{"id":"F2012L00098","name":"CASA EX04/12 - Exemption - display of markings and carriage of identification plates","slug":"casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":142318,"registerId":"commonwealth-F2012L00098-current","compilationNumber":null,"startDate":"2026-04-03","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX04/12 - Exemption - display of markings and carriage of identification plates","content":"Instrument number CASA EX04/12\n\nI, JOHN FRANCIS McCORMICK, Director of Aviation Safety, on behalf of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998 (CASR 1998).\n\n\\[Signed John F. McCormick\\]\n\nJohn F. McCormick  \nDirector of Aviation Safety\n\n23 January 2012\n\nExemption — display of markings and carriage of identification plates\n\n1 Duration\n\nThis instrument:\n\n(a) commences 1 February 2012; and\n\n(b) stops having effect at the end of January 2015.\n\n2 Application\n\nThis instrument applies to Australian fixed\\-wing aircraft and rotorcraft with maximum take-off weight of less than 5 700 kg operating wholly within Australian territory (the aircraft).\n\n3 Exemption\n\nThe aircraft is exempt from compliance with the following requirements:\n\n(a) subregulation 45.045 (1) of CASR 1998 to the extent mentioned in Schedule 1;\n\n(b) subregulation 45.145 (1) of CASR 1998 subject to the condition mentioned in Schedule 2;\n\n(c) subparagraph 45.065 (3) (b) (ii) and item 1 of paragraph 45.065 (3) (c) of CASR 1998 subject to the condition mentioned in Schedule 3.\n\nSchedule 1 Extent of exemption\n\nThe exemption extends only to display markings on the under surface of the port wing or across the under surface of both wings.\n\nSchedule 2 Condition\n\nThe aircraft must carry a manufacturer’s data plate as required by regulation 21.820 of CASR 1998.\n\nSchedule 3 Condition\n\nThe minimum height must be 150 millimetres.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1868},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument operates strictly within the bounds of a standard exemption under regulation 11.160 of CASR 1998. It provides targeted relief from specific marking and identification requirements for a narrowly defined class of light aircraft over a fixed time period, without expansion into unrelated regulatory areas."},"complexity_factors":["Single-purpose instrument with only 3 operative clauses","No defined terms section - relies on external CASR definitions","Simple conditional structure (exemption applies only if aircraft meets weight and operational criteria)","Only 3 cross-references to underlying Civil Aviation Safety Regulations","Fixed expiry date with no complex transitional provisions"],"plain_english_summary":"This temporary exemption lets Australian fixed-wing aircraft and helicopters under 5,700 kg that operate only within Australia relax certain marking and ID-plate rules between 1 Feb 2012 and 31 Jan 2015. It permits registration numbers on the underside of the left or both wings, accepts 150 mm letter height, and waives a CASA-issued ID plate where the manufacturer’s data plate is already fitted."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates","history":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates/history","analysis":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates/analysis","conflicts":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates/conflicts","importantCases":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates/important-cases","documents":"/api/acts/casa-ex04-12-exemption-display-of-markings-and-carriage-of-identification-plates/documents"}}