{"id":"F2009L03027","name":"AD/MCH/4 - Smoking Placard - Installation - CANCELLED","slug":"ad-mch-4-smoking-placard-installation-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":80584,"registerId":"commonwealth-F2009L03027-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Aero Resources J2 Series Gyroplanes","sectionType":"division","heading":"Aero Resources J2 Series Gyroplanes","content":"### Aero Resources J2 Series Gyroplanes\n\n| AD/MCH/4 | Smoking Placard - Installation | 9/2009 |\n| -------- | ------------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                            |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 27 August 2009.                                                                                                                                                                                                                                                                               |\n| Background:  | This AD, raised in 1974, required a modification to comply with requirements contained in superseded certification legislation. Compliance was required before issue of a certificate of airworthiness.The requirements of this AD have been superseded and are now covered elsewhere. This AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n30 June 2009","sortOrder":0},{"sectionNumber":"AD/MCH/4","sectionType":"part","heading":"AD/MCH/4","content":"## AD/MCH/4","sortOrder":1},{"sectionNumber":"Smoking Placard - Installation","sectionType":"part","heading":"Smoking Placard - Installation","content":"## Smoking Placard - Installation","sortOrder":2},{"sectionNumber":"9/2009","sectionType":"part","heading":"9/2009","content":"## 9/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1911},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":true,"description":"This instrument eliminates the regulatory requirement entirely rather than modifying it. The scope has changed from imposing a mandatory obligation (installation of smoking placards) to removing that obligation completely, as the requirements are now integrated into other current regulatory frameworks."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretation section","No conditional logic, exceptions, or procedural requirements","Minimal cross-referencing to other legislation"],"plain_english_summary":"This document officially cancels an old aircraft safety rule (Airworthiness Directive MCH/4) originally created in 1974. The old rule required certain gyroplanes to install \"no smoking\" signs (called **placards**) before they could receive an airworthiness certificate (official approval to fly). \n\n**What this means:**\n- **For aircraft owners:** You no longer need to comply with this specific 1974 directive about smoking placards.\n- **Why it's cancelled:** The safety requirements are now covered by current aviation laws, making this old rule redundant.\n- **Important:** Smoking is still restricted on aircraft under other regulations—only this specific technical requirement has been removed."}},"importantCases":[],"_links":{"self":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled","history":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled/history","analysis":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled/analysis","conflicts":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled/conflicts","importantCases":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled/important-cases","documents":"/api/acts/ad-mch-4-smoking-placard-installation-cancelled/documents"}}