{"id":"F2006B10030","name":"AD/G1159/28 - Control Column Wheel Attaching Shaft - Inspection","slug":"ad-g1159-28-control-column-wheel-attaching-shaft-inspection","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55430,"registerId":"commonwealth-F2006B10030-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/G1159/28 - Control Column Wheel Attaching Shaft - Inspection","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)  Gulfstream (Grumman) G1159 and G-IV Series Aeroplanes\n\n \n\nAD/G1159/28 Control Column Wheel Attaching Shaft - Inspection 7/80\n\nApplicability: All models G1159.\n\n \n\nDocument: Gulfstream American Customer Bulletin No. 295. Compliance: Within 100 hours time in service after 31 July 1980.\n\nBackground: A pilot’s control wheel separated from the control column of a G1159 during a landing approach in an overseas operation.\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\n \n\n \n\n \n\n \n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1941},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This airworthiness directive retains its original, narrow scope addressing a specific mechanical failure mode through a one-time inspection requirement. No expansion beyond the original safety intent is evident."},"complexity_factors":["Single mechanical component specified with no definitional provisions","Clear, unconditional applicability (all models of one aircraft type)","Simple, unambiguous compliance trigger (100 hours time in service)","No internal cross-references or nested exceptions","Single external reference to technical standard (Customer Bulletin No. 295)"],"plain_english_summary":"**What this does:** Requires a mandatory safety inspection of the control wheel attaching shaft on specific Gulfstream business jets to prevent the steering wheel detaching from the control column during flight.\n\n**Who it affects:** Owners and operators of all Gulfstream G1159 model aircraft (including G-IV series).\n\n**What must be done:** Inspect the control column wheel attaching shaft (the component connecting the pilot's yoke to the steering column) following the technical procedures in Gulfstream American Customer Bulletin No. 295.\n\n**Why it matters:** A pilot's control wheel physically separated from the control column during a landing approach in a serious overseas incident. This directive prevents potentially catastrophic loss of control.\n\n**Compliance deadline:** The inspection must be completed within 100 hours of flight time after 31 July 1980."}},"importantCases":[],"_links":{"self":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection","history":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection/history","analysis":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection/analysis","conflicts":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection/conflicts","importantCases":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection/important-cases","documents":"/api/acts/ad-g1159-28-control-column-wheel-attaching-shaft-inspection/documents"}}