{"id":"F2006B07958","name":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-31 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114999,"registerId":"commonwealth-F2006B07958-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-31 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\nPiper PA-31 Series Aeroplanes\n\nAD Name AD Number\n\nNose Landing Gear Idler Link Assembly - Modification AD/PA-31/1\n\nElectric Wiring and Fuel Crossfeed Line - Inspection and Modification AD/PA-31/2\n\nAileron Cable - Inspection AD/PA-31/3\n\nElevator Torque Tube - Inspection AD/PA-31/4 Amdt 1\n\nCANCELLED AD/PA-31/5\n\nAttachment Of Rudder Tab Hinge Brackets - Modification AD/PA-31/6\n\nElevator Control System - Inspection AD/PA-31/7\n\nWing Leading Edge Stall Strips - Installation AD/PA-31/8\n\nMLG Doors - Inspection - CANCELLED AD/PA-31/9\n\nStall Strip - Inspection AD/PA-31/10\n\nAft Facing Seats - Modification AD/PA-31/11\n\nEngine Control System - Inspection and Modification AD/PA-31/12\n\nRudder and Elevator Spar Assemblies - Inspection AD/PA-31/13\n\nBattery Drain - Relocation AD/PA-31/14\n\nAlternator Field Fuse - Installation AD/PA-31/15\n\nPitch Trim Switch - Modification AD/PA-31/16 Amdt 1\n\nCANCELLED AD/PA-31/17\n\nFront Seat Restraint Installations - Modification AD/PA-31/18\n\nFlap Track and Rudder Tip Rib Assemblies - Inspection AD/PA-31/19\n\nLanding Gear Emergency Extension Operation Placard - Replacement AD/PA-31/20\n\nRudder and Nose Gear Steering Cable Assemblies - Inspection and Replacement AD/PA-31/21 Amdt 3\n\nAlternator Switch and Circuit Breaker Panel Wiring - Inspection AD/PA-31/22\n\nNever Exceed Speed - Limitations - CANCELLED AD/PA-31/23\n\nRudder Control Cables - Inspection AD/PA-31/24 Amdt 1\n\nControl Shaft Collar - Modification AD/PA-31/25 Amdt 1\n\nUncoordinated Manoeuvres - Warning Placard AD/PA-31/26 Amdt 1\n\nUncoordinated Manoeuvres - Warning Placard - CANCELLED AD/PA-31/27\n\nControl Attachment Ball Joints - Inspection AD/PA-31/28\n\nElevator Balance Weight Attach Bolts - Inspection AD/PA-31/29\n\n  \nRudder and Nose Gear Steering Cable - Inspection AD/PA-31/30\n\nSubmerged Fuel Pumps - Inspection AD/PA-31/31\n\nElectrical Power Indicators - Modification AD/PA-31/32\n\nExhaust System Couplings - Inspection - CANCELLED AD/PA-31/33\n\nBonding Parts - Modification AD/PA-31/34\n\nHeater Fuel Manual Shut-Off Valve - Removal AD/PA-31/35\n\nElevator Control Tube - Inspection AD/PA-31/36\n\nAirframe Retirement Lives AD/PA-31/37 Amdt 10\n\nHeater Solenoid Shut-Off Valve - Modification AD/PA-31/38\n\nPropeller Feather Assist Spring - Installation AD/PA-31/39\n\nLanding Gear Selector Cable Attachment Pin AD/PA-31/40 Amdt 1\n\nExhaust Tailpipe Support Bracket - Installation AD/PA-31/41\n\nAirspeed Placard - Installation AD/PA-31/42 Amdt 2\n\nAlternate Air Door Magnetic Catch - Replacement/Modification AD/PA-31/43\n\nFlap Control System - Inspection - CANCELLED AD/PA-31/44\n\nBattery Drain - Relocation AD/PA-31/45\n\nExhaust System - Modification AD/PA-31/46\n\nElevator Balance Weight - Modification AD/PA-31/47\n\nAlternator Switch Bus Bar Link Insulation - Modification AD/PA-31/48\n\nElevator Hinge System - Modification AD/PA-31/49\n\nHorizontal Stabiliser Stringer Attachment - Inspection AD/PA-31/50\n\nFlap Transmission - Inspection AD/PA-31/51 Amdt 1\n\nReplacement of Radio Power Relay Cover Spacer Bushings AD/PA-31/52\n\nExhaust Transition Coupling - Retirement Life AD/PA-31/53\n\nTurbine Tailpipe Coupling - Replacement AD/PA-31/54\n\nLower Inboard R.H. Wing Surface - Inspection AD/PA-31/55\n\nAircraft Data Plate - Inspection and Replacement AD/PA-31/56\n\nElevator Balance Weights - Inspection AD/PA-31/57\n\nAuto