - Front Seat Restraint Installations - Modification","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)  SIAI Marchetti S205 and S208 Series Aeroplanes\n\n \n\nAD/SM-205/22 Front Seat Restraint Installations - Modification 12/72\n\nApplicability: All models.\n\n \n\nRequirement: Modify each front seat restraint installation by fitting a safety harness in accordance with a scheme approved by the Secretary.\n\n \n\nNote: Guidelines for installation schemes are outlined in Airworthiness Advisory Circular No. 62 dated March 1972.\n\n \n\nCompliance: Before 1 January 1974.\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":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The text sets a clear, model-inclusive scope: all SIAI Marchetti S205 and S208 series aeroplanes are subject to the same requirement to have front seat safety harnesses fitted under an approved scheme (Applicability; Requirement). The instrument does not indicate any change or narrowing of scope from its directive form; it prescribes action for all models and specifies a compliance date (Compliance)."},"complexity_factors":["Single, concrete technical requirement (fit safety harness to each front seat) reduces complexity (Requirement).","Universal applicability to all models simplifies scope but increases the number of affected operators (Applicability).","External approval requirement (scheme must be approved by the Secretary) introduces administrative discretion and potential delay (Requirement).","Reference to an external advisory document (Airworthiness Advisory Circular No. 62) creates a dependence on non-statutory guidance for implementation details (Note).","Firm compliance deadline creates operational scheduling pressure but keeps obligations definite (Compliance)."],"plain_english_summary":"This directive requires owners/operators of SIAI Marchetti S205 and S208 aeroplanes to fit an approved safety harness to every front seat, with the work completed by 1 January 1974.\n\nCosts fall to owners/operators; installations must follow a scheme approved by the Secretary (Airworthiness Advisory Circular No. 62 offers guidance), so administrative approval and parts/installer availability are the main timing and compliance risks."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, time-bound safety directive from 1972 with a narrow, specific purpose (modifying seat restraints on two specific aircraft series). There is no indication of scope creep; it does exactly what it says on the tin."},"complexity_factors":["Very short document (approximately 150 words of substantive content)","Only 1 defined term implicitly referenced ('Secretary')","No cross-references to other legislation sections (only a non-binding reference to an Advisory Circular)","Simple unconditional requirement: fit safety harness, get approval, comply by date","Single applicability criterion: 'All models'","No exceptions, exemptions, or conditional logic"],"plain_english_summary":"This is an **Airworthiness Directive** (a mandatory safety order) issued by Australia's Civil Aviation Safety Authority for **SIAI Marchetti S205 and S208 series aeroplanes**.\n\n**What it does:**\n- Requires owners/operators to **modify the front seat restraints** (seatbelts/harnesses) in these aircraft\n- Specifically mandates fitting a **safety harness** to each front seat\n- The modification must follow a scheme **approved by the Secretary** (the government official responsible for aviation safety at the time)\n\n**Who it affects:**\n- Owners and operators of all SIAI Marchetti S205 and S208 model aircraft\n- Maintenance organisations working on these aircraft\n\n**Why it matters:**\n- This improves pilot and front passenger safety by ensuring proper restraint systems are in place\n- It was made mandatory with a **hard deadline of 1 January 1974**\n- Non-compliance would mean the aircraft cannot legally fly\n\n**Historical context:** This directive dates from 1972 (note the \"12/72\" reference and the 1974 compliance date), reflecting evolving safety standards for general aviation aircraft of that era."}},"importantCases":[],"_links":{"self":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification","history":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification/history","analysis":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification/analysis","conflicts":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification/conflicts","importantCases":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification/important-cases","documents":"/api/acts/ad-sm-205-22-front-seat-restraint-installations-modification/documents"}}