{"id":"F2008L03713","name":"AD/PA-24/9 - Control Tube Guide Blocks - Safety Wiring - CANCELLED","slug":"ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":75428,"registerId":"commonwealth-F2008L03713-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Piper PA-24 (Comanche) Series Aeroplanes","sectionType":"division","heading":"Piper PA-24 (Comanche) Series Aeroplanes","content":"### Piper PA-24 (Comanche) Series Aeroplanes\n\n| AD/PA-24/9 | Control Tube Guide Blocks - Safety Wiring | 11/2008 |\n| ---------- | ----------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                  |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 23 October 2008.                                                                                                                                                    |\n| Background:  | This unique Australian AD specified safety wiring of control tube guide blocks in accordance with Piper SB No. 178. Compliance was required by December 1959. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n8 September 2008","sortOrder":0},{"sectionNumber":"AD/PA-24/9","sectionType":"part","heading":"AD/PA-24/9","content":"## AD/PA-24/9","sortOrder":1},{"sectionNumber":"Control Tube Guide Blocks - Safety Wirin","sectionType":"part","heading":"Control Tube Guide Blocks - Safety Wiring","content":"## Control Tube Guide Blocks - Safety Wiring","sortOrder":2},{"sectionNumber":"11/2008","sectionType":"part","heading":"11/2008","content":"## 11/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1739},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument performs exactly as described—it cancels a previous Airworthiness Directive. There is no expansion beyond the stated purpose of removing the obsolete safety requirement."},"complexity_factors":["Single operative provision (cancellation of previous instrument)","No defined terms or interpretation section","No conditional logic, exceptions, or cross-references","Straightforward repeal without replacement provisions"],"plain_english_summary":"This document officially cancels an old aviation safety rule (called an **Airworthiness Directive**) that applied to **Piper PA-24 Comanche** aircraft. The original rule required aircraft owners to install safety wiring on control tube guide blocks—parts that help guide the aircraft's control cables—to prevent them from loosening during flight. Because this specific safety measure is no longer considered necessary, the requirement has been formally cancelled and no longer applies to these aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled","history":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled/history","analysis":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled/analysis","conflicts":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled/conflicts","importantCases":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled/important-cases","documents":"/api/acts/ad-pa-24-9-control-tube-guide-blocks-safety-wiring-cancelled/documents"}}