Pilot Servo Bridle Clamp Bolt Torque - Modification AD/PA-31/58\n\nHorizontal Stabiliser and Vertical Fin Stringer Attach Rivets - Inspection AD/PA-31/59 Amdt 1\n\nFlap Solenoid - Repositioning AD/PA-31/60 Amdt 1\n\nElevator Bell Crank and Control Rod - Inspection AD/PA-31/61\n\nFlap Operation Placard - Installation AD/PA-31/62\n\nCANCELLED AD/PA-31/63\n\nFuel Selector Lever Assemblies - Inspection AD/PA-31/64\n\nCabin Door Latch - Modification AD/PA-31/65\n\n  \nNose Landing Gear Wheel - Inspection AD/PA-31/66\n\nGoodyear Fuel Cells - Inspection AD/PA-31/67\n\nAir Control Cable - Modification AD/PA-31/68\n\nFuel System Control Cables - Inspection AD/PA-31/69\n\nElevator Outboard Hinge Bracket Rivets - Replacement AD/PA-31/70\n\nForward Baggage Door Locking System - Inspection and Modification AD/PA-31/71 Amdt 1\n\nLanding Gear Actuating Cylinder Rod End Bearing Assembly - Inspection AD/PA-31/72\n\nElevator Cable - Inspection and Modification AD/PA-31/73\n\nHose Assembly - Inspection and Replacement AD/PA-31/74 Amdt 1\n\nKing KFC 300 Autopilot Yaw Bridle Cable Clamps - Replacement AD/PA-31/75\n\nElevator Down Spring AD/PA-31/76 Amdt 5\n\nFuel Crossfeed Valve - Inspection AD/PA-31/77 Amdt 1\n\nTurbocharger Exhaust Couplings AD/PA-31/78 Amdt 5\n\nControl Wheel Control Shaft Tube - Inspection AD/PA-31/79\n\nElevator Control Stop - Inspection AD/PA-31/80\n\nHeater Fuel Drain Hose - Modification AD/PA-31/81\n\nRudder and Aileron Trim Tab Attachment - Inspection AD/PA-31/82\n\nOil And Manifold Pressure Tubes - Inspection AD/PA-31/83 Amdt 1\n\nElevator Structure - Inspection and Modification AD/PA-31/84\n\nCigar Lighters - Disconnection AD/PA-31/85\n\nScott Fuel Selector Valve and Cable AD/PA-31/86 Amdt 2\n\nElectroluminescent Panel Inverters AD/PA-31/87\n\nFuselage Fatigue Life Limitation - CANCELLED AD/PA-31/88 Amdt 3\n\nElevator Torque Tube Attachment AD/PA-31/89\n\nRudder Trim Mechanism AD/PA-31/90\n\nOutboard Flap Track Attachment AD/PA-31/91 Amdt 1\n\nElevator Balance Weight AD/PA-31/92\n\nMain Landing Gear Inboard Door Hinge AD/PA-31/93 Amdt 2\n\nFuselage Bulkhead at STA.317.5 AD/PA-31/94 Amdt 2\n\nElevator Bellcrank Assembly AD/PA-31/95\n\nEngine Baffle Seals AD/PA-31/96 Amdt 1\n\nHorizontal Stabiliser and Elevator Outboard Hinge AD/PA-31/97 Amdt 2\n\nCleveland Nose Wheel P/N 40-76b - Inspection - CANCELLED AD/PA-31/98\n\nElevator Control Tube AD/PA-31/99 Amdt 1\n\nFuel Scavenge Pump Check Valves AD/PA-31/100\n\nFlap Travel Restriction and Wing Flap Flexible Drive Shaft AD/PA-31/101 Amdt 3\n\n  \nFlap Travel Restriction and Wing Flap Flexible Drive Shaft AD/PA-31/102 Amdt 2\n\nHeater Air Distribution Box Thermal Switch AD/PA-31/103\n\nElevator Outboard Hinge Installation AD/PA-31/104\n\nEmergency Exit Window - Modification AD/PA-31/105\n\nFuselage Station 332.0 Bulkhead AD/PA-31/106 Amdt 2\n\nFuel Quantity Placards AD/PA-31/107\n\nAft Bulkhead, Fuselage Stn. 332.0 AD/PA-31/108\n\nLanding Gear Upper Bearing Retaining Pins and Strut Assemblies AD/PA-31/109\n\nEmergency Electrical Fuel Pumps AD/PA-31/110 Amdt 3\n\nHydraulic Hose AD/PA-31/111\n\nCrossover Fuel Line AD/PA-31/112\n\nElevator Hinge AD/PA-31/113 Amdt 1\n\nMain Landing Gear Forward Side Brace AD/PA-31/114 Amdt 3\n\nMain Landing Gear Forward Side Brace (PA-31T3) AD/PA-31/115 Amdt 1\n\nMain Landing Gear Downlock Cable AD/PA-31/116\n\nElevator Spar, False Spar and Butt Rib AD/PA-31/117\n\nAileron Spar AD/PA-31/118 Amdt 1\n\nAileron Control System AD/PA-31/119\n\nMLG Actuator Reinforcement Bracket AD/PA-31/120 Amdt 1\n\nElevator Control System AD/PA-31/121 Amdt 1\n\nWing Spar Splice Plate AD/PA-31/122 Amdt 1\n\nWing Spar Splice Plate (Navajo) AD/PA-31/123\n\nWing Spar Splice