{"id":"F2006B07923","name":"Airworthiness Directives 2004 - Revocation and Remaking - McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters","slug":"airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50967,"registerId":"commonwealth-F2006B07923-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 - McDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters","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\nMcDonnell Douglas (Hughes) and Kawasaki 369 Series Helicopters\n\nAD Name AD Number\n\nRetirement Life - Fatigue Critical Components AD/HU 369/1 Amdt 16\n\nTail Rotor Gearbox - Inspection and/or Replacement AD/HU 369/2 Amdt 1\n\nCANCELLED AD/HU 369/3\n\nMain Rotor Locknut and Retaining Ring - Modification AD/HU 369/4\n\nMain Rotor Blade - Inspection AD/HU 369/5\n\nNAS 1291 - 4 Nuts Used in Specific Applications Inspection AD/HU 369/6\n\nOil Cooler Blow System - Modification AD/HU 369/7 Amdt 1\n\nTail Rotor Blades - Inspection AD/HU 369/8\n\nInstallation of New Vne Placard AD/HU 369/9\n\nMain Transmission P/N 369A5100 Series - Modification AD/HU 369/10\n\nMain Transmission Ring Gear Bolts - Inspection AD/HU 369/11 Amdt 1\n\nMetal Tail Rotor Blades - Inspection AD/HU 369/12\n\nMain Rotor Blade - Inspection AD/HU 369/13\n\nAft Fuselage Skin - Inspection AD/HU 369/14\n\nTail Rotor Blades - Inspection AD/HU 369/15\n\nPassenger Interior - Modification AD/HU 369/16\n\nTail Rotor Drive System - Inspection AD/HU 369/17\n\nEngine Air Filter By-Pass Door - Inspection AD/HU 369/18\n\nFibreglass Tail Rotor Blades - Inspection AD/HU 369/19\n\nAdjustable Upper Engine Mount Assemblies - Inspection AD/HU 369/20\n\nStabiliser Strut Damper Plunger - Inspection and Replacement AD/HU 369/21\n\nTail Rotor Transmission Attachment Bracket Assemblies Inspection AD/HU 369/22 Amdt 1\n\nMain Rotor Hub Lead Lag Link - Inspection AD/HU 369/23\n\nTail Rotor Drive Shaft Damper - Inspection AD/HU 369/24\n\nLongitudinal Cyclic Friction Guide Link - Modification AD/HU 369/25\n\nMain Rotor Pitch Link Bolts and Nuts - Inspection AD/HU 369/26\n\nEmergency Float Assemblies - Modification AD/HU 369/27\n\nMain Rotor Retention Straps - CANCELLED AD/HU 369/28 Amdt 4\n\nCANCELLED \\- Superseded by DCA/HU 369/28D - CANCELLED AD/HU 369/29\n\n  \nMain Rotor Pitch Control Rod - Replacement AD/HU 369/30\n\nOverrunning Clutch Assembly - Rework and Inspection AD/HU 369/31 Amdt 2\n\nSeat Belt Assemblies - Inspection and Replacement AD/HU 369/32\n\nFuselage Structure, Forward Section - Modification AD/HU 369/33 Amdt 1\n\nTail Rotor Hub - Inspection and Modification AD/HU 369/34 Amdt 1\n\nTail Rotor Hub - Inspection and Modification AD/HU 369/35 Amdt 1\n\nFlexible Hose Assembly - Replacement AD/HU 369/36\n\nTail Rotor Swashplate Bearing Locknut - Inspection and Increase in Torque AD/HU 369/37\n\nCANCELLED AD/HU 369/38\n\nTail Rotor Control Bellcrank Supports - Inspection and Modification AD/HU 369/39\n\nTail Rotor Fork Hinge Nut - Replacement AD/HU 369/40\n\nMain Rotor Blade Root Fitting Assembly and Hub Lead-Lag Link Assemblies AD/HU 369/41 Amdt 10\n\nCollective Torque Tube and Bungee Support Bracket - Inspection AD/HU 369/42\n\nMain Rotor Blade Root Fitting Assemblies and Lead-Lag Assemblies - Inspection AD/HU 369/43\n\nCollective Torque Tube and Bungee Support Brackets - Inspection AD/HU 369/44 Amdt 1\n\nTail Rotor Swashplate Bearing Locknut - Increase in Torque AD/HU 369/45\n\nTail Rotor Drive Shaft Couplings - Inspection AD/HU 369/46\n\nOver-Running Clutch - Sprag Assembly AD/HU 369/47 Amdt 2\n\nMain Rotor Lead-Lag Bolts - Inspection for Corrosion AD/HU 369/48\n\nMain Rotor Retention Straps - Inspection AD/HU 369/49 Amdt 2\n\nMain Rotor Hub Strap Pack Retention Bolts and Bushings - Inspection and AD/HU 369/50\n\nRotor Brake and Tail Rotor Drive Shaft Coupling AD/HU 369/51 Amdt 3\n\nAttachment