{"id":"F2006B07778","name":"Airworthiness Directives 2004 - Revocation and Remaking - British Aerospace BAe 125 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50573,"registerId":"commonwealth-F2006B07778-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 - British Aerospace BAe 125 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\nBritish Aerospace BAe 125 Series Aeroplanes\n\nAD Name AD Number\n\nFlight Control Castings - Modification AD/HS 125/1\n\nFuselage Frame 17 - Modification AD/HS 125/2\n\nAileron Shroud Clearance - Modification AD/HS 125/3\n\nCabin Pressure Safety and Inward Relief Valve - Modification AD/HS 125/4\n\nAircraft Flight Data Recorder and Flight Crew Compartment Voice Recorder - AD/HS 125/5\n\nAileron Upper Hinge Fairing Attachment Bold - Modification AD/HS 125/6\n\nNose Gear Torque Links - Modification AD/HS 125/7\n\nEngine Mounting Beam - Modification AD/HS 125/8\n\nFuel Filter De-Icing System - Inspection AD/HS 125/9 Amdt 2\n\nFlap Centre Hinge Bolt - Modification AD/HS 125/10 Amdt 1\n\nFlap Servo Baulk - CANCELLED AD/HS 125/11\n\nControl Column Gaiter - Modification AD/HS 125/12\n\nLanding Gear Audible Warning - Modification AD/HS 125/13\n\nNose Gear Leg Mounting Bracket - Inspection AD/HS 125/14\n\nFlap Servo Body - Replacement AD/HS 125/15\n\nNot Issued AD/HS 125/16\n\nHydraulic Flow Indicator - Modification AD/HS 125/17\n\nFlap Vane - Modification AD/HS 125/18\n\nRudder Pedal Adjuster Assemblies - Inspection and Modification AD/HS 125/19\n\nFlight Controls - Airbrake - Modification AD/HS 125/20\n\nControl Surfaces - Trim and Geared Tab Connecting Rod Attachments - AD/HS 125/21\n\nWindscreen De-Icing Hand Pump - Modification AD/HS 125/22\n\nNose Leg Drag Stay Pick-Up Fitting - Inspection and Modification AD/HS 125/23\n\nMain Landing Gear Jack Pivot Assembly - Inspection AD/HS 125/24 Amdt 1\n\nFlight Controls - Rudder Servo Motor Control Cables - Inspection AD/HS 125/25\n\nFuselage - Forward Pressure Bulkhead - CANCELLED AD/HS 125/26\n\nFlexible Hydraulic Hose - Inspection AD/HS 125/27 Amdt 1\n\nFlap Outer Hinge - Inspection AD/HS 125/28 Amdt 2\n\nFlap Hinge Levers - Inspection AD/HS 125/29\n\n  \nOxygen System Cylinder - Inspection AD/HS 125/30\n\nPassenger Seats - Inspection AD/HS 125/31\n\nCockpit Window Panels - Inspection AD/HS 125/32\n\nElectrical Wiring - Front Pressure Bulkhead - CANCELLED AD/HS 125/33\n\nCabin Window Panels - Inspection AD/HS 125/34\n\nCockpit Window Panel C - Life Limitation and Modification AD/HS 125/35\n\nFire Extinguisher Bottles - Inspection AD/HS 125/36\n\nRudder Torque Tube - Inspection and Modification AD/HS 125/37\n\nElevator Trim Tabs - Inspection and Modification AD/HS 125/38\n\nElectrical Wiring - Rear Pressure Bulkhead - CANCELLED AD/HS 125/39\n\nUpper Airbrake Outboard Hinge Attach Bolts - Replacement AD/HS 125/40\n\nCanopy Post A-B - Fail Safe Links AD/HS 125/41 Amdt 1\n\nHydraulic Brake Control Knife Edges - Inspection AD/HS 125/42 Amdt 1\n\nEmergency Brake Valve Knife Edges - Inspection and Replacement AD/HS 125/43\n\nAileron Inner Hinge Bracket Assembly - Inspection and Modification AD/HS 125/44 Amdt 1\n\nRetirement Lives - Fatigue Critical Components AD/HS 125/45 Amdt 3\n\nFuel Filter De-Icing Pumps - Replacement AD/HS 125/46\n\nFin Rear Spar - Elevator Control Pulley