{"id":"F2006B05151","name":"AD/CESSNA 188/16 Amdt 1 - Fuselage Lower Longerons","slug":"ad-cessna-188-16-amdt-1-fuselage-lower-longerons","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":45244,"registerId":"commonwealth-F2006B05151-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/CESSNA 188/16 Amdt 1 - Fuselage Lower Longerons","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 188 (Agwagon) Series Aeroplanes\n\n \n\nAD/CESSNA 188/16\n\nAmdt 1\n\n\nFuselage Lower Longerons 11/86\n\n \n\nApplicability: All models A188 excluding those with an aircraft serial number with a “T” suffix and those which have been modified in accordance with a scheme approved by the Secretary.\n\n \n\nRequirement: Inspect the fuselage lower longerons for cracks in the vicinity of the main landing gear supports.\n\n \n\nCompliance: Within 100 hours time in service for all aeroplanes with more than 1500 hours total time in service and thereafter at intervals not exceeding 500 hours time in service, after 1 September 1971.\n\n \n\nBackground: This amendment distinguishes between the configuration differences of the “Agwagon” and the “Agtruck” aircraft.\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\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1042},"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":true,"description":"This Amendment 1 narrowed the scope from the original directive by explicitly distinguishing between the 'Agwagon' and 'Agtruck' configurations of the Cessna 188 series. The background note indicates the amendment was necessary to clarify which specific aircraft models are subject to the inspection requirements, effectively excluding the 'Agtruck' variant that was previously potentially captured by the broader original directive."},"complexity_factors":["Technical aviation terminology ('longerons', 'time in service') without plain English definitions","Multiple exclusion criteria (serial number suffixes and approved modifications)","Layered compliance triggers (initial 100-hour threshold only applies to aircraft exceeding 1500 hours total time)","Amendment structure requiring reference to background notes to understand scope change from original directive"],"plain_english_summary":"This directive requires owners/operators of Cessna A188 \"Agwagon\" agricultural aircraft to inspect the fuselage lower longerons near the main-gear attachments for cracks to prevent landing-gear or fuselage failure. It excludes aircraft with serial numbers ending in \"T\" and those already modified under an approved scheme. If an aircraft has over 1,500 hours, inspect within 100 flight hours and repeat every 500 hours thereafter; rules have applied since 1 September 1971."}},"importantCases":[],"_links":{"self":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons","history":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons/history","analysis":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons/analysis","conflicts":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons/conflicts","importantCases":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons/important-cases","documents":"/api/acts/ad-cessna-188-16-amdt-1-fuselage-lower-longerons/documents"}}