{"id":"F2008L02679","name":"AD/CESSNA 188/2 - Control Column Bearing Blocks and Bobweight - CANCELLED","slug":"ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":74722,"registerId":"commonwealth-F2008L02679-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 188 (Agwagon) Series Aeroplanes","sectionType":"division","heading":"Cessna 188 (Agwagon) Series Aeroplanes","content":"### Cessna 188 (Agwagon) Series Aeroplanes\n\n| AD/CESSNA 188/2 | Control Column BearingBlocks and Bobweight | 8/2008 |\n| --------------- | ------------------------------------------ | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                         |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 31 July 2008.                                                                                                                                                                                                                                                              |\n| Background:  | This unique Australian AD, issued in 1967, required modification to the aileron control system in accordance with Cessna Service Kit SK188-5 to improve lateral stability. The AD required compliance forthwith. As all affected aircraft would have been modified, this AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n16 June 2008","sortOrder":0},{"sectionNumber":"AD/CESSNA 188/2","sectionType":"part","heading":"AD/CESSNA 188/2","content":"## AD/CESSNA 188/2","sortOrder":1},{"sectionNumber":"Control Column BearingBlocks and Bobweig","sectionType":"part","heading":"Control Column BearingBlocks and Bobweight","content":"## Control Column Bearing  \nBlocks and Bobweight","sortOrder":2},{"sectionNumber":"8/2008","sectionType":"part","heading":"8/2008","content":"## 8/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2283},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument serves exclusively to cancel the original 1967 Airworthiness Directive. It does not expand, modify, or extend the regulatory scope; rather, it terminates the regulatory requirement entirely because its safety purpose has been fulfilled by universal compliance over the past 40 years."},"complexity_factors":["Single operative provision (cancellation of the previous directive)","No defined terms or interpretation section","No conditional logic, exceptions, or nested requirements","Extremely short length (approximately 100 words of operative content)","Only one external reference (the original 1967 AD being cancelled)"],"plain_english_summary":"This document officially **cancels** an outdated aviation safety rule affecting Cessna 188 **Agwagon** aircraft (agricultural aeroplanes commonly used for crop dusting).\n\n**What the old rule required:**\nOriginally issued in 1967, the directive required owners to modify the **aileron control system** (the controls that make the plane bank and turn) using a specific Cessna Service Kit (SK188-5). The goal was to improve **lateral stability** (keeping the plane level and preventing unwanted rolling movements).\n\n**Why it is being cancelled:**\nThe original rule demanded compliance \"forthwith\" (immediately) back in 1967. Because all affected aircraft would have been modified decades ago, the requirement is now obsolete. This document formally removes it from the aviation safety regulations as of 31 July 2008.\n\n**Who is affected:**\nWhile technically relevant to owners and operators of Cessna 188 series planes, this cancellation is largely administrative housekeeping since the physical safety work was completed long ago."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled","history":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled/history","analysis":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled/analysis","conflicts":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled/important-cases","documents":"/api/acts/ad-cessna-188-2-control-column-bearing-blocks-and-bobweight-cancelled/documents"}}