Bracket Modification AD/HS 125/47\n\nRadome Lightning Protection - Modification AD/HS 125/48\n\nFlap Outer Hinge Arm Assembly AD/HS 125/49 Amdt 1\n\nOxygen Supply Valve - Inspection and Modification AD/HS 125/50\n\nNose Landing Gear Drag Stay Bridge Casting AD/HS 125/51 Amdt 3\n\nFlap Outer Hinge Assembly - Inspection AD/HS 125/52\n\nFlap Nose Ribs - Inspection AD/HS 125/53 Amdt 2\n\nFuselage Front Pressure Bulkhead - Inspection AD/HS 125/54\n\nFuel Filler Neck Flap Valve - Installation AD/HS 125/55\n\nAileron, Rudder & Elevator Trim Jack Input Gear Shafts - Inspection AD/HS 125/56\n\nFlight Manual - Change to Metric Units AD/HS 125/57\n\nLanding Gear Hydraulic System - Inspection and Modification AD/HS 125/58\n\nCold Air Unit Fragmentation Guard - Installation AD/HS 125/59\n\nHorizontal Stabiliser Attachment Fitting - Inspection and Rectification AD/HS 125/60\n\nElectrical Power - Modification AD/HS 125/61\n\nLanding Gear Emergency Selector - Modification AD/HS 125/62\n\nMain Landing Gear Retraction Jack Cylinder Head Attachment Lugs - AD/HS 125/63\n\nAudio Integrating System Wiring - Modification AD/HS 125/64\n\nMain Landing Gear Jack Attachment Bracket - Inspection AD/HS 125/65\n\n  \nMain Landing Gear Wheels - Inspection AD/HS 125/66\n\nElectrical Panels - Inspection and Modification AD/HS 125/67\n\nAilerons - Modification AD/HS 125/68\n\nFlap Hinge Bolt - Modification AD/HS 125/69\n\nEFIS Power Supply AD/HS 125/70\n\nFlap Microswitch Layshaft AD/HS 125/71\n\nEngine Mounting Cowling Damage AD/HS 125/72\n\nFouling of Pipe Installations AD/HS 125/73 Amdt 1\n\nWire Loom Chafe AD/HS 125/74\n\nAileron Drain Holes AD/HS 125/75\n\nAPU Bonding AD/HS 125/76\n\nFlap Drive Torque Shaft AD/HS 125/77 Amdt 1\n\nSealing of APU Plenum Shroud AD/HS 125/78\n\nFire Warning System AD/HS 125/79\n\nAileron Centre Hinge Link Bush AD/HS 125/80\n\nAileron Mass Balance - Cracking of Side Plate Attachment Lugs AD/HS 125/81\n\nVentral Tank Aft Attachment AD/HS 125/82 Amdt 1\n\nChafing of Wiring Loom AD/HS 125/83 Amdt 1\n\nCanopy Upper Rail AD/HS 125/84\n\nBattery Cable Chafing AD/HS 125/85 Amdt 1\n\nFlight Data Recorder AD/HS 125/86\n\nWing Bottom Skin AD/HS 125/87\n\nHF rial System AD/HS 125/88\n\nElevator Mass Balance Sideplate and Spigot Corrosion AD/HS 125/89 Amdt 1\n\nFlight Deck Side Console Louvers and Adaptors AD/HS 125/90 Amdt 1\n\nElectrical Power - Smoke Drill - Additional Circuit Breaker Identical Labels AD/HS 125/91 Amdt 1\n\nNose Gear Pivot Pin AD/HS 125/92\n\nElectrical Power - DC Bus Tie System AD/HS 125/93\n\nEngine Fire Extinguisher Bottle AD/HS 125/94\n\nMain Landing Gear Door - Forward Hinge Fitting AD/HS 125/95\n\nA.C. Generator Control Units AD/HS 125/96\n\nAuxiliary Bracket Rear Engine Mount AD/HS 125/97 Amdt 1\n\nElectrical Power - Starting - Hartman Contactor AD/HS 125/98\n\nStall Warning Vane AD/HS 125/99\n\nFuselage - Windscreen Centre Pillar AD/HS 125/100 Amdt 1\n\nForward Keel Skin Panels AD/HS 125/101\n\n  \nWarming Ovens AD/HS 125/102 Amdt 1\n\nRear Pressure Bulkhead/Airconditioning Duct AD/HS 125/103\n\nEngine Exhaust Duct AD/HS 125/104\n\nMain Landing Gear Torque Link Pivots AD/HS 125/105\n\nMLG Sidestay to Wing Pick-Up Fitting AD/HS 125/106 Amdt 1\n\nMLG Sidestay Attachment Lug AD/HS 125/107\n\nFlap Inboard Hinge AD/HS 125/108\n\nMLG Sidestay