Hardware for Sta-Strap Securing Electric Wiring to Boom Fairing at AD/HU 369/52\n\nMain Rotor Drive Shaft AD/HU 369/53 Amdt 2\n\nGovernor Lever Control Rod - Replacement AD/HU 369/54\n\nMain Gear Box Ring Gear Carrier Shaft - Inspection AD/HU 369/55\n\nAuxiliary Fuel System - Modification AD/HU 369/56\n\nCollective Stick Support Bracket Reinforcement Strap - Installation AD/HU 369/57 Amdt 2\n\nMain Rotor Swashplate Bearing - Inspection - Replacement AD/HU 369/58\n\nMain Transmission Oil Lines AD/HU 369/59 Amdt 1\n\nOil Pressure and Torque Pressure Firewall Fitting Checks AD/HU 369/60 Amdt 1\n\nTail Rotor Blade Tip Cap Separation AD/HU 369/61 Amdt 3\n\nTail Rotor Blade Abrasion Strip AD/HU 369/62 Amdt 4\n\nLanding Gear Struts and Feet - Inspection AD/HU 369/63\n\nTail Rotor Bellcrank AD/HU 369/64\n\nFargo Auxiliary Fuel Tanks AD/HU 369/65\n\n  \nEon Corp. Seat Belt Assemblies AD/HU 369/66\n\nMain Rotor Retention Strap AD/HU 369/67 Amdt 1\n\nTail Rotor Drive Shaft Coupling AD/HU 369/68\n\nMain Transmission Output Shaft Assembly Ring Gear Carrier AD/HU 369/69 Amdt 1\n\nMain Transmission Tail Rotor Output Drive Pinion Shaft AD/HU 369/70\n\nTail Rotor Transmission Mounting Studs AD/HU 369/71\n\nHorizontal Stabilizer AD/HU 369/72\n\nTail Rotor Fork Bolt AD/HU 369/73\n\nParticle Separator Filter Bypass Door Latch AD/HU 369/74\n\nOuter Race of Overrunning Clutch Assembly - CANCELLED AD/HU 369/75\n\nEngine to Transmission Drive Shaft Couplings AD/HU 369/76 Amdt 1\n\nMain and Tail Rotor Control Tubes AD/HU 369/77\n\nFour Bladed Tail Rotor Hubs AD/HU 369/78\n\nTail Rotor Transmission Output Shaft Duplex Bearings AD/HU 369/79\n\nBolts in Main Transmission AD/HU 369/80\n\nTail Rotor Swashplate Bearing Set AD/HU 369/81\n\nRotor Blades AD/HU 369/82\n\nTail Rotor Blades AD/HU 369/83 Amdt 1\n\nTail Rotor Blades AD/HU 369/84\n\nMain Rotor Blade Root Replacement AD/HU 369/85 Amdt 1\n\nTail Rotor Blade Leading Edge Abrasion Strips - CANCELLED AD/HU 369/86 Amdt 1\n\nFuel Vent System AD/HU 369/87\n\nTailrotor Swashplate Locknut Lock Washer AD/HU 369/88\n\nMain Blade Root End AD/HU 369/89\n\nTail Rotor Blade Abrasion Strip AD/HU 369/90\n\n'Flight Trials' Hardpoints AD/HU 369/91\n\nMain Rotor Transmission - CANCELLED AD/HU 369/92\n\nMain Transmission Gear Replacement AD/HU 369/93\n\nMain Rotor Blade Doublers AD/HU 369/94 Amdt 2\n\nMain Rotor Transmission - Clutch Bearing - Outer Race Change AD/HU 369/95\n\nEngine Control and Warning Systems AD/HU 369/96 Amdt 1\n\nOverrunning Clutch Assembly AD/HU 369/97\n\nInput Shaft Coupling - Inspection AD/HU 369/98\n\nFour-Bladed Tail Rotor Fork AD/HU 369/99\n\nLife-limit of Pitch Control Components AD/HU 369/100\n\nOil Cooler Blower Bracket AD/HU 369/101\n\n  \nThruster Control Cables AD/HU 369/102\n\nTurbine Outlet Temperature Wire Harness AD/HU 369/103\n\nFuel Hose Connections AD/HU 369/104\n\nMain Rotor Blade Attach Pins AD/HU 369/105\n\nHelicopter Technology Main Rotor Blades AD/HU 369/106 Amdt 1\n\nCollective Pitch Mixer Bellcrank AD/HU 369/107\n\nTailboom Attachment AD/HU 369/108\n\nTail Rotor Gearbox Attachment AD/HU 369/109\n\nRescue Hoist AD/HU 369/110\n\nTail Rotor Blade Pitch Horn AD/HU 369/111\n\nMain Rotor Drive Shaft AD/HU 369/112\n\nMain Rotor Blade Torque Events and Life Limit AD/HU 369/113\n\nForward and Centre Thruster Control Cable Assemblies Connector AD/HU 369/114\n\nFuselage Station 75 Control Support Bracket Assembly AD/HU 369/115","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"The scope remains exactly as intended. This is a technical administrative exercise to re-enact existing safety requirements under current legislative authority. The document explicitly states that each attached Airworthiness Directive is being remade in 'exactly the same form' as the latest published edition. No expansion of regulatory scope has occurred."