{"id":"F2006B02161","name":"AD/AC-100/1 - General Modifications","slug":"ad-ac-100-1-general-modifications","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":41391,"registerId":"commonwealth-F2006B02161-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/AC-100/1 - General Modifications","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: CASA Airworthiness Directive\nmeta-generator: Aspose.Words for .NET 22.10.0\nmeta-keywords: Issue 8/1968,Aircraft below 5700 kg,S.L. Industries Commander 100 Series and Volair 10 Series Aeroplanes,General Modifications,1\ntitle: Airworthiness Directive - AD/AC-100/1 - General Modifications\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)  S.L. Industries Commander 100 Series and Volair 10 Series Aeroplanes\n\n \n\nAD/AC-100/1 General Modifications 8/68\n\nApplicability: All models with S/Nos. 026 to 033. Document:  Aero Commander Model 100 SL Nos. 2 and 5. Compliance:               Forthwith.\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":1742},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The directive remains tightly scoped to a specific safety issue affecting a small cohort of aircraft (S/Nos. 026-033). There is no evidence of expansion beyond the original safety-critical intent."},"complexity_factors":["Extremely brief substantive text (under 75 words)","Zero defined terms or interpretive provisions","No nested conditions, exceptions, or cross-references to other legislative sections","Single, unconditional compliance trigger ('Forthwith')","Applicability restricted to a finite list of 8 specific aircraft serial numbers"],"plain_english_summary":"**What this is:** An Airworthiness Directive (AD) — a mandatory safety order issued by the Civil Aviation Safety Authority (CASA) under the Civil Aviation Regulations.\n\n**What it requires:** Owners and operators must modify specific aircraft **immediately** (the legal term used is \"forthwith,\" which means without delay).\n\n**Who is affected:** Only S.L. Industries Commander 100 and Volair 10 series aircraft with serial numbers 026, 027, 028, 029, 030, 031, 032, and 033.\n\n**What must be done:** The modifications are set out in two manufacturer documents: *Aero Commander Model 100 SL No. 2* and *SL No. 5* (likely service bulletins detailing engineering changes).\n\n**Why it matters:** ADs address unsafe conditions. Until these modifications are completed, the affected aircraft cannot legally fly."}},"importantCases":[],"_links":{"self":"/api/acts/ad-ac-100-1-general-modifications","history":"/api/acts/ad-ac-100-1-general-modifications/history","analysis":"/api/acts/ad-ac-100-1-general-modifications/analysis","conflicts":"/api/acts/ad-ac-100-1-general-modifications/conflicts","importantCases":"/api/acts/ad-ac-100-1-general-modifications/important-cases","documents":"/api/acts/ad-ac-100-1-general-modifications/documents"}}