{"id":"F2006B07927","name":"Airworthiness Directives 2004 - Revocation and Remaking - Monnett Sonerai Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50976,"registerId":"commonwealth-F2006B07927-current","compilationNumber":null,"startDate":"2026-04-02","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Monnett Sonerai Series Aeroplanes","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-generator: Aspose.Words for .NET 20.2\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\n Airworthiness Directives 2004\n\n I, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\n Authority, acting under subregulation 39.001 (1) of the Civil\n\n Aviation Safety Regulations 1998:\n\n (a) revoke the Airworthiness Directives mentioned in\n\n Schedule 1; and\n\n (b) make, as separate instruments, each Airworthiness\n\n Directive mentioned in Schedule 1 and attached.\n\n \n\n ![](image.001.png)\n\n David Villiers\n\n Delegate of the Civil Aviation Safety Authority\n\n \n\n  20 December 2004\n\n Note:   Each attached Airworthiness Directive is being re-made in exactly the\n\n same form as appears in the latest published edition of the Directive.\n\n \n\n\n Schedule 1 Revocation and Remaking of\n\n Airworthiness Directives\n\n Monnett Sonerai Series Aeroplanes\n\n AD Name AD Number\n\n Flight Restriction and Limitations - Placard and Modification AD/SONERAI/1 Amdt 1\n\n \n","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive scope or wording of the listed Airworthiness Directive(s). It revokes the listed AD(s) and re‑issues them as separate instruments in exactly the same form as the latest published edition (see actions (a) and (b) and the Note). The practical legal obligations on operators therefore remain the same according to the instrument's text; the change is in legal form and record location rather than in substance."},"complexity_factors":["Instrument effects are procedural (revocation and re‑making) rather than substantive, reducing substantive legal complexity.","References an enabling provision (subregulation 39.001(1)), requiring basic statutory authority checking.","Relies on attached Airworthiness Directive(s) for substantive obligations, so understanding full obligations requires consulting those attachments.","Potential administrative complexity in recordkeeping, publication and ensuring notice of re‑made instruments to affected operators.","Minimal interpretive ambiguity in the text because the Note states the re‑made ADs are identical to the latest published edition."],"plain_english_summary":"The delegate of CASA revokes the listed Airworthiness Directive(s) for Monnett Sonerai series aeroplanes and re‑issues each as separate legal instruments under subregulation 39.001(1). Owners, operators and maintainers of those Sonerai aircraft — and CASA as regulator — are affected.\n\nSubstantively the re‑made ADs are said to be identical to the latest published editions, so obligations unchanged; the change is administrative, shifting legal form and creating modest recordkeeping/notice risks and costs."},"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains identical scope to the original 2004 revocation/remaking exercise. It is purely administrative — reissuing existing safety requirements under new regulatory authority without expanding, contracting, or altering the substantive obligations."},"complexity_factors":["Extremely short instrument — approximately 200 words","Only one substantive operative provision (revocation and remaking of a single directive)","No defined terms section — relies entirely on external references (the attached AD and the Civil Aviation Safety Regulations 1998)","Simple binary structure: (a) revoke, (b) remake","Single cross-reference to subregulation 39.001(1) of the CASR 1998 (standard empowering provision)","No conditional logic, exceptions, or nested provisions","Schedule contains only one entry in a simple table format"],"plain_english_summary":"This is a technical aviation safety instrument issued by the Civil Aviation Safety Authority (CASA) in December 2004. It does two things:\n\n**What it does:**\n- **Revokes** (cancels) an existing Airworthiness Directive — specifically **AD/SONERAI/1 Amdt 1** — that applied to Monnett Sonerai series aeroplanes (a type of homebuilt, single-seat aircraft)\n- **Remakes** that same directive as a fresh, standalone legal instrument\n\n**Who it affects:**\n- Owners and operators of Monnett Sonerai aircraft\n- Maintenance engineers who work on these planes\n- Anyone responsible for ensuring these aircraft remain legally airworthy\n\n**Why it matters:**\nAirworthiness Directives are **legally binding safety orders**. They typically require specific inspections, modifications, or operational restrictions to address known safety defects. This particular directive imposed **flight restrictions and limitations** — requiring a placard (warning sign) in the cockpit and a specific modification.\n\nThe \"revoke and remake\" process is a housekeeping exercise. CASA is refreshing the legal status of older directives to ensure they sit properly under the then-new Civil Aviation Safety Regulations 1998 framework, without actually changing the safety requirements themselves. The note confirms: the content stays exactly the same, only the legal \"wrapper\" is updated.\n\n**In short:** If you own a Sonerai, you still need that placard and modification. Nothing practical changes — CASA is just reissuing the paperwork."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-monnett-sonerai-series-aeroplanes/documents"}}