{"id":"F2006B07555","name":"AD/VAT/22C - Nose Leg Strut - Modification","slug":"ad-vat-22c-nose-leg-strut-modification","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50149,"registerId":"commonwealth-F2006B07555-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/VAT/22C - Nose Leg Strut - Modification","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)  Victa and A.E.S.L. Airtourer Series Aeroplanes\n\n \n\nAD/VAT/22C Nose Leg Strut - Modification 5/66\n\nApplicability: Victa Airtourer 100 and 115 not incorporating Mod. B206. Document:  Victa SB No. 48, Issue 3.\n\nCompliance: Before 500 hours total 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\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":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The document sets a narrowly targeted mandatory modification for specific aircraft models and a fixed compliance time. The text contains no indication that the AD alters or expands scope beyond that stated (Applicability; Compliance; Document)."},"complexity_factors":["Narrow applicability: applies only to Victa Airtourer 100 and 115 not incorporating Mod. B206 (Applicability).","Single mandated action: one modification requirement (AD title).","Short, fixed compliance deadline: must be done before 500 hours total time in service (Compliance).","Technical detail delegated to an external document (Victa SB No. 48, Issue 3); AD lacks procedural detail, requiring consultation of the service bulletin (Document).","No cost, performance time, or authorised work-provider details in the AD, which shifts practical implementation complexity to operators and maintainers (Document; Compliance)."],"plain_english_summary":"If you operate a Victa Airtourer 100 or 115 that has not had Modification B206, this AD mandates modifying the nose leg strut per Victa Service Bulletin No. 48, Issue 3. The work must be completed before the aeroplane reaches 500 hours total time in service; the AD sets the requirement and deadline, while the Bulletin contains the technical steps."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-issue airworthiness directive focused specifically on nose leg strut modifications for a particular aircraft series. It has not expanded beyond its original technical safety purpose."},"complexity_factors":["Extremely short document (under 200 words)","Only 4 defined elements: aircraft model applicability, specific modification exclusion, reference document, and compliance deadline","No cross-references to other legislation or regulations beyond the parent Civil Aviation Regulations 1998","Single, unambiguous compliance requirement (time-based threshold)","No conditional logic, exceptions, or nested provisions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA).\n\n**What it does:**\nIt requires owners and operators of specific light aircraft (Victa Airtourer 100 and 115 models) to modify the **nose landing gear strut** (the front wheel support) before the aircraft reaches 500 total flight hours.\n\n**Who it affects:**\n- Owners and operators of Victa Airtourer 100 and 115 aircraft\n- Specifically those that **haven't** already been modified with \"Mod. B206\" (a factory modification)\n\n**Why it matters:**\nAirworthiness Directives are legally binding safety requirements. If you don't comply, you can't legally fly the aircraft. This particular directive addresses a potential structural issue with the nose wheel assembly that could affect flight safety.\n\n**How to comply:**\nFollow the instructions in **Victa Service Bulletin No. 48, Issue 3** — a technical document from the aircraft manufacturer detailing exactly what modification needs to be made."}},"importantCases":[],"_links":{"self":"/api/acts/ad-vat-22c-nose-leg-strut-modification","history":"/api/acts/ad-vat-22c-nose-leg-strut-modification/history","analysis":"/api/acts/ad-vat-22c-nose-leg-strut-modification/analysis","conflicts":"/api/acts/ad-vat-22c-nose-leg-strut-modification/conflicts","importantCases":"/api/acts/ad-vat-22c-nose-leg-strut-modification/important-cases","documents":"/api/acts/ad-vat-22c-nose-leg-strut-modification/documents"}}