{"id":"F2006B07737","name":"Airworthiness Directives 2004 - Revocation and Remaking - Beechcraft 18 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50469,"registerId":"commonwealth-F2006B07737-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 - Beechcraft 18 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\nBeechcraft 18 Series Aeroplanes\n\nAD Name AD Number\n\nStarter Solenoid and Main Bus Lead Wire - Inspection AD/BEECH 18/1\n\nLanding Gear Retracting Mechanism - Inspection AD/BEECH 18/2\n\nFuel Tank Gasket - CANCELLED AD/BEECH 18/3\n\nHorizontal Stabiliser Spar - Inspection AD/BEECH 18/4 Amdt 1\n\nWing Centre Section Spar Chafing - Inspection AD/BEECH 18/5\n\nCentre Section Truss - CANCELLED AD/BEECH 18/6\n\nControl Wheel Shaft - Modification AD/BEECH 18/7\n\nUndercarriage Limit Switch - Inspection AD/BEECH 18/8\n\nCentre Spar and Landing Gear - CANCELLED AD/BEECH 18/9\n\nLower Outer Wing Root Fittings - CANCELLED AD/BEECH 18/10\n\nMainplane Lower Main Spar Tube - CANCELLED AD/BEECH 18/11 Amdt 1\n\nCentre Section Lower Main Spar - CANCELLED AD/BEECH 18/12\n\nCentre Section Truss Clusters - CANCELLED AD/BEECH 18/13\n\nOuter Mainplane - CANCELLED AD/BEECH 18/14 Amdt 3\n\nWing Centre Section - CANCELLED AD/BEECH 18/15 Amdt 10\n\nFront Seat Restraint Installations - Modification AD/BEECH 18/16\n\nAircraft Modification, Inspection and Retirement AD/BEECH 18/17 Amdt 4\n\nControl Columns and Elevator Control Arm Assembly - Inspection AD/BEECH 18/18 Amdt 1\n\nGoodyear Fuel Cells - Inspection AD/BEECH 18/19\n\nLower Rudder Torque Tube - Inspection AD/BEECH 18/20\n\nMain Landing Gear Walking Beam Upper Attach Bolt - Inspection and AD/BEECH 18/21\n\nMain Landing Gear Drag Legs, Drag Leg Bolts and Retract Slide Assemblies - AD/BEECH 18/22\n\nPilot Seats - Reinforcement AD/BEECH 18/23","sortOrder":0}],"analysis":{"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 performs a purely administrative \"revoke and remake\" function under CASR 39.001(1). It does not alter the substantive safety requirements contained in the Airworthiness Directives themselves—the note explicitly states each AD is being remade \"in exactly the same form.\" The scope remains limited to maintaining existing regulatory requirements for Beechcraft 18 aircraft; no expansion of coverage to new aircraft types, new safety issues, or new operational requirements has occurred."},"complexity_factors":["Single operative provision with straightforward binary action (revoke and remake)","No defined terms section—relies on external understanding of \"Airworthiness Directive\" and aircraft technical terminology","Minimal conditional logic—only distinction is between cancelled ADs and those being remade","Schedule-based structure with simple tabular listing of 23 items","Cross-reference limited to subregulation 39.001(1) of Civil Aviation Safety Regulations 1998 (single external reference)","No nested exceptions or complex temporal provisions","Substantive content (the actual AD requirements) contained in attached documents not reproduced in the legislative text itself"],"plain_english_summary":"This instrument updates airworthiness rules for Beechcraft 18 series aircraft in Australia by revoking 23 existing ADs and immediately remaking most as fresh, standalone legal instruments to keep their safety requirements enforceable. Seven of the original ADs are permanently cancelled. It affects owners/operators, maintenance engineers, and CASA, preserving regulatory oversight for these vintage, 60+ year‑old aircraft."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"No substantive change to the content of the affected Airworthiness Directives. The instrument’s stated purpose is purely administrative: revoke listed ADs and remake each in the same form (see Note and Schedule 1). Some ADs are shown as CANCELLED in Schedule 1, reflecting prior cancellations rather than a change introduced by this instrument."},"complexity_factors":["Administrative scope limited to revocation and re-issuing of existing ADs (Note: “re-made in exactly the same form”) — lowers substantive complexity.","Multiple items listed in Schedule 1 (over 20 AD references), requiring record updates and separate instrument tracking by operators and regulators.","Some entries are marked CANCELLED or show prior amendments (e.g. Amdt 1, Amdt 3, Amdt 10) — creates modest interpretive checks to confirm which technical requirements remain in force (Schedule 1).","Decision and authority exercised by CASA delegate under subregulation 39.001(1) — centralised administrative discretion but applied to an administrative task.","Compliance burden falls on aircraft owners/operators and maintenance organisations to locate and follow the separately-issued ADs — operational and record-keeping cost.","Potential for citation/administrative confusion as ADs move from a consolidated instrument into multiple separate instruments; systems must be updated to reflect new instrument identifiers."],"plain_english_summary":"This instrument revokes the Airworthiness Directives listed in Schedule 1 for Beechcraft 18 series aeroplanes and remakes each as a separate instrument in the same form. Mechanically it reissues or cancels the specified ADs so each exists as its own instrument.\n\nIt affects Beechcraft 18 owners, operators and maintenance organisations, who must continue to comply with (and bear the cost of) the remade ADs. The CASA delegate makes the change under subregulation 39.001(1); the Note says no substantive change to AD text is intended."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-18-series-aeroplanes/documents"}}