{"id":"F2006B07953","name":"Airworthiness Directives 2004 - Revocation and Remaking - Piper PA-23 (Apache and Aztec) Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":114991,"registerId":"commonwealth-F2006B07953-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-23 (Apache and Aztec) 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-23 (Apache and Aztec) Series Aeroplanes\n\nAD Name AD Number\n\nFlap Spar and Stabiliser Spar - Reinforcement AD/PA-23/1\n\nCANCELLED AD/PA-23/2\n\nMain Landing Gear Forgings and Wheels - Replacement AD/PA-23/3\n\nCANCELLED AD/PA-23/4\n\nMain Landing Gear Attachment Points - Modification AD/PA-23/5\n\nCANCELLED AD/PA-23/6\n\nCANCELLED AD/PA-23/7\n\nCANCELLED AD/PA-23/8\n\nCANCELLED AD/PA-23/9\n\nWing Front Spar Attachment Fitting - Reinforcement AD/PA-23/10\n\nCANCELLED AD/PA-23/11\n\nEmpennage - Inspection AD/PA-23/12 Amdt 1\n\nElevator Push-Pull Tube Rollers - Replacement AD/PA-23/13\n\nRudder Trim Tab Control Rod - Inspection AD/PA-23/14\n\nStabiliser Attachment Fittings - Replacement of P/N 17093-00 with P/N 17093-03 AD/PA-23/15\n\nRudder Trim Tab Adjustment Screw P/N 18453-00 - Replacement with P/N AD/PA-23/16\n\nGoodrich Wheel Assembly G-3-787 - Inspection AD/PA-23/17\n\nAileron Balance Weight Brackets - Reinforcement AD/PA-23/18\n\nElevator Control Tube Bellcrank Attachment - Modification AD/PA-23/19\n\nStabilator Tab Horn - Modification AD/PA-23/20\n\nCANCELLED AD/PA-23/21\n\nCANCELLED AD/PA-23/22\n\nRudder Tab Horn Bolt - Replacement AD/PA-23/23\n\nStabilator Tab Horn - Inspection AD/PA-23/24\n\nStarter Solenoid Circuit Protector AD/PA-23/25\n\nCANCELLED AD/PA-23/26\n\nWing Flaps - Inspection and Modification AD/PA-23/27\n\nExhaust System - Inspection AD/PA-23/28\n\nCANCELLED AD/PA-23/29\n\n  \nRudder Trim Tab Horn - Inspection AD/PA-23/30\n\nRudder Trim Tab Control Rod - Modification and Inspection AD/PA-23/31\n\nCabin Door Latch - Modification AD/PA-23/32 Amdt 2\n\nCANCELLED AD/PA-23/33\n\nCANCELLED AD/PA-23/34 Amdt 1\n\nStabiliser Attachment Fittings - Inspection AD/PA-23/35 Amdt 1\n\nEngine Mount - Inspection AD/PA-23/36 Amdt 1\n\nCANCELLED AD/PA-23/37 Amdt 1\n\nRear Fuselage - Inspection AD/PA-23/38\n\nCANCELLED AD/PA-23/39\n\nFront Spar - Inspection AD/PA-23/40 Amdt 1\n\nAuxiliary Front Spar - Inspection AD/PA-23/41\n\nAlternator Field Fuse - Installation AD/PA-23/42 Amdt 1\n\nCleveland Wheel/Brake Assembly - Inspection and Modification AD/PA-23/43 Amdt 1\n\nPitch Trim Switch - Modification AD/PA-23/44 Amdt 1\n\nEngine Control Support Bracket Assembly - Inspection AD/PA-23/45\n\nExhaust System - Inspection and Modification AD/PA-23/46\n\nFront Seat Restraint Installations - Modification AD/PA-23/47\n\nAlternate Air Induction Hose - Modification AD/PA-23/48\n\nStabilator Bungee - Installation AD/PA-23/49\n\nFlap Control System and Bellcrank - Inspection AD/PA-23/50 Amdt 1\n\nLanding Gear Selector Lever - Inspection AD/PA-23/51 Amdt 1\n\nNavigation Light Wiring Through Tip Tank - Inspection AD/PA-23/52\n\nFuel System - Placard Installation AD/PA-23/53\n\nWing Tip Fuel Tanks - Extra Drain Provision AD/PA-23/54\n\nFuel System - Inspection and Modification AD/PA-23/55\n\nFire-Proofing Turbo-Charger Oil Tanks in Engine Compartment AD/PA-23/56\n\nWing Leading Edge - Modification AD/PA-23/57\n\nUncoordinated Manoeuvres - Warning Placard AD/PA-23/58 Amdt 1\n\nWing Rear Spar - Inspection AD/PA-23/59\n\nStabilator Attachment Bolts - Inspection and Replacement AD/PA-23/60 Amdt 1\n\nFlap Outboard Hinges - Inspection and Replacement AD/PA-23/61 Amdt 2\n\nEngine Lower Air Scoops and Fairings - Fluid Drainage Provision AD/PA-23/62\n\nHeater Fuel Valve - Inspection AD/PA-23/63\n\nCaution Placard - Flight Director or AFCS Flux Sensor - Installation AD/PA-23/64\n\nAutomatic Pilot Roll Servo Shear Pin - Installation AD/PA-23/65\n\n  \nWing Structural Fatigue Limitation AD/PA-23/66 Amdt 2\n\nThrottle Control Shaft AD/PA-23/67\n\nFuel Selector Valve - Inspection AD/PA-23/68\n\nStabilator Tab - Modification AD/PA-23/69\n\nStabilator Tip Tube and Weight Assembly - Inspection and Modification AD/PA-23/70 Amdt 1\n\nEmergency Gear Extension System - Inspection AD/PA-23/71\n\nAuto Pilot Servo Bridle Clamp Bolt Torque - Modification AD/PA-23/72\n\nStabilator Tab Horn - Replacement