{"id":"F2007L04210","name":"AD/RES/4 - Aerolex (Harley) Safety Belt Attachment - Inspection and Modification - CANCELLED","slug":"ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":70401,"registerId":"commonwealth-F2007L04210-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"Restraint Equipment","sectionType":"division","heading":"Restraint Equipment","content":"### Restraint Equipment\n\n| AD/RES/4 | Aerolex (Harley) Safety BeltAttachment - Inspection and Modification | 12/2007 |\n| -------- | -------------------------------------------------------------------- | ------- |\n\n| Requirement: | CANCELLED.                                                                                                                                                                         |\n| ------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |\n|              | This AD is cancelled on 22 November 2007.                                                                                                                                          |\n| Background:  | This AD was issued on 15 July 1967. The AD requires a one off inspection and modification. As the unsafe condition that the AD addresses no longer exists, the AD is now obsolete. |\n\n![](image.001.png)\n\nDavid Villiers  \nDelegate of the Civil Aviation Safety Authority\n\n11 October 2007","sortOrder":0},{"sectionNumber":"AD/RES/4","sectionType":"part","heading":"AD/RES/4","content":"## AD/RES/4","sortOrder":1},{"sectionNumber":"Aerolex (Harley) Safety Belt Attachment ","sectionType":"part","heading":"Aerolex (Harley) Safety Belt Attachment - Inspection and Modification","content":"## Aerolex (Harley) Safety Belt  \nAttachment - Inspection and Modification","sortOrder":2},{"sectionNumber":"12/2007","sectionType":"part","heading":"12/2007","content":"## 12/2007","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1209},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The document does not expand or alter the scope of the original legislation. It simply terminates the 1967 directive. The original AD required a specific one-off inspection; this instrument concludes that obligation without adding new requirements."},"complexity_factors":["Single operative provision (cancellation statement only)","No defined terms or interpretation sections","No conditional logic, exceptions, or triggers","Minimal cross-referencing (only references the original 1967 AD date)","Extremely short document (less than 150 words of substantive content)"],"plain_english_summary":"This notice formally cancels Airworthiness Directive RES/4 (issued 1967), which required a one‑time inspection and modification of Aerolex (Harley) safety belt attachments. CASA found the unsafe condition no longer exists — affected parts have been modified, retired, or the fleet aged out.\n\nAircraft operators, owners, and maintenance engineers can disregard AD RES/4 as of 22 November 2007."}},"importantCases":[],"_links":{"self":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled","history":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled/history","analysis":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled/analysis","conflicts":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled/conflicts","importantCases":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled/important-cases","documents":"/api/acts/ad-res-4-aerolex-harley-safety-belt-attachment-inspection-and-modification-cancelled/documents"}}