{"id":"F2006B07739","name":"Airworthiness Directives 2004 - Revocation and Remaking - Beechcraft 1900 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50472,"registerId":"commonwealth-F2006B07739-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 1900 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 1900 Series Aeroplanes\n\nAD Name AD Number\n\nStabiliser and Fin Moisture Sealing AD/BEECH 1900/1\n\nNose Gear Lower Shock Absorber Assembly AD/BEECH 1900/2\n\nWing Fasteners AD/BEECH 1900/3\n\nEngine Truss Assembly AD/BEECH 1900/4 Amdt 2\n\nRight Circuit Breaker Wire Bundle Clamp AD/BEECH 1900/5\n\nInstrument Air System - CANCELLED AD/BEECH 1900/6\n\nCompressor Turbine Blades - CANCELLED AD/BEECH 1900/7 Amdt 2\n\nPilot and Co-Pilot Chair Locking Mechanism AD/BEECH 1900/8 Amdt 1\n\nElectrical Power - Hot Battery Bus AD/BEECH 1900/9\n\nElevator Trim Tab Control Cable AD/BEECH 1900/10\n\nFuselage Canted Bulkhead AD/BEECH 1900/11\n\nPneumatic Air System Plumbing AD/BEECH 1900/12\n\nCabin Partition AD/BEECH 1900/13\n\nPilots and Co-Pilots Windshields AD/BEECH 1900/14\n\nEngine Fuel Filter Bypass Valve AD/BEECH 1900/15\n\nExterior Operating Instruction Placards for External Doors AD/BEECH 1900/16 Amdt 1\n\nStabilon Attachment Angle AD/BEECH 1900/17\n\nOutboard Flap Attachment Brackets and Aft Roller Bearings AD/BEECH 1900/18 Amdt 2\n\nUnder Torqued Propeller Mounting Bolts AD/BEECH 1900/19\n\nAirstair Door Handle and Latch Housing AD/BEECH 1900/20 Amdt 1\n\nVent Blower Assemblies - CANCELLED AD/BEECH 1900/21\n\nMain Landing Gear Actuator Rod Ends AD/BEECH 1900/22\n\nRadio Switching Panel AD/BEECH 1900/23\n\nGround Fine Switch AD/BEECH 1900/24\n\nEmergency Exit Doors AD/BEECH 1900/25\n\nMLG Actuator End Cap AD/BEECH 1900/26\n\nInspection for Flight Control Interference with Wiring AD/BEECH 1900/27\n\nCabin Oxygen Mask Lanyards AD/BEECH 1900/28\n\nElectric Trim Servo Cover AD/BEECH 1900/29\n\n  \nElectrical Loom Inspection AD/BEECH 1900/30\n\nLanding Gear Emergency Hand Pump - Faulty Component Replacement AD/BEECH 1900/31\n\nWing Fuel Quantity Wiring Harness AD/BEECH 1900/32\n\nCockpit Voice Recorder Audio Amplifier AD/BEECH 1900/33\n\nKLN-90B GPS AD/BEECH 1900/34\n\nKA-33 Cooling Blower AD/BEECH 1900/35\n\nFlap Flexible Driveshaft Assembly AD/BEECH 1900/36\n\nElevator Balance Weight Attachment AD/BEECH 1900/37\n\nElevator Control System AD/BEECH 1900/38\n\nAC Inverters and Synchronisation Wire AD/BEECH 1900/39\n\nFuselage Rivets AD/BEECH 1900/40\n\nElevator Trim System AD/BEECH 1900/41\n\nVentilation Blower Assemblies AD/BEECH 1900/42\n\nCanted Bulkhead at FS588.10 AD/BEECH 1900/43\n\nLanding Gear Circuit Breaker AD/BEECH 1900/44\n\nEngine Controls Cross Shaft AD/BEECH 1900/45","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The scope remains precisely limited to Beechcraft 1900 series aeroplanes and the specific Airworthiness Directives listed. The instrument explicitly states it is remaking the ADs \"in exactly the same form,\" indicating no expansion of regulatory reach or substantive change to safety requirements."},"complexity_factors":["Very short instrument (under 2 pages)","No defined terms section — relies entirely on external references to the Civil Aviation Safety Regulations 1998","Simple binary structure: revoke (a) and remake (b)","No conditional logic, exceptions, or nested provisions","Schedule 1 is a straightforward table with 45 rows of AD names and numbers","No substantive amendments to the AD content — purely administrative restructuring","Single delegation point (subregulation 39.001(1)) with no complex authority chains"],"plain_english_summary":"This instrument revokes and immediately remakes 45 Airworthiness Directives applying to Beechcraft 1900 series aircraft in Australia, keeping their content identical while reissuing each as a separate standalone legal instrument. It’s an administrative restructure to improve clarity and manageability of mandatory ADs.\n\nIt affects Beechcraft 1900 operators, owners, lessors and maintenance organisations — the same safety obligations remain enforceable."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument does not materially change the substantive obligations in the listed ADs; it revokes and re‑issues them in the same form as their latest published editions. That is an administrative reformatting/republication step rather than an expansion of regulatory scope."