{"id":"F2005B00640","name":"CASA 430/03 - Approval under subregulation 207 (2)","slug":"casa-430-03-approval-under-subregulation-207-2","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":32115,"registerId":"commonwealth-F2005B00640-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA 430/03 - Approval under subregulation 207 (2)","content":"INSTRUMENT NUMBER: CASA 430/03\n\nCIVIL AVIATION ACT 1988\n\nCIVIL AVIATION REGULATIONS 1988\n\nAPPROVAL UNDER SUBREGULATION 207 (2)\n\nI, JAMES COYNE, Section Head, Systems, Airworthiness Standards Branch, CASA, a delegate of CASA, under subregulation 207 (2) of the Civil Aviation Regulations 1988 approve the operation of the aircraft bearing the nationality and registration marks VH‑BRZ with nasal cannula type individual oxygen dispensing units manufactured under the name “Oxymizer”, providing that:\n\n(a) the units have a flow rate of not less than 03 litre per minute at 10,000 feet altitude, increasing by 0.1 litre per minute for every 2,000 feet up to 18,000 feet altitude; and\n\n(b) other individual oxygen dispensing units for use in the aircraft, that are designed to cover the nose and mouth, meet the requirements of paragraph 6.1 of section 108.26 of the Civil Aviation Orders and are provided in accordance with paragraph 5.1.2 of that section.\n\n\\[Signed J. Coyne\\]\n\nJames Coyne\n\nSection Head, Systems\n\nAirworthiness Standards Branch\n\n22 September 2003","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a standard individual approval instrument under subregulation 207(2) of the Civil Aviation Regulations 1988. Its scope is precisely limited to approving one specific aircraft to use one specific type of oxygen equipment under defined conditions. There is no indication of scope creep; the instrument performs exactly the function intended by the enabling regulation—granting a specific exemption/approval for a particular operational circumstance."},"complexity_factors":["Single-purpose instrument: only one specific approval for one specific aircraft (VH-BRZ)","Minimal conditional logic: only two straightforward conditions (a) and (b)","No defined terms section: relies on external references (Civil Aviation Orders) without defining them internally","Short length: approximately 150 words of operative text","Single cross-reference: to Civil Aviation Orders section 108.26, paragraphs 6.1 and 5.1.2","No nested exceptions or complex temporal provisions"],"plain_english_summary":"This is a specific approval from Australia's aviation safety regulator (CASA) allowing a particular aircraft (registration VH-BRZ) to use a specific type of oxygen delivery device called an \"Oxymizer\" for passengers or crew who need supplemental oxygen.\n\n**What it does:**\n- Permits the use of nasal cannula oxygen units (small tubes that sit in the nostrils) instead of the more common face masks that cover nose and mouth\n- Sets strict flow rate requirements: minimum 0.3 litres per minute at 10,000 feet, increasing by 0.1 litres per minute for every 2,000 feet of altitude gain, up to 18,000 feet\n- Requires backup: the aircraft must still carry traditional face-mask style oxygen units that meet specific safety standards (Civil Aviation Orders section 108.26)\n\n**Who it affects:**\n- The operator of aircraft VH-BRZ\n- Passengers and crew on that specific aircraft who may need oxygen at altitude\n\n**Why it matters:**\nNormally, aviation regulations require oxygen masks that cover both nose and mouth. This approval allows an alternative medical device (nasal cannula) for this specific aircraft, but only under strict conditions to ensure safety isn't compromised. It's an example of how regulators can grant individual exemptions from standard rules when appropriate safeguards are in place."},"flash_summary":{"complexity_score":2,"scope_assessment":{"changed":false,"description":"This instrument is a narrowly targeted approval that permits the operation of the aircraft VH‑BRZ with specified nasal cannula oxygen units under defined technical conditions. It does not expand or amend the broad regulatory framework; it exercises a delegated approval power to authorise a particular equipment arrangement subject to conditions (see subregulation 207(2) and conditions (a) and (b))."},"complexity_factors":["Narrow, specific scope limited to a single aircraft registration (VH‑BRZ).","Technical condition expressed as a simple altitude/flow‑rate formula (0.3 L/min at 10,000 ft, +0.1 L/min per 2,000 ft up to 18,000 ft).","Cross‑reference to external material (section 108.26, paragraphs 5.1.2 and 6.1 of the Civil Aviation Orders), requiring users to consult another instrument to confirm full requirements.","Delegated administrative action (approval under subregulation 207(2)) rather than a primary‑law change.","Product‑specific naming (“Oxymizer”) creates dependency on a particular manufacturer's device specification."],"plain_english_summary":"This is a CASA delegate approval under subreg 207(2) permitting aircraft VH‑BRZ to operate using Oxymizer nasal‑cannula oxygen units, provided they meet the specified altitude/flow‑rate profile and any other nose‑and‑mouth dispensers satisfy the cited Civil Aviation Orders. \n\nIt affects the aircraft operator (and maintenance/supplier staff) who must procure, test and maintain equipment to those conditions; it does not change Regulations or CAOs generally."}},"importantCases":[],"_links":{"self":"/api/acts/casa-430-03-approval-under-subregulation-207-2","history":"/api/acts/casa-430-03-approval-under-subregulation-207-2/history","analysis":"/api/acts/casa-430-03-approval-under-subregulation-207-2/analysis","conflicts":"/api/acts/casa-430-03-approval-under-subregulation-207-2/conflicts","importantCases":"/api/acts/casa-430-03-approval-under-subregulation-207-2/important-cases","documents":"/api/acts/casa-430-03-approval-under-subregulation-207-2/documents"}}