{"id":"F2006B07828","name":"Airworthiness Directives 2004 - Revocation and Remaking - DH 82 (Tiger Moth) Series Aeroplanes","slug":"airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":50733,"registerId":"commonwealth-F2006B07828-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 - DH 82 (Tiger Moth) 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\nDH 82 (Tiger Moth) Series Aeroplanes\n\nAD Name AD Number\n\nUndercarriage Strut - Modification AD/DH 82/1\n\nFuel Cock Control Lever - Modification AD/DH 82/2 Amdt 1\n\nRudder Bar Attachment Spigot - Modification AD/DH 82/3\n\nQ Type Harness - Modification AD/DH 82/4\n\nCANCELLED AD/DH 82/5\n\nCANCELLED AD/DH 82/6\n\nCANCELLED AD/DH 82/7\n\nSeat Restraint Installations - Modification AD/DH 82/8\n\nDatum Bolts AD/DH 82/9 Amdt 1\n\nCockpit Lateral Tie Rods and Aircraft Structure AD/DH 82/10 Amdt 1\n\nFlight Limitations and Structural Inspection AD/DH 82/11 Amdt 1\n\nCockpit Safety Harness Installation - Integrity and Lifing AD/DH 82/12\n\nIntroduction of Increased Strength Seat Harness Transverse Cable AD/DH 82/13 Amdt 1","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":3,"scope_assessment":{"changed":false,"description":"This instrument maintains identical scope to the original Airworthiness Directives. It is purely a procedural remaking under new regulatory authority (CASA's 1998 regulations) with no expansion of subject matter, aircraft coverage, or safety requirements. The note explicitly states directives are remade 'in exactly the same form'."},"complexity_factors":["Short, single-purpose instrument (approximately 300 words)","Only 1 defined term implicitly used ('Airworthiness Directive')","Simple binary structure: revoke old, make new","No nested conditional logic or cross-references to other legislation beyond the enabling regulation (Civil Aviation Safety Regulations 1998, subregulation 39.001(1))","Tabular schedule listing 13 items with straightforward status (active, amended, or cancelled)","Note clarifies no substantive change to content—directives remade 'in exactly the same form'","However, complexity exists in the attached directives themselves (not reproduced here), which contain detailed technical aviation engineering requirements"],"plain_english_summary":"This instrument revokes 13 existing Airworthiness Directives for the de Havilland DH 82 Tiger Moth and re-issues them as separate legal instruments in the same form, to bring these older directives under the post‑1998 regulatory framework. It doesn’t change the safety requirements but updates their legal basis. Affects Tiger Moth owners, operators, maintenance engineers and CASA, ensuring these vintage aircraft continue to meet current legally enforceable safety standards."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":false,"description":"Scope not changed. The instrument expressly revokes the listed ADs and re‑makes them “in exactly the same form as appears in the latest published edition of the Directive” (see Note and Schedule 1), so existing obligations and technical requirements are preserved; the change is procedural/administrative."},"complexity_factors":["Administrative nature: the instrument revokes and re‑makes existing ADs without changing their substance (see Note).","Reliance on external texts: the re‑made ADs are identical to the latest published editions, so users must consult those editions for technical detail.","Multiplicity of items: Schedule 1 lists many ADs, including amendments and cancelled items, increasing tracking and record‑keeping for operators.","Legal authority: action taken under subregulation 39.001(1) requires correct procedural use of delegated power.","Compliance burden continuity: while substance is unchanged, operators must ensure continuity of compliance and update internal documentation to reflect the separate instruments."],"plain_english_summary":"This instrument revokes a list of Airworthiness Directives for DH 82 (Tiger Moth) series aeroplanes and re‑issues each one as a separate instrument in the same form as the latest published editions, under subregulation 39.001(1) of the Civil Aviation Safety Regulations 1998. It affects aircraft owners, operators and maintenance organisations who must continue to comply with those Directives. Mechanically, it is an administrative re‑issuance: compliance obligations remain in force, and operators bear any costs of inspections, modifications or lifing the re‑made ADs require; the CASA delegate makes the decision."}},"importantCases":[],"_links":{"self":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes","history":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes/history","analysis":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes/analysis","conflicts":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes/conflicts","importantCases":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes/important-cases","documents":"/api/acts/airworthiness-directives-2004-revocation-and-remaking-dh-82-tiger-moth-series-aeroplanes/documents"}}