{"id":"F2012L02294","name":"CASA EX172/12 - Exemption - minimum height and lateral separation for operations","slug":"casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":90277,"registerId":"commonwealth-F2012L02294-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX172/12 - Exemption - minimum height and lateral separation for operations","content":"Instrument number CASA EX172/12\n\nI, GERARD JOHN CAMPBELL, Acting Executive Manager, Operations Division, a delegate of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998 (CASR 1998).\n\n\\[Signed G.J. Campbell\\]\n\nGerard J. Campbell  \nActing Executive Manager  \nOperations Division\n\n28 November 2012\n\nExemption — minimum height and lateral separation for operations\n\n1 Duration\n\nThis instrument:\n\n(a) commences on 1 December 2012; and\n\n(b) stops having effect at the end of November 2015.\n\n2 Application\n\nThis instrument applies to the pilot in command of an aeroplane operated by Aerotech NT Pty Ltd, Aviation Reference Number 814965 (the operator), and engaged in:\n\n(a) operations involving the dropping of fire retardant, foam or water for fire fighting; or\n\n(b) reconnaissance flights undertaken for fire fighting.\n\n3 Exemption\n\nThe pilot in command of an aircraft operated by the operator is exempt from:\n\n(a) the requirements of subregulation 137.140 (3) of CASR 1998 to the extent mentioned in Schedule 1; and\n\n(b) the requirements of subregulation 137.140 (4).\n\n4 Condition\n\nThe exemption is subject to the condition in Schedule 2.\n\nSchedule 1 Extent of exemption\n\nThe exemption against the requirements of subregulation 137.140 (3) applies only when an aircraft is required to drop fire retardant over an occupied building or over an area adjacent to an occupied building.\n\nSchedule 2 Condition\n\nThe operation must be conducted under an arrangement with a recognised State or Territory fire authority.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1690},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is the original instrument as made. The scope remains limited to the specific exemption granted to Aerotech NT Pty Ltd for aerial firefighting operations, with no expansion beyond the original intent."},"complexity_factors":["Single operator scope (Aerotech NT Pty Ltd only)","Limited duration (3 years)","Simple two-part exemption structure with single condition","Only 1 defined term ('the operator')","No nested exceptions or complex cross-referencing beyond basic CASR citations"],"plain_english_summary":"This grants Aerotech NT Pty Ltd (ARN 814965) a temporary exemption to fly lower and closer to buildings than usual aviation rules allow for firefighting — dropping retardant/foam/water and conducting reconnaissance — between 1 Dec 2012 and 30 Nov 2015.  \n\nIt applies only when operations are conducted under arrangement with a State or Territory fire authority, enabling precise low-level work to protect lives and property during bushfires."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations","history":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations/history","analysis":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations/analysis","conflicts":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations/conflicts","importantCases":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations/important-cases","documents":"/api/acts/casa-ex172-12-exemption-minimum-height-and-lateral-separation-for-operations/documents"}}