{"id":"F2009L03923","name":"AD/BELL 412/26 - Bogus Pressure Gauge Emergency Floats P/N 212-073-905-1 - CANCELLED","slug":"ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":81308,"registerId":"commonwealth-F2009L03923-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Bell Helicopter Textron 412 Series Helic","sectionType":"division","heading":"Bell Helicopter Textron 412 Series Helicopters","content":"### Bell Helicopter Textron 412 Series Helicopters\n\n| AD/BELL 412/26 | Bogus Pressure Gauge EmergencyFloats P/N 212-073-905-1 | 12/2009 |\n| -------------- | ------------------------------------------------------ | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                                                                                                                  |\n| ------------ | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 19 November 2009.                                                                                                                                                                                                                                   |\n| Background:  | This unique Australian AD specified once-only action in accordance withOSN-GEN-89-14 to address the risk of bogus pressure gauges on emergency floats. Compliance was required at the next inspection for issue of an MR after February 1990. The AD is no longer required. |\n\n![](image.001.png)\n\nJames Coyne  \nDelegate of the Civil Aviation Safety Authority\n\n30 September 2009","sortOrder":0},{"sectionNumber":"AD/BELL 412/26","sectionType":"part","heading":"AD/BELL 412/26","content":"## AD/BELL 412/26","sortOrder":1},{"sectionNumber":"Bogus Pressure Gauge EmergencyFloats P/N","sectionType":"part","heading":"Bogus Pressure Gauge EmergencyFloats P/N 212-073-905-1","content":"## Bogus Pressure Gauge Emergency  \nFloats P/N 212-073-905-1","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":1323},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument performs exactly its stated function: cancelling Airworthiness Directive AD/BELL 412/26. It does not expand beyond the purpose of revoking the previous emergency float inspection requirement."},"complexity_factors":["Single sentence operative provision (cancellation)","No defined terms or interpretation sections","No conditional logic, cross-references, or exceptions","Document consists primarily of background explanation rather than active legal obligations"],"plain_english_summary":"**What this document does**\nThis officially cancels a previous aviation safety rule (Airworthiness Directive) that required owners of Bell 412 helicopters to check for counterfeit pressure gauges on emergency flotation equipment.\n\n**Who it affects**\nOperators and maintenance crews of Bell Helicopter Textron 412 series helicopters.\n\n**What it means**\nAs of 19 November 2009, you no longer need to perform the specific inspection mandated by the original 1990 directive regarding part number 212-073-905-1. The Civil Aviation Safety Authority has determined this safety requirement is no longer necessary.\n\n**Why it matters**\nThis removes a compliance burden from helicopter operators. The original rule was put in place in 1990 to address risks of faulty emergency floats, but the requirement has now been withdrawn."}},"importantCases":[],"_links":{"self":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled","history":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled/history","analysis":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled/analysis","conflicts":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled/conflicts","importantCases":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled/important-cases","documents":"/api/acts/ad-bell-412-26-bogus-pressure-gauge-emergency-floats-p-n-212-073-905-1-cancelled/documents"}}