Plate (Chieftain) AD/PA-31/124\n\nElectrical Wiring and Fuel Line Chafing AD/PA-31/125\n\nElevator Spar AD/PA-31/126 Amdt 3\n\nAircraft Flight Manual, Flight into Icing Conditions AD/PA-31/127 Amdt 1\n\nOperation of Deicing Boots AD/PA-31/128\n\nElevator Structure AD/PA-31/129 Amdt 1\n\nRudder Torque Tube Assembly and Rudder Rib AD/PA-31/130","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument maintains the exact same scope as the original Airworthiness Directives. It is purely a procedural remaking exercise to ensure legal continuity under the Civil Aviation Safety Regulations 1998. The document explicitly states that each AD is re-made 'in exactly the same form as appears in the latest published edition of the Directive.' No expansion of scope has occurred."},"complexity_factors":["Simple, standardised administrative structure: single operative clause with two limbs (revocation and remaking)","No conditional logic or nested exceptions in the instrument itself","Content consists entirely of a schedule listing 130 items with minimal descriptive text","Cross-references are limited to the enabling regulation (subregulation 39.001(1)) and the attached ADs (which are not reproduced in full)","No defined terms section within this instrument (relies on external definitions in the parent regulations)","Straightforward tabular format for Schedule 1","Note clarifies that substantive content remains unchanged"],"plain_english_summary":"CASA has revoked and re-made 130 existing Airworthiness Directives for Piper PA‑31 series aeroplanes (Navajo/Chieftain), cancelling the old instruments and issuing them anew in exactly the same form. These mandatory safety rules — covering landing gear, controls, fuel, exhaust, structures, etc. — continue to bind owners, operators, maintenance organisations and pilots in Australia. This is administrative housekeeping to refresh legal validity under current regulations, not a change to safety requirements."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive scope or requirements of the listed ADs. It revokes and re‑issues each AD in the same form, preserving existing obligations while altering the legal/administrative form of those directives."},"complexity_factors":["Large number of individual ADs listed (many items to track)","Some ADs show amendment histories and some are marked CANCELLED, requiring attention to status","Administrative action rather than substantive change: legal form changes may require administrators and operators to update records","Cross-references to the Civil Aviation Safety Regulations (subregulation 39.001(1)) determine authority and process","Potential operational complexity for operators and maintenance organisations to confirm unchanged obligations across multiple instruments"],"plain_english_summary":"This instrument formally revokes the long list of Airworthiness Directives (ADs) that apply to Piper PA‑31 series aeroplanes and re‑makes each AD as a separate instrument in exactly the same form. The action is taken by a delegate of the Civil Aviation Safety Authority under *subregulation 39.001(1)*.\n\nIt affects PA‑31 owners, operators and maintenance organisations who must continue to comply with the unchanged ADs; compliance costs fall to those operators and maintenance providers. Mechanically, the change is administrative (revocation and re‑issuance) rather than substantive."},"flash_summary_failed":{"failed":true,"reason":"Unauthenticated. Configure AI_GATEWAY_API_KEY or use a provider module. Learn more: https://ai-sdk.dev/unauthenticated-ai-gateway","source":"analysis-cron"}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-31-series-aeroplanes/documents"}}