{"id":"F2007L04740","name":"AD/BEECH 33/3 - Insulation of Tachometer Flexdrive - CANCELLED","slug":"ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71236,"registerId":"commonwealth-F2007L04740-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Beechcraft 33 and 35-33 (Debonair/Bonanz","sectionType":"division","heading":"Beechcraft 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes","content":"### Beechcraft 33 and 35-33 (Debonair/Bonanza) Series Aeroplanes\n\n| AD/BEECH 33/3 | Insulation of Tachometer Flexdrive | 1/2008 |\n| ------------- | ---------------------------------- | ------ |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                               |\n| ------------ | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 17 January 2008.                                                                                                                                                                 |\n| Background:  | This is a unique Australian AD that was issued in 1967 requiring the installation of an insulating sleeve on the tachometer flexdrive. The unsafe condition no longer exists and the AD is now obsolete. |\n\n![](image.001.png)\n\nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n19 November 2007","sortOrder":0},{"sectionNumber":"AD/BEECH 33/3","sectionType":"part","heading":"AD/BEECH 33/3","content":"## AD/BEECH 33/3","sortOrder":1},{"sectionNumber":"Insulation of Tachometer Flexdrive","sectionType":"part","heading":"Insulation of Tachometer Flexdrive","content":"## Insulation of Tachometer Flexdrive","sortOrder":2},{"sectionNumber":"1/2008","sectionType":"part","heading":"1/2008","content":"## 1/2008","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1448},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly one function: the cancellation of Airworthiness Directive AD/BEECH 33/3. It does not expand, restrict, or otherwise alter the scope of the original legislation; it simply terminates its legal effect."},"complexity_factors":["Single operative provision consisting of one sentence ('This AD is cancelled')","No defined terms, interpretation section, or glossary","No cross-references to other legislative instruments","No conditional logic, exceptions, or triggering mechanisms","Document is purely administrative/remedial in nature"],"plain_english_summary":"This document **cancels an old aviation safety rule** dating back to 1967 that required owners of specific Beechcraft aircraft (Debonair and Bonanza models) to install insulating sleeves around their tachometer flexdrive cables (the mechanical cable that transmits engine speed readings to the cockpit gauge).\n\n**Key points:**\n*   **Who this affects:** Owners and operators of Beechcraft 33 and 35-33 series aeroplanes.\n*   **What changed:** As of 17 January 2008, you no longer need to comply with this specific maintenance requirement.\n*   **Why:** The Civil Aviation Safety Authority (CASA) determined that the unsafe electrical interference condition that originally prompted this rule no longer exists, making the requirement obsolete."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled","history":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled/history","analysis":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled/analysis","conflicts":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled/conflicts","importantCases":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled/important-cases","documents":"/api/acts/ad-beech-33-3-insulation-of-tachometer-flexdrive-cancelled/documents"}}