{"id":"F2006B07845","name":"Airworthiness Directives 2004 - Revocation and Remaking - Douglas DC3 Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50789,"registerId":"commonwealth-F2006B07845-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 - Douglas DC3 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\nDouglas DC3 Series Aeroplanes\n\nAD Name AD Number\n\nWing Tip Root Reinforcement AD/DC3/1\n\nRudder Hinge Bracket Rivet - Replacement AD/DC3/2\n\nRudder Pedal Slide Tube Support - Modification AD/DC3/3\n\nEngine Section Throttle Control Rod - Replacement AD/DC3/4 Reissue\n\nCANCELLED AD/DC3/5\n\nCANCELLED AD/DC3/6\n\nCANCELLED AD/DC3/7\n\nFire Extinguisher Release Cable Conduit - Replacement AD/DC3/8 Reissue\n\nAutomatic Pilot Control Handle - Modification AD/DC3/9\n\nRear Luggage Compartment Tie Down Fittings - Modification AD/DC3/10\n\nTailplane Rib - Modification AD/DC3/11\n\nOil Dilution Unit - Modification AD/DC3/12 Reissue\n\nFlap Adjustment AD/DC3/13\n\nFuel Tank Filler Cap - Modification AD/DC3/14 Reissue\n\nEngine Nacelle Fire Protection - Modifications AD/DC3/15 Amdt 2\n\nFlexible Hose - Replacement AD/DC3/16 Reissue\n\nElevator Tab Control Horn - Inspection AD/DC3/17\n\nFlap Mechanism Attachment Angle - Inspection AD/DC3/18\n\nAileron Trim Tab Control Rod - Inspection AD/DC3/19\n\nElevator Hinge Bracket - Inspection AD/DC3/20\n\nInstrument Panel Junction Box - Inspection AD/DC3/21\n\nCANCELLED AD/DC3/22\n\nSuperseded by AD/DC3/26 - CANCELLED AD/DC3/23\n\nDME rial Installation - Modification AD/DC3/24\n\nOuter Aileron Hinge and Associated Structure - Inspection - CANCELLED AD/DC3/25\n\nWing Centre Section Structure at Stn 141-142 - Inspection and Modification AD/DC3/26 Amdt 2\n\nCrew Compartment Acoustic Treatment - Restoration AD/DC3/27\n\nHydraulic System - Modification AD/DC3/28 Reissue\n\nLower Centre Section Skin and Structure AD/DC3/29 Amdt 4\n\n  \nFront (Pilots) Seats Restraint Installations - Modification AD/DC3/30\n\nUndercarriage Y Brace Fitting - Inspection AD/DC3/31 Amdt 2\n\nElevator Control System - Inspection AD/DC3/32\n\nSupplemental Inspection Program AD/DC3/33\n\nAircraft Flight Manual, Flight into Icing Conditions AD/DC3/34 Amdt 1","sortOrder":0}],"analysis":{"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument appears to be administrative: it revokes a list of existing Airworthiness Directives and re‑makes each one \"in exactly the same form\" as the latest published edition. It does not introduce new substantive requirements or expand the regulator's powers in the text provided. Some entries in Schedule 1 are labelled \"CANCELLED\" or \"Superseded\" — those labels change the applicable obligations for particular ADs, but those changes appear to reflect prior substantive actions (cancellations or supersessions) rather than an expansion of scope by this revocation/remaking exercise. The primary effect is to republish the ADs as separate, identifiable legal instruments, improving administrative clarity rather than altering regulatory scope."},"complexity_factors":["Short, single‑page instrument with a clear single action (revocation and re‑making) rather than multiple operational rules","Schedule 1 lists ~34 named AD entries for the Douglas DC3 series (multiple items increases administrative work even though substance is unchanged)","Several entries annotated with status flags: \"Reissue\", \"Amdt\" (amendment), \"CANCELLED\", and one note \"Superseded by AD/DC3/26\" (requires users to check individual AD status)","Relies on external texts: each re‑made AD is said to be in the same form as the \"latest published edition\" of that Directive (cross‑reference to publications outside the instrument)","Authority references a separate regulation (subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998), creating a statutory link to other law","Attachments are referenced (each AD is attached as a separate instrument), so the full legal content is in those attachments rather than in the body of this instrument"],"plain_english_summary":"**What this instrument does (mechanically)\n\n- The delegate of the Civil Aviation Safety Authority (CASA) uses the power in subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 to revoke a list of Airworthiness Directives (ADs) for Douglas DC3 series aeroplanes and to re‑make each one as a separate legal instrument. The revoked ADs are those listed in Schedule 1 of the instrument.\n- The instrument states each attached AD is being re‑made \"in exactly the same form as appears in the latest published edition of the Directive.\" In short: the same safety requirements are reissued as individual AD instruments rather than left in their prior compilation.\n\nWho this affects\n\n- Owners and operators of Douglas DC3 series aircraft registered in Australia. ADs are mandatory safety orders (they require inspections, repairs, part replacements or modifications), so affected parties must comply.\n- Maintenance organisations, licensed aircraft engineers and parts suppliers who carry out the work required by the ADs.