{"id":"F2006B07792","name":"Airworthiness Directives 2004 - Revocation and Remaking - Cessna 177 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50617,"registerId":"commonwealth-F2006B07792-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 - Cessna 177 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\nCessna 177 Series Aeroplanes\n\nAD Name AD Number\n\nWing Flap System - CANCELLED AD/CESSNA 177/1\n\nFlap Extension - CANCELLED AD/CESSNA 177/2 Amdt 1\n\nStabilator Slot AD/CESSNA 177/3\n\nFuel Tank Vent Line - CANCELLED AD/CESSNA 177/4\n\nPneumatic Stall Warning System AD/CESSNA 177/5 Amdt 2\n\nOil Pressure Gauge Line - CANCELLED AD/CESSNA 177/6\n\nFuel Shut-Off Valve - CANCELLED AD/CESSNA 177/7\n\nControl Systems AD/CESSNA 177/8\n\nFuel Quantity Transmitter AD/CESSNA 177/9\n\nFlap Actuator - CANCELLED AD/CESSNA 177/10\n\nStabilator Attachment Angles AD/CESSNA 177/11 Amdt\n\nUpper Door Pillar AD/CESSNA 177/12 Amdt\n\nFront Seat Restraint Installations AD/CESSNA 177/13\n\nStabilator Spar - CANCELLED AD/CESSNA 177/14\n\nVertical Fin Forward Attachment Bulkhead AD/CESSNA 177/15\n\nOil Pressure Gauge Line AD/CESSNA 177/16\n\nStabilator AD/CESSNA 177/17\n\nThrottle Control Support Bracket Attachment AD/CESSNA 177/18\n\nAir Filter Seal AD/CESSNA 177/19\n\nLanding Gear Hydraulic Line AD/CESSNA 177/20\n\nNose Landing Gear Upper Support Locknut AD/CESSNA 177/21\n\nNose Landing Gear Rod End AD/CESSNA 177/22\n\nStabilator Trim Actuator Attach Bolt AD/CESSNA 177/23\n\nFuel Quantity Transmitter AD/CESSNA 177/24\n\nCigar Lighter Wiring AD/CESSNA 177/25\n\nVented Fuel Caps AD/CESSNA 177/26 Amdt\n\nFlying Control System Turnbuckles AD/CESSNA 177/27\n\nFuel Cap Alignment Placard AD/CESSNA 177/28\n\nSeat Adjustment Mechanism AD/CESSNA 177/29 Amdt\n\nWing Main Spar Carry-Through Section AD/CESSNA 177/30 Amdt\n\nFuel Selector Valve AD/CESSNA 177/31\n\nFuel Strainer AD/CESSNA 177/32\n\nUpper Shoulder Harness Adjuster Spring AD/CESSNA 177/33","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":4,"scope_assessment":{"changed":false,"description":"Scope has not been substantively changed by this instrument. The delegate revokes the listed ADs and reissues each as a separate instrument 'in exactly the same form as appears in the latest published edition of the Directive,' so existing obligations and the set of affected AD topics remain the same. Entries marked 'CANCELLED' stay cancelled as listed in Schedule 1."},"complexity_factors":["Number of directives involved: 33 listed AD items for one aircraft type (AD/CESSNA 177/1 through /33) increases administrative scope and record-keeping complexity (Schedule 1).","Mixture of statuses: several entries are marked 'CANCELLED' while others are remade or carry amendment numbers (e.g. 'Amdt', 'CANCELLED'), requiring users to distinguish which instruments remain operative (Schedule 1).","Legal mechanism is procedural: the instrument both revokes and re-makes instruments under a delegated power, so legal effect depends on correct issuance and attachment handling (instrument text: 'acting under subregulation 39.001 (1)'; operative paragraphs (a)–(b)).","Substantive obligations are not reproduced in this instrument but in attached ADs; affected parties must consult each attached re-made AD to determine specific compliance duties (note: 'Each attached Airworthiness Directive is being re-made in exactly the same form...').","Versioning and amendments: several ADs are listed with amendment identifiers (e.g. 'Amdt 1', 'Amdt 2'), so operators must track the correct amendment of each re-made AD to ensure compliance (Schedule 1 entries).","Delegated decision-making: the action is taken by a CASA delegate rather than primary legislation, concentrating administrative discretion in the delegate's exercise of subregulation 39.001(1) (opening recital)."],"plain_english_summary":"This instrument, signed by a CASA delegate under subregulation 39.001(1), revokes a set of Airworthiness Directives (ADs) for Cessna 177 series aeroplanes and reissues each as separate instruments, unchanged from their latest published editions. It affects owners, operators and maintenance organisations responsible for Cessna 177 compliance by preserving or clarifying each AD's legal form; compliance obligations remain as set out in the re-made ADs. The measure is administrative: it changes the instruments' legal packaging, not their substantive content."},"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":2,"scope_assessment":{"changed":false,"description":"This is a straightforward revocation and remaking exercise under CASA's standard administrative powers. The scope remains exactly as intended: maintaining the currency of existing airworthiness requirements for a specific aircraft type. No expansion of regulatory reach or substantive amendment to safety standards."},"complexity_factors":["Very short instrument (under 500 words)","No defined terms section — relies on external understanding of 'Airworthiness Directive' and aircraft terminology","Simple binary structure: revoke list in Schedule 1, then remake attached instruments","No conditional logic or nested exceptions","Cross-references limited to subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 (a single, clear delegation provision)","Tabular schedule is purely descriptive, not operative","Attached ADs referenced but not reproduced in the legislative text itself"],"plain_english_summary":"CASA revokes 33 old Airworthiness Directives for Cessna 177 series aircraft and immediately remakes most of them in the same form so the safety requirements remain legally valid. Eight ADs are permanently cancelled because their issues are resolved or superseded, while the rest continue as enforceable obligations.\n\nThis affects owners, operators and maintenance organisations of Cessna 177/177A/177B/177RG aircraft: compliance with the remade ADs remains mandatory to keep those aeroplanes legally airworthy."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-177-series-aeroplanes/documents"}}