{"id":"F2006B07937","name":"Airworthiness Directives 2004 - Revocation and Remaking - Pacific Aerospace Corporation Cresco Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50999,"registerId":"commonwealth-F2006B07937-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 - Pacific Aerospace Corporation Cresco Series Aeroplanes","content":"Airworthiness Directives 2004\n\nI, DAVID ALAN VILLIERS, delegate of the Civil Aviation Safety\n\nAuthority, acting under subregulation 39.001 (1) of the Civil\n\nAviation Safety Regulations 1998:\n\n(a) revoke the Airworthiness Directives mentioned in\n\nSchedule 1; and\n\n(b) make, as separate instruments, each Airworthiness\n\nDirective mentioned in Schedule 1 and attached.\n\n![](image.001.png)\n\nDavid Villiers\n\nDelegate of the Civil Aviation Safety Authority\n\n20 December 2004\n\nNote: Each attached Airworthiness Directive is being re-made in exactly the\n\nsame form as appears in the latest published edition of the Directive.\n\n  \nSchedule 1 Revocation and Remaking of\n\nAirworthiness Directives\n\nPacific Aerospace Corporation Cresco Series Aeroplanes\n\nAD Name AD Number\n\nNose Landing Gear Cylinder Assembly AD/CRESCO/1\n\nWing Spar Web AD/CRESCO/2\n\nElevator Tip Rib AD/CRESCO/3\n\nRudder Top Hinge AD/CRESCO/4 Amdt 1\n\nAileron Control Cables AD/CRESCO/5\n\nFin Forward Attachment Fitting AD/CRESCO/6\n\nEngine Mount Structure AD/CRESCO/7\n\nHorizontal Stabiliser Main Spar Top Cap AD/CRESCO/8","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains exactly the same scope as the original directives. The note explicitly states each directive is being 're-made in exactly the same form as appears in the latest published edition.' There is no expansion of scope, no new aircraft types added, and no additional safety requirements introduced."},"complexity_factors":["Very short instrument (approximately 250 words)","Only 1 defined term implicitly used ('Airworthiness Directive'—industry standard term)","Simple binary structure: revoke (a) and remake (b)","No conditional logic or exceptions","No cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Schedule 1 is a simple table with 8 rows and 2 columns","No substantive legal drafting—relies entirely on attached technical documents"],"plain_english_summary":"This is a technical aviation safety instrument that **revokes and immediately remakes eight existing safety rules** for a specific type of aircraft—the Pacific Aerospace Corporation Cresco series.\n\n**What it does:**\n- **Revokes** (cancels) eight existing Airworthiness Directives (ADs) for Cresco aeroplanes\n- **Remakes** those same eight directives as brand new, separate legal instruments\n- Keeps the content of each directive **exactly the same** as before—no technical changes\n\n**Who it affects:**\n- Owners and operators of Pacific Aerospace Corporation Cresco series aircraft (these are small, single-engine utility aircraft mainly used for agricultural spraying and skydiving in Australia and New Zealand)\n- Aircraft maintenance engineers who work on these planes\n- The Civil Aviation Safety Authority (CASA), which enforces these rules\n\n**Why it matters:**\nAirworthiness Directives are **legally binding safety orders** that require aircraft owners to inspect, repair, or modify their planes to fix unsafe conditions. This instrument is essentially a **legal housekeeping exercise**—it refreshes the legal status of these eight safety rules without changing their technical requirements. This ensures the directives remain valid and enforceable under current aviation law.\n\n**The eight safety issues covered:**\n- Nose landing gear cylinder assembly\n- Wing spar web (structural component of the wing)\n- Elevator tip rib (part of the tail control surface)\n- Rudder top hinge\n- Aileron control cables (controls for rolling the aircraft)\n- Fin forward attachment fitting (tail structure)\n- Engine mount structure\n- Horizontal stabiliser main spar top cap (tail wing structure)\n\nEach addresses a specific mechanical or structural concern that could affect flight safety if not properly maintained."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"No substantive change to scope or obligations. The instrument administratively revokes and reissues the same ADs listed in Schedule 1 as separate instruments, leaving the existing mandatory requirements intact (Schedule 1; Note; subreg 39.001(1))."},"complexity_factors":["Procedural, not substantive: instrument simply revokes and remakes listed ADs unchanged (see instrument text and Note).","Limited scope: applies only to the eight ADs listed in Schedule 1 (Schedule 1).","Clear statutory authority: action taken under subregulation 39.001(1), so legal power is explicit.","Dependence on external documents: the operative requirements and compliance burdens are contained in the attached ADs/latest published editions rather than in this instrument (Note).","Low administrative discretion: delegate acts to reissue existing directives in identical form, limiting discretionary change."],"plain_english_summary":"This instrument revokes a set of existing Airworthiness Directives (ADs) for Pacific Aerospace Corporation Cresco series aeroplanes and re‑issues each AD as a separate instrument in the same form as the latest published editions (authority: subreg 39.001(1)). It affects aircraft owners, operators and maintenance organisations because the listed ADs remain the source of mandatory airworthiness and maintenance actions; compliance costs and operational effects remain with those parties."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-pacific-aerospace-corporation-cresco-series-ae/documents"}}