{"id":"F2009L04592","name":"AD/THIELERT/11 Amdt 3 - Propeller Control Valve - CANCELLED","slug":"ad-thielert-11-amdt-3-propeller-control-valve-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":82449,"registerId":"commonwealth-F2009L04592-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Thielert Piston Engines","sectionType":"division","heading":"Thielert Piston Engines","content":"### Thielert Piston Engines\n\n| AD/THIELERT/11 Amdt 3 | Propeller Control Valve | 25/2009 |\n| --------------------- | ----------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                              |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 15 December 2009.                                                                                                                                                                                                                                                               |\n| Background:  | A State of Design airworthiness directive issued on or after 1 October 2009 is defined as an airworthiness directive per CASR Part 39.001A. The requirements of this airworthiness directive which referred to EASA AD 2009-0193 have been superseded by EASA AD 2009-0193R1 issued on 1 December 2009. |\n\n![](image.001.png)\n\nWilliam David  \nDelegate of the Civil Aviation Safety Authority\n\n08 December 2009","sortOrder":0},{"sectionNumber":"AD/THIELERT/11 Amdt 3","sectionType":"part","heading":"AD/THIELERT/11 Amdt 3","content":"## AD/THIELERT/11 Amdt 3","sortOrder":1},{"sectionNumber":"Propeller Control Valve","sectionType":"part","heading":"Propeller Control Valve","content":"## Propeller Control Valve","sortOrder":2},{"sectionNumber":"25/2009","sectionType":"part","heading":"25/2009","content":"## 25/2009","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1060},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument does not expand the scope but rather terminates it entirely. The directive is cancelled completely rather than being modified or expanded beyond its original purpose."},"complexity_factors":["Very brief document (under 100 words of substantive content)","Single operative provision (cancellation)","No defined terms or interpretation section","Only one cross-reference (to CASR Part 39.001A and superseding EASA directive)","No conditional logic or exceptions"],"plain_english_summary":"**What this does:** This document officially cancels a previous aviation safety rule (Airworthiness Directive AD/THIELERT/11 Amendment 3) that applied to certain aircraft engines.\n\n**Who it affects:** Owners and operators of aircraft with Thielert piston engines that were previously subject to this directive regarding propeller control valves.\n\n**What changed:**\n*   **Effective 15 December 2009**, the Australian requirements in this specific directive are no longer in force.\n*   The cancellation happens because the European Aviation Safety Agency (EASA) issued a revised safety directive (EASA AD 2009-0193R1) on 1 December 2009 that supersedes the old requirements.\n*   Under CASR Part 39.001A, these newer European directives automatically have effect as Australian airworthiness directives, making the old Australian-specific rule redundant."}},"importantCases":[],"_links":{"self":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled","history":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled/history","analysis":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled/analysis","conflicts":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled/conflicts","importantCases":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled/important-cases","documents":"/api/acts/ad-thielert-11-amdt-3-propeller-control-valve-cancelled/documents"}}