Centre Pivot Attach Nut AD/HS 125/109\n\nPassenger Compartment Fluorescent Lighting AD/HS 125/110\n\nNLG Wheel Location Plate Retaining Nuts AD/HS 125/111\n\nWater System AD/HS 125/112\n\nMLG Side Stay Arm Assemblies and Torque Links AD/HS 125/113 Amdt 1\n\nGenerator Control Unit (GCU) Earth Wire AD/HS 125/114\n\nNLG Bay Sidewall AD/HS 125/115 Amdt 1\n\nStandby Inverter Cover AD/HS 125/116\n\nInstrument Integral Lighting Dimmer Unit AD/HS 125/117\n\nFire Extinguisher Electrical Connectors AD/HS 125/118\n\nMLG Torque Links AD/HS 125/119 Amdt 1\n\nRudder Pedal Torque Tubes AD/HS 125/120\n\nFuel Feed Pipe Joints AD/HS 125/121 Amdt 1\n\nWatertank Shroud Drain Outlet AD/HS 125/122 Amdt 1\n\nWing Top Skin Panel AD/HS 125/123 Amdt 1\n\nWing Top Skin Bolt Holes and Internal Stringers AD/HS 125/124 Amdt 2\n\nAPU Power Supplies AD/HS 125/125\n\nElectrical Power/Generator Power AD/HS 125/126 Amdt 1\n\nCabin and Toilet Fluorescent Lighting AD/HS 125/127 Amdt 1\n\nRear Equipment Bay Drain Masts AD/HS 125/128 Amdt 1\n\nMarking of Windshield Heat Power Supply Circuit Breakers AD/HS 125/129 Amdt 1\n\nEngine and Flight Data Monitoring AD/HS 125/130 Amdt 1\n\nHydraulic System Accumulator AD/HS 125/131\n\nWarming Oven Part Number 206B-LH-28/115 AD/HS 125/132\n\nElectrical Power - Battery and Emergency Contactors AD/HS 125/133 Amdt 2\n\nCabin Door Retainer Catch AD/HS 125/134 Amdt 1\n\nFire Protection Circuitry - Inspection of Blocking Diodes AD/HS 125/135\n\nEmergency Contactor Not Closed Indicator AD/HS 125/136\n\nOxygen System Inspection AD/HS 125/137\n\n  \nWing Leading Edge Corrosion AD/HS 125/138\n\nThrust Reverser - Control Circuit Wiring AD/HS 125/139\n\nGalley Electrical Feeder Cables AD/HS 125/140\n\nFan Venturi Motor Clearance AD/HS 125/141\n\nFlightdeck Six Volt Lighting Electrical Power AD/HS 125/142\n\nAddition of Vents and Pressure Relief Device AD/HS 125/143 Amdt 1\n\nElevator Pulley Assembly AD/HS 125/144\n\nElectrical Wiring Chafing AD/HS 125/145\n\nInstrument Panel Lighting AD/HS 125/146\n\nCable Loom Inspection AD/HS 125/147\n\nElectrical Power Diode Connections AD/HS 125/148\n\nIce Protection Metering Pumps Wiring AD/HS 125/149\n\nMain Landing Gear - Sidestay Jack Pivot AD/HS 125/150 Amdt 1\n\nAPU Fuel Feed Hose Assemblies AD/HS 125/151 Amdt 1\n\nHydraulic Pipes AD/HS 125/152\n\nThrust Reverser Secondary Locks, Microswitches and Wiring AD/HS 125/153\n\nEngine Pylon Firewall AD/HS 125/154 Amdt 1\n\nFuselage Fluid Drainage AD/HS 125/155\n\nControl Cable Assemblies at Keel Subframe 15A AD/HS 125/156\n\nRudder Flow Separator Triggers and Strut Spring AD/HS 125/157\n\nAPU Fuel Feed Hose Assemblies AD/HS 125/158\n\nWiring Inspections AD/HS 125/159\n\nFlight Control Cables and Pitot Pipes AD/HS 125/160\n\nOxygen System AD/HS 125/161\n\nTurbine Air Discharge Duct AD/HS 125/162\n\nWire Bundle Chafing AD/HS 125/163\n\nPitot/Static and Stall Vent Drain Valves AD/HS 125/164\n\nNose Landing Gear Drag Stay AD/HS 125/165\n\nMain Landing Gear Actuator Cylinder Head AD/HS 125/166 Amdt 2\n\nTurbine Air Discharge and Water Separator Ducts AD/HS 125/167\n\nEngine Overspeed Control AD/HS 125/168\n\nWheel Tie-Bolt Nuts AD/HS 125/169\n\nWing and Fuselage Attachment Bolts AD/HS 125/170\n\nEngine Fire Extinguishing Wiring AD/HS 125/171\n\nRosemount Pitot Probes AD/HS 125/172\n\nFuel Boost Pump Wire Bundles AD/HS 125/173","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope is not changed. The delegate expressly revokes the listed Airworthiness Directives and re-issues them 'in exactly the same form' as the latest published editions (see Schedule 1 and accompanying Note), so substantive obligations on owners/operators/maintainers remain the same; this is an administrative re-formatting rather than a change of regulatory scope."