{"id":"F2006B04000","name":"AD/BEECH 55/56 - Hatshelf Soundproofing Blanket","slug":"ad-beech-55-56-hatshelf-soundproofing-blanket","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":43609,"registerId":"commonwealth-F2006B04000-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/BEECH 55/56 - Hatshelf Soundproofing Blanket","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 55/56 Hatshelf Soundproofing Blanket 1/79\n\nApplicability: All models 95-55, 95-A55, 95-B55 and 95-B55A with S/Nos. TC-1 to TC-349, TC- 351 to TC-1392, TC-1397 to TC-1401, TC-1403 to TC-1425.\n\n \n\nRequirement: Action in accordance with Beechcraft SI No. 0694-311, Rev. 1. Compliance:  At intervals not exceeding 100 hours’ time in service.\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":2122},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive remains narrowly focused on its original purpose: ensuring the safety of hatshelf soundproofing blankets in specific Beechcraft aircraft models. There is no evidence of scope creep or expansion beyond the initial safety concern."},"complexity_factors":["Extremely short instrument (approximately 100 words of substantive content)","Single requirement cross-referencing an external technical standard without reproducing it","No defined terms, exceptions, or conditional provisions","Applicability determined by simple aircraft model and serial number check"],"plain_english_summary":"**What this is:** A mandatory safety notice (Airworthiness Directive) issued by the Civil Aviation Safety Authority requiring specific maintenance action on certain aircraft.\n\n**What it requires:** Owners or operators must inspect or service the **soundproofing blanket** located on the hatshelf (the shelf behind the rear passenger seats) following the manufacturer's instructions in Beechcraft Service Instruction No. 0694-311, Revision 1.\n\n**Who it affects:** Owners of specific Beechcraft Baron aircraft models (95-55, 95-A55, 95-B55, and 95-B55A) with serial numbers ranging from TC-1 to TC-349, TC-351 to TC-1392, TC-1397 to TC-1401, and TC-1403 to TC-1425.\n\n**When to do it:** Every 100 hours of flight time (called \"time in service\").\n\n**Why it matters:** These directives are legally enforceable safety standards. An aircraft cannot legally fly if it is not compliant with applicable Airworthiness Directives."}},"importantCases":[],"_links":{"self":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket","history":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket/history","analysis":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket/analysis","conflicts":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket/conflicts","importantCases":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket/important-cases","documents":"/api/acts/ad-beech-55-56-hatshelf-soundproofing-blanket/documents"}}