{"id":"F2007L04543","name":"AD/BEECH 23/12 - Attachment of ADF Noise Suppressor Capacitor - CANCELLED","slug":"ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":71051,"registerId":"commonwealth-F2007L04543-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Beechcraft 19, 23 and 24 Series Aeroplan","sectionType":"division","heading":"Beechcraft 19, 23 and 24 Series Aeroplanes","content":"### Beechcraft 19, 23 and 24 Series Aeroplanes\n\n| AD/BEECH 23/12 | Attachment of ADF NoiseSuppressor Capacitor | 13/2007 |\n| -------------- | ------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                          |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 20 December 2007.                                                                                                           |\n| Background:  | This AD was issued in 1967 to modify the attachment of the ADF noise suppressor capacitor before September 1971. The AD is now considered obsolete. |\n\n![](image.001.png)\n\nDavid Punshon  \nDelegate of the Civil Aviation Safety Authority\n\n5 November 2007","sortOrder":0},{"sectionNumber":"AD/BEECH 23/12","sectionType":"part","heading":"AD/BEECH 23/12","content":"## AD/BEECH 23/12","sortOrder":1},{"sectionNumber":"Attachment of ADF NoiseSuppressor Capaci","sectionType":"part","heading":"Attachment of ADF NoiseSuppressor Capacitor","content":"## Attachment of ADF Noise  \nSuppressor Capacitor","sortOrder":2},{"sectionNumber":"13/2007","sectionType":"part","heading":"13/2007","content":"## 13/2007","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1788},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs a straightforward cancellation of an obsolete directive without expanding regulatory scope or adding new substantive requirements."},"complexity_factors":["Single operative provision consisting of one sentence","No defined terms or interpretation section","No conditional logic, exceptions, or nested provisions","Self-contained cancellation requiring no cross-references to other legislation"],"plain_english_summary":"**What this is:** This document officially cancels an old aircraft safety rule (called an Airworthiness Directive or AD) that applied to specific Beechcraft aeroplanes.\n\n**What it does:** It scraps a 1967 requirement that owners of Beechcraft 19, 23, and 24 series aircraft had to modify the mounting of a radio noise filter (called an ADF noise suppressor capacitor) by September 1971.\n\n**Who it affects:** Owners and operators of these specific Beechcraft aircraft models, though the cancellation removes an old obligation rather than imposing a new one.\n\n**Why it matters:** The original safety deadline passed nearly 40 years ago, and the equipment in question is now obsolete. This cleanup removes an unnecessary regulatory burden from aircraft maintenance records."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled","history":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled/history","analysis":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled/analysis","conflicts":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled/conflicts","importantCases":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled/important-cases","documents":"/api/acts/ad-beech-23-12-attachment-of-adf-noise-suppressor-capacitor-cancelled/documents"}}