{"id":"F2014L01228","name":"CASA EX78/14 - Repeal of CASA EX53/12 — display of navigation and anti-collision lights","slug":"casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":92257,"registerId":"commonwealth-F2014L01228-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX78/14 - Repeal of CASA EX53/12 — display of navigation and anti-collision lights","content":"---\nmeta-content-style-type: text/css\nmeta-content-type: application/xhtml+xml; charset=utf-8\nmeta-description: Repeal of CASA EX53/12 — display of navigation and anti-collision lights\nmeta-generator: Aspose.Words for .NET 20.2\ntitle: CASA EX78/14\n---\n\n?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>\n\nInstrument number CASA EX78/14\n\nI, terence lindsay farquharson, acting Director of Aviation Safety, on behalf of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998 and subsection 33 (3) of the Acts Interpretation Act 1901.\n\n[Signed T. Farquharson]\n\nTerry Farquharson  Acting Director of Aviation Safety\n\n12 September 2014\n\nRepeal of CASA EX53/12 — display of navigation and anti-collision lights\n\n1 Duration\n\n This instrument:\n\n(a) commences on 1 October 2014; and\n\n(b) expires on 2 October 2014, as if it had been repealed by another instrument.\n\n2 Repeal\n\n Instrument CASA EX53/12 is repealed.\n\n \n","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1492},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument maintains its narrow, specific purpose of repealing the previous lighting exemption. No expansion beyond the stated repeal function."},"complexity_factors":["Only 2 operative provisions (Duration and Repeal)","No defined terms or interpretation section","No conditional logic, exceptions, or nested provisions","Single external reference to the repealed instrument"],"plain_english_summary":"**What this does:** This instrument formally cancels (repeals) a previous aviation safety exemption numbered CASA EX53/12. That older exemption had allowed certain aircraft to operate without displaying navigation lights and anti-collision lights.\n\n**Who it affects:** Aircraft operators who were relying on exemption EX53/12 to fly without standard lighting equipment.\n\n**Why it matters:** After 1 October 2014, operators could no longer use the permission granted by the old exemption and had to comply with normal lighting rules. This instrument only lasted for one day (1–2 October 2014) — it served as a formal \"cleanup\" mechanism to end the previous exemption on a specific date."},"summary":{"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"This instrument made a fleeting change to the law on 1–2 October 2014 only; it has no lasting effect and does not alter the current legal position."},"complexity_factors":["Temporary repeal lasting one day","Self-repealing instrument relying on Acts Interpretation Act revival","Minimal practical impact"],"plain_english_summary":"This instrument briefly repealed CASA EX53/12—the exemption allowing departures from standard navigation and anti‑collision light rules—on 1 October 2014. The repeal expired on 2 October and, by operation of the Acts Interpretation Act, the exemption immediately revived.\n\nAnyone relying on EX53/12 had to follow the usual lighting rules during that short window. The instrument is historical and has no ongoing legal effect."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights","history":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights/history","analysis":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights/analysis","conflicts":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights/conflicts","importantCases":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights/important-cases","documents":"/api/acts/casa-ex78-14-repeal-of-casa-ex53-12-display-of-navigation-and-anti-collision-lights/documents"}}