},"complexity_factors":["Single, clear purpose: administrative revocation and remaking of existing instruments","No substantive legal drafting in the instrument itself—all technical content is attached as separate documents (referenced but not reproduced)","Straightforward tabular schedule listing 115 items with simple metadata (name and number)","Minimal conditional logic: only simple 'revoke and remake' structure under one regulation","No definitions section, no interpretation provisions, no cross-references to other legislation beyond the enabling regulation (subregulation 39.001(1))","Some complexity in tracking amendment history (multiple 'Amdt' notations and 'CANCELLED' statuses) but this is historical metadata rather than operational complexity"],"plain_english_summary":"This CASA safety order revokes and immediately remakes 115 Airworthiness Directives for McDonnell Douglas (Hughes) and Kawasaki 369 series helicopters, keeping their technical content identical. It’s an administrative re-enactment to align older ADs with current regulatory form under the Civil Aviation Safety Regulations 1998.\n\nOwners, operators and maintenance engineers must continue to comply to keep affected helicopters legally airworthy; three ADs were cancelled outright as noted."},"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"This instrument does not change the substantive scope or technical requirements of the listed Airworthiness Directives. It revokes earlier instruments and re‑issues each AD in the same form as the latest published edition, so obligations on owners, operators and maintainers remain unchanged; the change is procedural/administrative (revocation clause; Note; Schedule 1)."},"complexity_factors":["Large volume of directives listed in Schedule 1 increases administrative and tracking burden for operators and regulators (Schedule 1).","Multiple entries show amendments and cancellations (e.g. 'Amdt' numbers, 'CANCELLED') which require cross‑checking historical versions (Schedule 1).","The instrument exercises delegated power under subregulation 39.001(1), concentrating decision authority in a CASA delegate (opening recital).","Note states each AD is re‑made in exactly the same form as the latest published edition, implying no substantive change but creating a legal replacement event (Note).","Technical diversity of the ADs (rotors, transmissions, controls, fuel systems, fittings, etc.) means varied operational compliance requirements across many maintenance domains (Schedule 1 list).","Revocation-and-remaking creates potential transitional or record‑keeping confusion for operators and certifying engineers who must map old instruments to new ones (revocation clause and Schedule 1).","Operator costs and compliance obligations remain in force and are borne by owners/operators and maintenance providers; the instrument does not create offsets or compensations (implied by nature of ADs listed)."],"plain_english_summary":"This instrument revokes a long list of existing Airworthiness Directives for McDonnell Douglas (Hughes) and Kawasaki 369 series helicopters and re‑issues each listed Directive as a separate, identical instrument. It is made by a delegate of the Civil Aviation Safety Authority under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998.\n\nIt affects helicopter owners, operators, maintenance organisations and approved engineers who must continue to meet the inspection, modification and replacement requirements in the listed Directives; the instrument is administrative and preserves the existing obligations."},"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-mcdonnell-douglas-hughes-and-kawasaki-369-seri","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-mcdonnell-douglas-hughes-and-kawasaki-369-seri/documents"}}