{"id":"F2006B08008","name":"Airworthiness Directives 2004 - Revocation and Remaking - Rolls Royce Turbine Engines - Dart Series","slug":"airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":115069,"registerId":"commonwealth-F2006B08008-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 - Rolls Royce Turbine Engines - Dart Series","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\nRolls Royce Turbine Engines - Dart Series\n\nAD Name AD Number\n\nGroup A Component Lives - CANCELLED AD/DART/1\n\nFuel Burner Shroud Nut Hardness AD/DART/2\n\nFuel Washed Burners AD/DART/3\n\nLow Pressure Turbine Retainer Bolt - CANCELLED AD/DART/4\n\nReduction Gear Oil Seal AD/DART/5\n\nReduction Gear AD/DART/6 Amdt 1\n\nroquip Fuel Pipes - Mod. 1587 AD/DART/7\n\nroquip Fuel Pipes - P/N RK38451A - CANCELLED AD/DART/8\n\nroquip Fuel Pipes AD/DART/9\n\nLow Torque Switch AD/DART/10\n\nControl Box Mounting Bolts - Inspection AD/DART/11\n\nControl Box Mounting Bolts - Replacement AD/DART/12\n\nLow Pressure Impeller Hub Shim AD/DART/13\n\nLow Pressure Impeller - Inspection AD/DART/14\n\nLow Pressure Impeller - Back Plate Inspection - CANCELLED AD/DART/15\n\nCombustion Chamber Air Casing AD/DART/16\n\nFlame Tube Suspension Mod. 1736 - CANCELLED AD/DART/17\n\nFlame Tube Suspension - Mod. 1736 Inspection AD/DART/18\n\nCombustion Air Casing Anti-Tear Straps AD/DART/19\n\nHigh Pressure Turbine Nozzle Guide Vanes AD/DART/20\n\nTorque Pressure Indication AD/DART/21\n\nHigh Pressure Impeller AD/DART/22\n\nLow Pressure Turbine Disc AD/DART/23 Amdt 1\n\nFuel Servo Pipe AD/DART/24\n\nHigh Pressure Impeller Replacement AD/DART/25\n\nLow Torque Switch AD/DART/26\n\nEngine Fuel and Control - Fuel Burner Flow Calibration Checks and Life AD/DART/27 Amdt 1\n\nHP Turbine Blades - Inspection and Rework AD/DART/28 Amdt 1\n\nHigh Pressure Turbine Discs AD/DART/29 Amdt 2\n\nTurbine Disc - Coating Removal AD/DART/30","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive content of the listed Airworthiness Directives; it revokes them and remakes them in the same form (see paras (a)–(b) and the Note). Some entries in Schedule 1 are explicitly marked \"CANCELLED\", which removes those specific ADs from force; otherwise the technical obligations remain unchanged. The primary effect is administrative (re‑issuance and standalone citation) rather than a change in scope or requirements."},"complexity_factors":["Delegation to a CASA officer under subregulation 39.001(1) (instrument header) — straightforward statutory power to make/revoke ADs.","Direct revocation and remaking mechanism set out in paragraphs (a) and (b) — administrative rather than substantive action.","Note stating remade ADs are reproduced \"in exactly the same form\" (Note) — no change to technical content, reducing legal complexity.","Schedule 1 lists many ADs (some marked \"CANCELLED\") which requires careful cross‑checking by operators for which instruments remain in force (Schedule 1).","Narrow technical scope (Rolls‑Royce Dart engines) limits affected parties but involves multiple distinct ADs, increasing operational bookkeeping and citation issues."],"plain_english_summary":"This instrument, made by a CASA delegate under subregulation 39.001(1), revokes a set of Airworthiness Directives for Rolls‑Royce Dart series turbine engines and re‑issues each listed directive as a separate instrument in the same form as the latest published editions. It affects aircraft owners, operators, maintenance organisations and parts suppliers who must follow those ADs: the technical requirements are not changed, but some listed items are marked “CANCELLED” and are no longer in force."},"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument maintains the exact same scope as the original Airworthiness Directives. It is purely a procedural remaking exercise with no substantive changes to the safety requirements themselves. The note explicitly states each AD is being re-made 'in exactly the same form as appears in the latest published edition'."},"complexity_factors":["Short, single-purpose instrument (under 2 pages)","No defined terms section — relies on external understanding of 'Airworthiness Directive' and 'Civil Aviation Safety Regulations 1998'","Simple binary structure: revoke (Schedule 1) and remake (attachments)","Tabular format for Schedule 1 makes the list of affected directives readable","No conditional logic or nested exceptions — straightforward administrative action","Heavy reliance on external documents (the attached ADs themselves are not reproduced in full, only referenced)"],"plain_english_summary":"This instrument revokes 30 existing Airworthiness Directives for Rolls Royce Dart turbine engines and remakes them as separate, standalone legal instruments in the same form. It's an administrative housekeeping exercise by CASA to reorganise how these mandatory safety rules are structured so they can be updated individually.\n\nIt affects owners/operators, maintenance engineers and organisations responsible for Dart-engined aircraft. Three of the 30 directives are marked \"CANCELLED\" (AD/DART/1, 4, 8, 15, and 17)."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-rolls-royce-turbine-engines-dart-series/documents"}}