},"complexity_factors":["Administrative legal action only: revocation and re-making of existing ADs under subregulation 39.001(1).","Large number of listed directives in Schedule 1 requiring tracking across operators and regulators.","Presence of amendments and cancellations noted (e.g. 'Amdt 1', 'Amdt 2', 'CANCELLED') increases record-checking burden.","Attachments and the Note that each AD is re-made 'in exactly the same form' require cross-referencing to the latest published editions.","No substantive changes stated, but implementation requires ensuring continuity of compliance and administrative update of instrument registers."],"plain_english_summary":"This instrument revokes a long list of Airworthiness Directives for British Aerospace BAe 125 series aeroplanes and reissues each as a separate, identical instrument under subregulation 39.001(1). It affects BAe 125 owners, operators and maintenance organisations, who remain subject to the same inspection, modification and compliance obligations; the change is administrative (re-making the directives in the same form) rather than substantive."},"kimi_summary":{"content_quality":"ok","complexity_score":4,"scope_assessment":{"changed":false,"description":"This is a pure consolidation exercise. The instrument explicitly states each directive is being re-made 'in exactly the same form as appears in the latest published edition.' No expansion of scope — purely administrative housekeeping to refresh legal validity."},"complexity_factors":["Simple procedural mechanism: revoke and remake with no substantive changes","No defined terms section — relies on external aviation terminology","Extensive schedule listing 173 separate directives but presented as a simple table","Cross-references to Civil Aviation Safety Regulations 1998 (subregulation 39.001(1)) but no complex legislative web","Note clarifies no substantive changes — 're-made in exactly the same form'","Multiple amendments noted (Amdt 1, 2, 3) indicating historical layering, though current instrument consolidates these","Technical aviation jargon throughout (e.g., 'Flap Servo Baulk', 'Keel Subframe', 'Torque Links') but not legally complex"],"plain_english_summary":"This instrument revokes and re-issues 173 Airworthiness Directives for the British Aerospace BAe 125 (Hawker 800) series, replacing accumulated historical ADs with fresh, current legal instruments. It affects BAe 125 owners/operators, maintenance engineers, and CASA because these mandatory safety instructions (inspections, repairs, modifications) are required for legal flight.\n\nKey detail: three directives were cancelled entirely (AD/HS 125/11, 26, 33, and 39)."},"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"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-british-aerospace-bae-125-series-aeroplanes/documents"}}