{"id":"F2006B07789","name":"Airworthiness Directives 2004 - Revocation and Remaking - Cessna 120 and 140 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50607,"registerId":"commonwealth-F2006B07789-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 120 and 140 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 120 and 140 Series Aeroplanes\n\nAD Name AD Number\n\nCigar Lighter Wiring AD/CESSNA 120/1\n\nRudder Bar Control Cable Horns AD/CESSNA 120/2\n\nElevator Spar Web Hinges AD/CESSNA 120/3\n\nAileron Support Ribs AD/CESSNA 120/4\n\nFuselage Rear Bulkhead AD/CESSNA 120/5\n\nHorizontal Stabiliser to Fin Post Attachment AD/CESSNA 120/6\n\nMet-Co-Aire Tricycle Landing Gear AD/CESSNA 120/7\n\nForward Door Posts AD/CESSNA 120/8\n\nWing Drag Wire System AD/CESSNA 120/9\n\nFuel selector valve AD/CESSNA 120/10\n\nPrimer Line AD/CESSNA 120/11\n\nCarburettor and Cabin air heater muffs AD/CESSNA 120/12\n\nUpper Shoulder Harness Adjuster Spring AD/CESSNA 120/13","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument maintains exactly the same scope as the original directives. The note explicitly states each directive is being remade \"in exactly the same form as appears in the latest published edition.\" This is a pure re-enactment exercise to ensure legal validity under current regulations, not an expansion of regulatory scope."},"complexity_factors":["Very short instrument (under 300 words)","Only one substantive section with two simple actions (revoke and remake)","No defined terms requiring interpretation","No conditional logic or nested exceptions","Straightforward tabular schedule listing 13 items","Single cross-reference to subregulation 39.001(1) of CASR 1998 (the enabling power)","No amendments, transitional provisions, or application sections"],"plain_english_summary":"This decision cancels 13 existing Airworthiness Directives for Cessna 120/140 series aircraft and reissues them as new, separate legal instruments. It affects owners, operators, maintenance engineers and CASA by formally preserving existing mandatory inspection and repair requirements under the Civil Aviation Safety Regulations 1998.\n\nSubstantively nothing changes—the directives are remade \"in exactly the same form\" as a legal housekeeping step to ensure continued enforceability."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"No substantive scope change. The instrument revokes listed ADs and remakes each 'in exactly the same form' (Note), so technical requirements and compliance obligations remain unchanged; the change is procedural/administrative (see clauses (a)–(b) and Schedule 1)."},"complexity_factors":["Delegated administrative power is exercised under CASR subregulation 39.001(1) (source: instrument heading and opening recital).","Operation is procedural: the instrument revokes and remakes listed ADs rather than changing their substance — clause (a) and (b) and the Note state ADs are remade 'in exactly the same form'.","Multiple listed ADs (13 items in Schedule 1) require separate re-issuance as standalone instruments, increasing administrative tasks for the regulator and recipients (Schedule 1).","Who pays / compliance burden: owners, operators and maintainers of Cessna 120/140 bear any administrative costs of replacing records and continuing to comply with the same AD requirements (implicit from the revocation/remaking action).","Discretion and legal effect: the delegate is formalising existing obligations rather than creating new regulatory discretion; substantive compliance duties remain governed by the separately attached ADs (see clauses (a)–(b) and the Note).","Implementation risk/opportunity cost: small administrative burden on CASA and affected parties to issue, file and reference separate instruments; technical content must be consulted in the attached ADs for operational detail."],"plain_english_summary":"This instrument revokes a set of Airworthiness Directives (ADs) applying to Cessna 120 and 140 series aircraft and reissues each AD as a separate, identical legal instrument under CASR subregulation 39.001(1). It affects owners, operators and maintenance organisations by preserving existing mandatory safety requirements in standalone form; the technical obligations remain the same while the administrative form and record-keeping are changed."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-cessna-120-and-140-series-aeroplanes/documents"}}