{"id":"F2006B04014","name":"AD/BEECH 55/7 - Grounding Outside Air Temperature Indicator","slug":"ad-beech-55-7-grounding-outside-air-temperature-indicator","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43623,"registerId":"commonwealth-F2006B04014-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/7 - Grounding Outside Air Temperature Indicator","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 22.10.0\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nCOMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY\n\nSCHEDULE OF AIRWORTHINESS DIRECTIVES\n\n \n\n![](image.001.png)  Beechcraft 55, 58 and 95-55 (Baron) Series Aeroplanes\n\n \n\nAD/BEECH 55/7 Grounding Outside Air Temperature Indicator 11/67\n\nApplicability: Model 95-A55 with S/Nos. TC-955 to TC-1008 and model 95-C55 prior to S/No.\n\nTE-173.\n\n \n\nRequirement: Action in accordance with Beechcraft SB 66-26. Compliance: Before 1 September 1971.\n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1410},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This Airworthiness Directive maintains its original, narrow scope. It targets a specific technical defect in specific aircraft serial numbers and has not expanded beyond this original aviation safety purpose."},"complexity_factors":["Single, unambiguous requirement with no conditional logic","Limited applicability scope (specific aircraft models identified by serial number ranges)","No defined terms or interpretation section","No exceptions or nested provisions","Refers to external technical standard (Service Bulletin) rather than detailing procedural steps"],"plain_english_summary":"This is a safety order (**Airworthiness Directive**) requiring owners of specific Beechcraft Baron aircraft to disable their Outside Air Temperature (OAT) indicators.\n\n**Who it affects:**\n- Owners and operators of specific Beechcraft Baron models identified by factory serial numbers:\n  - **Model 95-A55**: Serial numbers TC-955 through TC-1008\n  - **Model 95-C55**: All serial numbers prior to TE-173\n\n**What you must do:**\n- Follow the technical instructions in **Beechcraft Service Bulletin 66-26** to ground (disable) the Outside Air Temperature indicator\n- Complete this work before **1 September 1971**\n\n**Why it matters:**\nThis directive addresses a safety defect in the temperature indicating system. Inaccurate outside air temperature readings can affect critical flight calculations, including engine performance and fuel consumption, potentially creating safety risks during flight operations."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator","history":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator/history","analysis":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator/analysis","conflicts":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator/conflicts","importantCases":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator/important-cases","documents":"/api/acts/ad-beech-55-7-grounding-outside-air-temperature-indicator/documents"}}