{"id":"F2009L03447","name":"AD/CESSNA 320/24 - Exhaust Tailpipe Support Kit - Installation - CANCELLED","slug":"ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":141086,"registerId":"commonwealth-F2009L03447-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Cessna 320 Series Aeroplanes","sectionType":"division","heading":"Cessna 320 Series Aeroplanes","content":"### Cessna 320 Series Aeroplanes\n\n| AD/CESSNA 320/24 | Exhaust Tailpipe Support Kit - Installation | 10/2009 |\n| ---------------- | ------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                   |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 24 September 2009.                                                                                                   |\n| Background:  | This unique Australian AD specified action in accordance with SL No. ME75-17 Category III before January 1976. The AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n14 August 2009","sortOrder":0},{"sectionNumber":"AD/CESSNA 320/24","sectionType":"part","heading":"AD/CESSNA 320/24","content":"## AD/CESSNA 320/24","sortOrder":1},{"sectionNumber":"Exhaust Tailpipe Support Kit - Installat","sectionType":"part","heading":"Exhaust Tailpipe Support Kit - Installation","content":"## Exhaust Tailpipe Support Kit - Installation","sortOrder":2},{"sectionNumber":"10/2009","sectionType":"part","heading":"10/2009","content":"## 10/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1924},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument represents a termination of previous obligations rather than an expansion. The original AD required installation of exhaust tailpipe support kits; this version cancels those requirements entirely as of 24 September 2009."},"complexity_factors":["Single operative provision (cancellation of previous instrument)","No substantive compliance requirements imposed","No defined terms or interpretation sections","No conditional logic or nested exceptions","Minimal length (under 100 words of operative content)"],"plain_english_summary":"This document **cancels** an old aviation safety rule (Airworthiness Directive AD/CESSNA 320/24) that previously required owners of Cessna 320 series aircraft to install an exhaust tailpipe support kit.\n\n**What this means for aircraft owners:**\n- You are no longer required to comply with the specific maintenance action mandated by the original directive (which referenced Service Letter No. ME75-17 Category III).\n- The Civil Aviation Safety Authority (CASA) has determined this safety requirement is no longer necessary.\n\n**Effective date:** The cancellation took effect on 24 September 2009."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled","history":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled/history","analysis":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled/analysis","conflicts":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled/conflicts","importantCases":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled/important-cases","documents":"/api/acts/ad-cessna-320-24-exhaust-tailpipe-support-kit-installation-cancelled/documents"}}