{"id":"F2008L01809","name":"AD/CESSNA 185/5 - Inertia Reel - CANCELLED","slug":"ad-cessna-185-5-inertia-reel-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":73975,"registerId":"commonwealth-F2008L01809-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 185 Series Aeroplanes","sectionType":"division","heading":"Cessna 185 Series Aeroplanes","content":"### Cessna 185 Series Aeroplanes\n\n| AD/CESSNA 185/5 | Inertia Reel | 7/2008 |\n| --------------- | ------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                              |\n| ------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 3 July 2008.                                                                                                                                                                                                                                    |\n| Background:  | This unique Australian AD, issued in 1963, required modification of the pilot’s safety harness by attaching the shoulder straps to the aircraft structure through an inertia reel. This AD is covered by AD/GENERAL/74 Amendment 1 and therefore is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n22 May 2008","sortOrder":0},{"sectionNumber":"AD/CESSNA 185/5","sectionType":"part","heading":"AD/CESSNA 185/5","content":"## AD/CESSNA 185/5","sortOrder":1},{"sectionNumber":"Inertia Reel","sectionType":"part","heading":"Inertia Reel","content":"## Inertia Reel","sortOrder":2},{"sectionNumber":"7/2008","sectionType":"part","heading":"7/2008","content":"## 7/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2141},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":true,"description":"The original 1963 directive imposed mandatory safety modifications (inertia reel installation) on Cessna 185 aircraft. This 2008 instrument eliminates that specific obligation by cancelling the directive entirely, shifting compliance to a general aviation safety directive (AD/GENERAL/74) that applies broadly across aircraft types."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms or interpretative sections","Requires external knowledge of referenced directive AD/GENERAL/74","No conditional logic, exceptions, or procedural steps"],"plain_english_summary":"**What this does:** This document cancels an old aviation safety rule that applied specifically to Cessna 185 aircraft.\n\n**The old rule:** Dating back to 1963, it required owners to modify the pilot's seatbelt system by installing an **inertia reel** (a mechanism that allows shoulder straps to move freely during normal flight but locks them tight during sudden stops or crashes).\n\n**Why it's being cancelled:** A newer, general safety rule (**AD/GENERAL/74 Amendment 1**) now covers this requirement for all aircraft types, making the 1963 Cessna-specific rule redundant.\n\n**Who it affects:** Owners and operators of Cessna 185 series aeroplanes.\n\n**What happens now:** From 3 July 2008, these aircraft no longer need to comply with the specific 1963 directive. Instead, they must follow the general safety harness requirements in the newer directive."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled","history":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled/history","analysis":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled/analysis","conflicts":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled/important-cases","documents":"/api/acts/ad-cessna-185-5-inertia-reel-cancelled/documents"}}