{"id":"F2006B08033","name":"Airworthiness Directives 2004 - Revocation and Remaking - Stampe SV4 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115104,"registerId":"commonwealth-F2006B08033-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Stampe SV4 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 Stampe SV4 Series Aeroplanes\n\n AD Name AD Number\n\n Lower Mainplane Centre Section Tie Rods AD/SV4/1 Amdt 1\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The legislation maintains its original narrow scope. It addresses exactly one specific Airworthiness Directive for one specific aircraft series. The remake is explicitly 'in exactly the same form' as the original, confirming no expansion of regulatory requirements or coverage."},"complexity_factors":["Extremely short instrument (under 300 words)","Only 1 defined term implicitly used (Airworthiness Directive)","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Simple binary structure: revoke (a) and remake (b)","Single subject matter (one specific aircraft type, one specific AD)","No conditional logic, exceptions, or nested provisions","Procedural/administrative nature rather than substantive regulatory content"],"plain_english_summary":"**What this legislation does:**\n\nThis instrument is a formal decision by a CASA (Civil Aviation Safety Authority) delegate to **revoke and immediately remake** a specific airworthiness directive for Stampe SV4 series aeroplanes.\n\n**Who it affects:**\n\n- **Owners and operators** of Stampe SV4 aircraft (a vintage Belgian-designed biplane)\n- **Maintenance organisations** working on these aircraft\n- **Pilots** flying these aircraft\n\n**What is an Airworthiness Directive (AD)?**\n\nAn Airworthiness Directive is a mandatory safety notice issued by aviation regulators. It requires specific inspections, repairs, or modifications to aircraft to address unsafe conditions. Compliance is legally compulsory — you cannot fly the aircraft legally without following the AD.\n\n**What is actually happening here:**\n\nThe delegate is doing a **technical housekeeping exercise**:\n- **Revoking** the existing directive \"AD/SV4/1 Amdt 1\" (which deals with lower mainplane centre section tie rods — structural components in the wing)\n- **Remaking it** as a separate, standalone instrument in exactly the same form\n\n**Why this matters:**\n\nThis is part of a broader 2004 program to **restructure how Airworthiness Directives are made**. Previously, ADs were issued in bulk collections. This instrument converts the old AD into a standalone legislative instrument, making the regulatory framework clearer and easier to navigate. **The safety requirement itself hasn't changed** — the tie rod inspections or modifications remain exactly the same. Only the legal \"packaging\" has been updated.\n\n**Key takeaway:** If you own a Stampe SV4, nothing practical changes. You still need to comply with the same safety requirements for the lower mainplane centre section tie rods. The directive just now sits in a different legal format."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument explicitly states that each re-made Airworthiness Directive is in exactly the same form as the latest published edition. Therefore the instrument changes the legal form (revocation and re-issuance as separate attached instruments) but does not change the substantive requirements or scope of the listed Airworthiness Directive (see paragraphs (a), (b) and final note)."},"complexity_factors":["Procedural legal action (revocation and re-making) rather than substantive regulatory change","Cross-reference to a specific subregulation as the enabling authority (subregulation 39.001(1))","Attachment and Schedule mechanism: the instrument depends on attached AD text and a Schedule listing","Technical subject matter referenced (airworthiness of Stampe SV4 tie rods) which may require technical expertise to implement, though not expanded in this text","Potential administrative linkage to external regulatory publications/databases (requirement that re-made ADs match latest published edition)"],"plain_english_summary":"The CASA delegate has used subregulation 39.001(1) to revoke and re‑issue the listed Airworthiness Directive for Stampe SV4 lower mainplane centre section tie rods, re‑making it as a separate attached instrument in the same form as the latest published edition.  \n\nThis is an administrative re‑formatting: owners, operators and maintainers of affected Stampe SV4 aircraft remain subject to the same substantive requirements; no new compliance obligations are created."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-stampe-sv4-series-aeroplanes/documents"}}