},"complexity_factors":["Short, single-purpose instrument (administrative revocation and re‑making)","One primary legal authority invoked: subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998","Schedule 1 lists ~45 ADs (some marked CANCELLED and some with amendment notations) which increases nominal reference count but not substantive complexity","No new technical requirements or conditional logic contained in the instrument itself","Cross-reference complexity limited to external ADs (each re‑made as separate instruments) rather than internal nested exceptions"],"plain_english_summary":"**What this instrument does**\n\n- This instrument revokes a list of existing Airworthiness Directives (ADs) that apply to Beechcraft 1900 series aeroplanes and re‑makes each one as a separate legal instrument in the same form as their latest published editions (see Schedule 1).  The power used is subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998.\n\n**What an Airworthiness Directive (AD) is**\n\n- An AD is a mandatory safety requirement issued by the aviation safety regulator. It typically requires inspections, repairs, modifications, part replacements or operational limits to keep an aircraft airworthy (safe to fly).\n\n**Who this affects**\n\n- Aircraft owners and operators of Beechcraft 1900 series aeroplanes.\n- Maintenance organisations, licensed aircraft engineers and parts suppliers who carry out or certify work required by the ADs.\n- The Civil Aviation Safety Authority (CASA) as the enforcing and administrative body.\n\n**How it works, mechanically**\n\n- The delegate of CASA formally revokes the listed AD instruments and simultaneously makes new, separate instruments for each AD listed in Schedule 1.  The instrument’s own note says each re‑made AD is identical to the latest published edition of that AD.\n- Schedule 1 lists about 45 ADs (several marked as “CANCELLED” and some showing amendment notes). Each listed AD will now exist as an individual legal instrument rather than being continued in whatever prior grouped or consolidated form existed.\n\n**Why this matters (stated purpose and practical effect)**\n\n- The instrument’s stated effect is administrative: to ensure each AD exists as a separate legal instrument in its up‑to‑date form.  That is a housekeeping step that clarifies the legal status and citation of each AD.\n\n**Costs, incentives and trade‑offs (practical consequences to watch for)**\n\n- Compliance costs: If any of the re‑made ADs require inspections, parts or modifications, those costs continue to be borne by aircraft owners/operators. The re‑making itself does not create new technical obligations if the content is truly unchanged (note in the instrument claims they are identical), but operators must ensure they refer to the newly issued instruments to remain legally compliant (administrative cost of tracking instruments).\n- Administrative benefit: Separating each AD into its own instrument can make it easier for operators, maintenance organisations and regulators to cite, update or repeal specific ADs in future.\n- Implementation burden: CASA must publish and administer multiple individual instruments; operators must check that their compliance records reference the correct (re‑made) ADs rather than an older consolidated source. There is a modest coordination and record‑keeping burden for both regulator and industry.\n- Legal clarity risk: If any amendment history is not clearly preserved in the re‑made instruments, that could create temporary confusion about which version applies. The instrument attempts to avoid that by stating each is re‑made in the same form as the latest published edition.\n- Who decides and who pays: The CASA delegate (the regulator) decides to revoke and re‑make the ADs; aircraft owners/operators pay for any work required by those ADs.\n\n**Concrete citation**\n\n- The action is taken under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 and the list of affected ADs appears at Schedule 1 of the instrument.\n\n"},"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-beechcraft-1900-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-beechcraft-1900-series-aeroplanes/documents"}}