{"id":"F2006B10193","name":"AD/GAF-N22/46 Amdt 1 - Control Wheel Assembly - Inspection and Replacement","slug":"ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":55851,"registerId":"commonwealth-F2006B10193-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"AD/GAF-N22/46 Amdt 1 - Control Wheel Assembly - Inspection and Replacement","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)  GAF N22 and N24 Series Aeroplanes\n\n \n\nAD/GAF-N22/46\n\nAmdt 1\n\n\nControl Wheel Assembly - Inspection and Replacement\n\n\n2/83\n\n \n\nApplicability: All Nomad N22 and N24 series aircraft. Document: GAF Nomad Alert SB ANMD-27-27 Revision 1.\n\nCompliance: For Part A of the SB: As per requirement document.\n\n \n\nFor Part B: Within 300 hours time in service after 28 February, 1983, but not later than 1 April 1983.\n\n \n\nBackground:  Instances have been reported in which partial failure of the control wheel assembly has occurred.\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":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a narrow, technical airworthiness directive addressing a specific safety defect in a specific aircraft type. It has not expanded beyond its original purpose of mandating inspection/replacement of control wheel assemblies."},"complexity_factors":["Single, specific mechanical component addressed (control wheel assembly)","Only two compliance paths (Part A and Part B) with clear deadlines","No defined terms section or interpretation provisions","No cross-references to other legislation beyond the parent Civil Aviation Regulations 1998","Straightforward applicability (all N22/N24 series aircraft)","Document is essentially a formatted safety notice rather than legislative text with operative provisions"],"plain_english_summary":"This is an **Airworthiness Directive (AD)** — essentially a mandatory safety order issued by Australia's Civil Aviation Safety Authority (CASA) for specific aircraft.\n\n**What it does:**\n- Requires owners and operators of **GAF Nomad N22 and N24 series aircraft** to inspect and potentially replace the **control wheel assembly** (the steering wheel-like device pilots use to fly the plane).\n\n**Why it matters:**\n- There had been reports of **partial failures** in these control wheel assemblies — a serious safety risk since pilots need these to control the aircraft.\n\n**Who must comply:**\n- Anyone operating these specific Australian-made twin-turboprop aircraft (the Nomad was used for regional transport, surveillance, and military purposes).\n\n**What must be done:**\n- **Part A:** Follow the inspection requirements in the manufacturer's service bulletin (SB ANMD-27-27 Rev 1).\n- **Part B:** Complete specific work within **300 flight hours after 28 February 1983**, but **no later than 1 April 1983** — whichever comes first.\n\n**In short:** If you owned one of these planes in 1983, CASA forced you to check and fix the control wheels by a strict deadline to prevent accidents."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This instrument is labelled \"Amdt 1\" indicating it amends an earlier directive. The amendment prescribes compliance by reference to GAF Nomad Alert SB ANMD-27-27 Revision 1 and sets explicit timing for Part B (within 300 hours after 28 February 1983 but not later than 1 April 1983) (Document; Compliance). Compared with a prior version (not printed here), the current text therefore changes scope or procedure by incorporating the SB Revision 1 and by adding a specific, time‑bound compliance requirement for Part B."},"complexity_factors":["Narrow applicability limited to Nomad N22 and N24 series (Applicability) reduces complexity.","Requirements refer to an external technical document (GAF Nomad Alert SB ANMD-27-27 Revision 1), so readers must consult that SB for procedural details (Document).","Compliance split into Part A (as per SB) and Part B (explicit deadline: within 300 hours after 28 Feb 1983 but not later than 1 Apr 1983), introducing a short, time‑bound action (Compliance).","The AD is an amendment (Amdt 1), implying change from a prior instrument and requiring attention to versioning and history (header).","Operational dependencies (availability of parts, technicians, scheduling) affect practical implementation though not detailed in the text (implicit from Compliance and Document)."],"plain_english_summary":"This instrument mandates inspection—and, where the GAF Nomad Alert Service Bulletin ANMD-27-27 Rev 1 requires it, replacement—of the control wheel assembly on Nomad N22 and N24 aircraft to address reported partial failures. \n\nIt binds owners/operators to schedule and pay for the work, and requires maintenance organisations to perform it per the SB within the regulator’s specified compliance window, creating short-term downtime and parts/labour demand."}},"importantCases":[],"_links":{"self":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement","history":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement/history","analysis":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement/analysis","conflicts":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement/conflicts","importantCases":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement/important-cases","documents":"/api/acts/ad-gaf-n22-46-amdt-1-control-wheel-assembly-inspection-and-replacement/documents"}}