{"id":"F2007L04815","name":"AD/CESSNA 170/26 - Front Seat Restraint Installation - CANCELLED","slug":"ad-cessna-170-26-front-seat-restraint-installation-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71491,"registerId":"commonwealth-F2007L04815-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 170, 172, F172, FR172 and 175 Ser","sectionType":"division","heading":"Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes","content":"### Cessna 170, 172, F172, FR172 and 175 Series Aeroplanes\n\n| AD/CESSNA 170/26 | Front Seat Restraint Installation | 1/2008 |\n| ---------------- | --------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                   |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 17 January 2008.                                                                                                                                     |\n| Background:  | This AD was issued in 1971 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 This AD has been replaced by AD/GENERAL/74 Amendment 1.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/CESSNA 170/26","sectionType":"part","heading":"AD/CESSNA 170/26","content":"## AD/CESSNA 170/26","sortOrder":1},{"sectionNumber":"Front Seat Restraint Installation","sectionType":"part","heading":"Front Seat Restraint Installation","content":"## Front Seat Restraint Installation","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":2010},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"Originally mandated specific safety equipment installation for defined aircraft models; now completely cancelled and superseded by AD/GENERAL/74 Amendment 1, reducing the regulatory obligation to nil."},"complexity_factors":["Single operative provision (cancellation)","No defined terms or interpretation section","No conditional logic, cross-references, or exceptions within the operative text","Minimal word count with straightforward tabular presentation"],"plain_english_summary":"**What this is:** A cancelled safety rule for certain Cessna aircraft.\n\n**What it used to do:** Originally issued in 1971, this directive required owners of Cessna 170, 172, F172, FR172, and 175 series planes (certified before 1967) to install upper torso restraints — essentially shoulder harnesses or seatbelts with shoulder straps — in the front seats.\n\n**What it does now:** **Nothing.** This directive was cancelled on 17 January 2008 and is no longer in force.\n\n**Why it matters:** If you own one of these aircraft, you no longer need to follow this specific rule. A newer, broader safety directive (AD/GENERAL/74 Amendment 1) now covers seat restraint requirements for all aircraft types instead."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled","history":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled/history","analysis":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled/analysis","conflicts":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled/important-cases","documents":"/api/acts/ad-cessna-170-26-front-seat-restraint-installation-cancelled/documents"}}