{"id":"F2006B05055","name":"AD/CESSNA 180/42 - Pre-Certification Requirements","slug":"ad-cessna-180-42-pre-certification-requirements","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":44965,"registerId":"commonwealth-F2006B05055-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 180/42 - Pre-Certification Requirements","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)  Cessna 180, 182 and Wren 460 Series Aeroplanes\n\n \n\nAD/CESSNA 180/42 Pre-Certification Requirements 9/75\n\nApplicability: All model 180J.\n\n \n\nRequirement: Modify the aircraft in accordance with the requirements of ANO 101.22 in respect of the following:\n\n \n\n(a)      Install fuelling equipment bonding points at each fuel filling point.\n\n \n\n(b)     Identify the external earthing points on the main undercarriage assembly.\n\n \n\nInspect and replace as necessary all flexible hose assemblies carrying flammable fluids in the engine compartment with hose assemblies meeting the fire resistance standards of FAA TSO C53B Type C or D or render them fire resistant to that standard by fitting an approved fire sleeve.\n\n \n\nCompliance: Before 30 September 1975.\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\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1595},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This directive maintains its original narrow scope, targeting only specific fire-safety hardware modifications for the Cessna 180J model without expansion into broader operational or maintenance requirements."},"complexity_factors":["Single aircraft model applicability (Cessna 180J only)","Three discrete physical modification tasks with no conditional logic or exceptions","Single hard compliance deadline with no phased implementation","Reference to external technical standard (FAA TSO C53B) without internal definition or cross-referencing complexity"],"plain_english_summary":"**What this is:** An Airworthiness Directive (safety rule) requiring specific fire-safety modifications to Cessna 180J aircraft.\n\n**Who it affects:** Owners and operators of all Cessna model 180J aeroplanes.\n\n**What it requires:**\n1. **Install grounding points** at every fuel filling location to prevent static electricity sparks during refuelling (called \"bonding points\")\n2. **Clearly mark** the external grounding/earthing points on the main landing gear\n3. **Inspect and replace** all flexible fuel and fluid hoses in the engine compartment with fire-resistant versions meeting specific safety standards (FAA TSO C53B Type C or D), or cover existing hoses with approved fire-resistant sleeves\n\n**Why it matters:** These modifications prevent fires and explosions—both during refuelling (by controlling static electricity) and in the engine compartment (by ensuring hoses can withstand fire).\n\n**Compliance deadline:** These changes had to be completed before 30 September 1975."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-180-42-pre-certification-requirements","history":"/api/acts/ad-cessna-180-42-pre-certification-requirements/history","analysis":"/api/acts/ad-cessna-180-42-pre-certification-requirements/analysis","conflicts":"/api/acts/ad-cessna-180-42-pre-certification-requirements/conflicts","importantCases":"/api/acts/ad-cessna-180-42-pre-certification-requirements/important-cases","documents":"/api/acts/ad-cessna-180-42-pre-certification-requirements/documents"}}