AD/PA-23/73\n\nStabilator Trim Control Rod to Tab Attachment - Inspection AD/PA-23/74\n\nRudder Upper and Lower Hinge Attachments - Inspection AD/PA-23/75 Amdt 1\n\nFuel System Control Cables - Inspection AD/PA-23/76 Amdt 1\n\nForward Baggage Door Locking System - Inspection and Modification AD/PA-23/77 Amdt 1\n\nHose Assembly - Inspection and Replacement AD/PA-23/78 Amdt 1\n\nStabilator Assembly Lower Surface - Inspection AD/PA-23/79\n\nFuel Line and Electrical Harness - Inspection AD/PA-23/80\n\nFuselage - Step Attachment Area - Inspection AD/PA-23/81\n\nFlap Spar Hinge Attachment Areas - Inspection AD/PA-23/82\n\nHeater Fuel Regulator Valve Shroud - Drain Modification AD/PA-23/83\n\nExhaust System - Inspection and Modification AD/PA-23/84\n\nHydraulic Hose Inspection AD/PA-23/85\n\nAmmeter Cable Clamp - Inspection and Replacement AD/PA-23/86\n\nEngine Air Filter AD/PA-23/87\n\nAircraft Flight Manual, Flight into Icing Conditions AD/PA-23/88 Amdt 1\n\nFlap Control Torque Tube AD/PA-23/89","sortOrder":0}],"analysis":{"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":3,"scope_assessment":{"changed":false,"description":"The instrument explicitly states it is remaking directives \"in exactly the same form\" as the latest published edition. This is a pure re-authorisation exercise with no expansion of scope."},"complexity_factors":["Simple, single-purpose instrument with clear structure (revocation + remaking)","No defined terms section — relies on standard aviation terminology","No conditional logic or nested exceptions in the instrument itself","Cross-references limited to Schedule 1 table and subregulation 39.001(1) of CASR 1998","Substantive technical content contained in attached (but not reproduced) ADs — the instrument itself is purely procedural","Straightforward tabular format in Schedule 1 listing 89 items with binary status (active vs cancelled)"],"plain_english_summary":"This CASA Airworthiness Directive revokes and immediately remakes 89 existing ADs affecting Piper PA-23 Apache and Aztec aircraft, refreshing their legal status without changing technical requirements. It’s a housekeeping exercise: obligations for owners, operators, and maintenance engineers remain the same, but the directives are reissued as current, enforceable instruments (some outdated ADs are cancelled). Compliance responsibilities continue unchanged."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"The instrument does not change the substantive scope of the affected ADs: each directive is remade in the same form as previously published. The legal form is updated (revocation and separate remaking), but the safety requirements and the classes of affected aircraft, owners and maintenance providers remain the same; some ADs are marked cancelled."},"complexity_factors":["Large number of ADs listed (many specific items across structural, systems and equipment areas) increases administrative volume","Mix of active, amended and explicitly cancelled ADs requires careful tracking of operative instruments","Several ADs carry amendment notations (Amdt 1, Amdt 2) creating layered historical versions to reconcile","Measures are technical (inspections, replacements, modifications) so compliance needs specialist maintenance resources","Legal action is taken under a delegated power (subregulation 39.001(1)), so there is concentrated bureaucratic discretion","Revocation-and-remaking is administrative only (no substantive change claimed), but reissuance can affect enforcement records and operator obligations"],"plain_english_summary":"This instrument revokes a long list of Airworthiness Directives (ADs) for Piper PA-23 (Apache and Aztec) aeroplanes and remakes each AD as a separate instrument in the same form. It affects aircraft owners, operators and maintenance organisations who must comply with the ADs’ inspection, modification or replacement requirements. It matters because it preserves mandatory safety and maintenance obligations while shifting the administrative form of the directives; compliance costs fall on operators and maintenance providers and CASA retains decision-making discretion under subregulation 39.001(1)."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-piper-pa-23-apache-and-aztec-series-aeroplanes/documents"}}