{"id":"F2006B07894","name":"Airworthiness Directives 2004 - Revocation and Remaking - Gulfstream (Grumman) G1159 and G-IV Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50904,"registerId":"commonwealth-F2006B07894-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 - Gulfstream (Grumman) G1159 and G-IV 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\nGulfstream (Grumman) G1159 and G-IV Series Aeroplanes\n\nAD Name AD Number\n\nAirspeed Limitation Placard - Rework AD/G1159/1\n\nTrim Tab Actuators - Inspection AD/G1159/2 Amdt 1\n\nFire Extinguishing System - Modification AD/G1159/3\n\nLife Limited Components - Retirement AD/G1159/4 Amdt 4\n\nHigh Pressure Fuel Cock - Modification AD/G1159/5\n\nVertical Tail Rear Beam Attaching Bolts - Inspection and Modification AD/G1159/6\n\nMain Cabin Floorboards - Inspection and Repair AD/G1159/7\n\nAileron Control System - Inspection AD/G1159/8\n\nFuselage Aft Pressure Dome - Inspection and Modification AD/G1159/9\n\nNose Landing Gear Trunnion Assembly - Inspection AD/G1159/10\n\nFlight Control Trim Systems - Inspection and Modification AD/G1159/11\n\nWing Rear Beam Lower Cap Splice Attachment Bolt - Inspection and AD/G1159/12\n\nElevator Mass Balance - Inspection AD/G1159/13\n\nHydraulic Power Shut-Off - Modification AD/G1159/14\n\nAileron Hydraulic System AD/G1159/15 Amdt 1\n\nRestricted Authority Electric Trim - Modification AD/G1159/16\n\nStall Barrier System In-Line Filters - Replacement AD/G1159/17\n\nGround Spoiler System - Deactivation AD/G1159/18\n\nLanding Gear and Oxygen Systems Gas Cylinders - Inspection and Replacement AD/G1159/19\n\nWing Trailing Edge Structure - Inspection AD/G1159/20\n\nJumpseat Placard - Installation AD/G1159/21 Amdt 1\n\nPitot-Static System Connections - Inspection AD/G1159/22\n\nMain Landing Gear Side Brace Actuating Cylinders - Inspection AD/G1159/23 Amdt 2\n\nCabin Pressure Differential - Restriction AD/G1159/24 Amdt 2\n\nWindows - Inspection and Modification AD/G1159/25\n\nNose Landing Gear Retract Cylinder Aft Attach Structure - Inspection AD/G1159/26\n\nBaggage Door Frame - Inspection AD/G1159/27\n\nControl Column Wheel Attaching Shaft - Inspection AD/G1159/28\n\nFlight Manual - Change to Metric Units AD/G1159/29\n\n  \nFuselage, Rudder Actuator Structural Attachment Points - Inspection AD/G1159/30\n\nElevator Trim Tab Outboard Hinge Fittings - Inspection AD/G1159/31 Amdt 1\n\nFlap, Auxiliary and Thrust Reverser Hydraulic Shut-Off Valves - Inspection AD/G1159/32\n\nEngine Fire Extinguisher System AD/G1159/33 Amdt 2\n\nFluorescent Lighting Installations Incorporating Series '66' Lamps AD/G1159/34 Amdt 1\n\nTakeoff Warning System AD/G1159/35\n\nCorrosion and Cracking Fuselage Station 452 AD/G1159/36\n\nWing Plank Splice Between BL 135 and BL 156 AD/G1159/37\n\nElectrical Power - Alternator Feeder Cable AD/G1159/38\n\nLanding Gear Door Control Valves AD/G1159/39\n\nGoodyear Flight Eagle Tyres AD/G1159/40\n\nEngine Fire Extinguisher Bottle Electrical Connections AD/G1159/41\n\nDC Essential Bus Indication AD/G1159/42\n\nDamper Shafts AD/G1159/43","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"Scope not substantively changed. The delegate revokes the listed ADs and re-makes each as a separate instrument in exactly the same form as the latest published edition (instrument preamble: acting under subregulation 39.001(1); Note: 'being re-made in exactly the same form'; Schedule 1 lists the ADs). The measure is administrative re-issuance rather than alteration of requirements."},"complexity_factors":["Breadth of instruments: 43 individual Airworthiness Directives are listed for revocation and re-making (Schedule 1).","Technical diversity: the listed ADs cover many disciplines (structural inspections, hydraulic/electrical systems, flight controls, emergency systems), increasing operational complexity for affected operators (Schedule 1 entries).","Legal mechanism is procedural: action taken under subregulation 39.001(1) (instrument heading), so complexity is administrative rather than substantive.","Identical re-issue reduces substantive legal change but requires administrative coordination to ensure each separate instrument replaces the revoked one without gap (Note: 'being re-made in exactly the same form').","Compliance and implementation burden remains dispersed across multiple parties (owners/operators/maintenance organisations) who will need to track reissued instruments and maintain records (implicit from nature and Schedule 1).","Risk of transitional confusion: simultaneous revocation and separate reissuance can create timing and reference-management issues for registries, operators and maintenance providers."],"plain_english_summary":"This instrument revokes a grouped set of Airworthiness Directives for Gulfstream (Grumman) G1159 and G‑IV series aeroplanes and remakes each directive as a separate instrument in the same form as the latest published editions.\n\nIt is made by a delegate of the Civil Aviation Safety Authority under subregulation 39.001(1) and affects aircraft owners, operators and maintenance organisations who must meet the AD requirements and bear associated compliance costs."},"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":2,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking the ADs \"in exactly the same form as appears in the latest published edition.\" This is a pure administrative reissue with no expansion of scope, no new aircraft types added, and no new safety requirements introduced."},"complexity_factors":["Very short instrument (under 2 pages)","No defined terms section — relies entirely on external references to existing ADs","Simple binary structure: (a) revoke, (b) remake","No conditional logic, exceptions, or nested provisions","Schedule 1 is purely a table listing AD numbers and descriptive titles","Cross-references are limited to the Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) and the attached ADs themselves"],"plain_english_summary":"This instrument revokes and immediately remakes 43 existing Airworthiness Directives for Gulfstream G1159 and G‑IV series jets in Australia, affecting owners, operators, maintenance organisations and pilots. It does not alter the substance of the ADs — each is reissued in the same form — but is a technical administrative reissue under the Civil Aviation Safety Regulations 1998 to place the ADs on the correct legal footing and numbering."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-gulfstream-grumman-g1159-and-g-iv-series-aerop/documents"}}