{"id":"F2009L03786","name":"AD/BELL 212/28 Amdt 2 - Vertical Fin Forward Spar - CANCELLED","slug":"ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":141670,"registerId":"commonwealth-F2009L03786-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron 212 Series Helic","sectionType":"division","heading":"Bell Helicopter Textron 212 Series Helicopters","content":"### Bell Helicopter Textron 212 Series Helicopters\n\n| AD/BELL 212/28 Amdt 2 | Vertical Fin Forward Spar | 12/2009 |\n| --------------------- | ------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                                                          |\n| ------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 19 November 2009.                                                                                                                                                                                                                                                                           |\n| Background:  | This unique Australian AD specified action in accordance with Bell Tech Bulletin 212-81-50 and Alert SB 212-86-38. The vertical fin forward spar required inspection at intervals not exceeding 120 hours time in service until installation of a doubler or replacement of spar cap. The AD is no longer required. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n28 September 2009","sortOrder":0},{"sectionNumber":"AD/BELL 212/28 Amdt 2","sectionType":"part","heading":"AD/BELL 212/28 Amdt 2","content":"## AD/BELL 212/28 Amdt 2","sortOrder":1},{"sectionNumber":"Vertical Fin Forward Spar","sectionType":"part","heading":"Vertical Fin Forward Spar","content":"## Vertical Fin Forward Spar","sortOrder":2},{"sectionNumber":"12/2009","sectionType":"part","heading":"12/2009","content":"## 12/2009","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":"The instrument performs exactly as intended: it cancels a previous Airworthiness Directive. The scope remains limited to the revocation of the specified maintenance requirement for Bell 212 helicopters, with no expansion beyond this purpose."},"complexity_factors":["Single operative provision (cancellation only)","No defined terms requiring interpretation","No conditional logic or exceptions","No cross-references to primary legislation","Extremely brief (one substantive operative sentence)"],"plain_english_summary":"**What this does:** This document officially cancels (revokes) a previous aviation safety rule that applied to Bell 212 helicopters.\n\n**Who it affects:** Owners and operators of Bell 212 series helicopters.\n\n**What it changes:** Previously, helicopter operators had to inspect the **vertical fin forward spar** (a structural support beam in the tail section) every 120 hours of flight time until a specific repair part (a doubler) was installed or the spar cap was replaced. This cancellation removes that inspection requirement entirely as of 19 November 2009.\n\n**Why it matters:** The safety inspection is no longer deemed necessary, removing a maintenance burden and operating cost for operators of these aircraft."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled","history":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled/history","analysis":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled/analysis","conflicts":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled/conflicts","importantCases":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled/important-cases","documents":"/api/acts/ad-bell-212-28-amdt-2-vertical-fin-forward-spar-cancelled/documents"}}