{"id":"F2007L04780","name":"AD/LA-4/6 - Front Seat Restraint Installation - Modification - CANCELLED","slug":"ad-la-4-6-front-seat-restraint-installation-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71316,"registerId":"commonwealth-F2007L04780-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Consolidated Aeronautics, Colonial and L","sectionType":"division","heading":"Consolidated Aeronautics, Colonial and LA-4 Series Aeroplanes","content":"### Consolidated Aeronautics, Colonial and LA-4 Series Aeroplanes\n\n| AD/LA-4/6 | Front Seat Restraint Installation - Modification | 1/2008 |\n| --------- | ------------------------------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                   |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 17 January 2008.                                                                                                                                     |\n| Background:  | This AD was issued in 1972 to require the installation of upper torso restraint on aircraft certified prior to 1967. This AD has been replaced by AD/GENERAL/74 Amendment 1. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n26 November 2007","sortOrder":0},{"sectionNumber":"AD/LA-4/6","sectionType":"part","heading":"AD/LA-4/6","content":"## AD/LA-4/6","sortOrder":1},{"sectionNumber":"Front Seat Restraint Installation - Modi","sectionType":"part","heading":"Front Seat Restraint Installation - Modification","content":"## Front Seat Restraint Installation - Modification","sortOrder":2},{"sectionNumber":"1/2008","sectionType":"part","heading":"1/2008","content":"## 1/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1524},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This directive has not expanded beyond its original purpose; rather, it has been completely cancelled and superseded by AD/GENERAL/74 Amendment 1. Its scope is now nil."},"complexity_factors":["Single administrative action (cancellation) with no operative provisions remaining","No defined terms, conditional logic, or nested exceptions","Only cross-reference is to the replacement directive"],"plain_english_summary":"This rule originally required owners of specific Consolidated Aeronautics aircraft (including the LA-4 Series and Colonial models) to install upper torso restraints—such as shoulder harnesses—in front seats if their aircraft were certified before 1967.\n\n**However, this directive has been cancelled.** As of 17 January 2008, it no longer has any legal effect. It has been replaced by a newer, broader directive (AD/GENERAL/74 Amendment 1). Aircraft operators who previously needed to comply with this rule should now follow that replacement directive instead."}},"importantCases":[],"_links":{"self":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled","history":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled/history","analysis":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled/analysis","conflicts":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled/conflicts","importantCases":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled/important-cases","documents":"/api/acts/ad-la-4-6-front-seat-restraint-installation-modification-cancelled/documents"}}