\n- CASA and its delegates, who administratively manage, record and enforce compliance with these ADs.\n\nWhy it matters (purpose claim, then practical effects)\n\n- Purpose claim in the instrument: to revoke listed ADs and re‑make each as a separate instrument in the same form as the latest published editions (this is an administrative step).\n- Practical effect: there is no stated change to the substantive safety requirements; operators continue to be bound by the same inspections, modifications and replacements required by each AD. The change is primarily administrative — ADs are published as distinct legal instruments rather than as entries in a single consolidated document.\n\nCosts, incentives and implementation considerations\n\n- Who pays: Owners/operators pay the direct costs of complying with each AD (labour, replacement parts, downtime). Maintenance organisations incur operational costs to perform required work.\n- Who decides: CASA (through its delegate) decides which ADs are revoked and re‑made and the exact text of each reissued AD (see subregulation 39.001(1) cited in the instrument).\n- Behavioural effects: Operators must continue to follow the ADs and may need to recheck records to ensure compliance with the reissued instruments; maintenance scheduling and procurement of parts may be required.\n- Concentrated benefits: Maintenance and parts suppliers may receive more work from AD compliance. CASA gains clearer, separately‑identifiable legal instruments for enforcement and recordkeeping.\n- Diffuse costs: All DC3 operators absorb compliance costs that are spread across a small fleet (DC3s are a small, specialised segment); for each operator the cost can be non‑trivial relative to their operating budgets.\n- Compliance risk and administrative burden: Republishing as separate instruments could reduce ambiguity but may temporarily increase administrative work for operators and regulators (updating manuals, compliance records, and checking which ADs have been cancelled or superseded).\n- Implementation risks: Potential for short‑term confusion if operators rely on an older consolidated publication; some entries in Schedule 1 are marked \"CANCELLED\", \"Reissue\", \"Amdt\" or \"Superseded\", so operators must check the current status of each specific AD to know whether an active requirement remains.\n\nConcrete mechanics to watch (sources cited)\n\n- The instrument is exercised under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998 (this is the legal source of the delegate's authority).\n- Schedule 1 enumerates the affected ADs (many are individually titled, and some show status notes such as \"Reissue\", \"Amdt\", \"CANCELLED\" or \"Superseded by AD/DC3/26\"). Operators should consult the attached AD texts or the latest published editions referenced, because the instrument states each AD is remade \"in exactly the same form\" as those editions.\n\nNet takeaway\n\n- This is an administrative republishing: the CASA delegate revoked a list of Douglas DC3 ADs and re‑made each as a separate legal instrument, without changing the substantive wording of those ADs. Operators must ensure they are complying with the currently published versions of each AD and update their records and maintenance plans accordingly (Schedule 1 lists which ADs are affected and flags cancellations, reissues and amendments)."},"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 legislation maintains its original scope precisely. The note explicitly states each directive is \"being re-made in exactly the same form as appears in the latest published edition.\" This is purely administrative — consolidating the legal instrument structure without expanding, contracting, or altering the substantive safety requirements."},"complexity_factors":["Single operative provision with two clear actions (revoke and remake)","34 items in schedule but presented as simple tabular list","No defined terms section — relies on external knowledge of \"Airworthiness Directive\" and \"Civil Aviation Safety Regulations 1998\"","No conditional logic or nested exceptions — straightforward administrative remaking","Cross-reference only to subregulation 39.001(1) (empowering provision)","Note clarifies no substantive change, reducing interpretive burden","Visual element (signature block and image reference) but no complex formatting"],"plain_english_summary":"This CASA order revokes 34 existing Airworthiness Directives for Douglas DC‑3 aircraft and reissues them as 34 standalone legal instruments. It’s an administrative re‑making of mandatory safety rules that affect DC‑3 owners, operators and maintenance personnel in Australia.\n\nSubstantively nothing changes—the ADs are reissued “in exactly the same form,” though six listed ADs are cancelled. The exercise preserves current mandatory inspections, repairs and modifications for this vintage aircraft type."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-douglas-dc3-series-aeroplanes/documents"}}