{"id":"F2005B00578","name":"CASA 327/00 - Approval under subregulation 207(2)","slug":"casa-327-00-approval-under-subregulation-207-2","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":32022,"registerId":"commonwealth-F2005B00578-current","compilationNumber":null,"startDate":"2026-04-01","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA 327/00 - Approval under subregulation 207(2)","content":"INSTRUMENT NUMBER: CASA 327/00\n\nCIVIL AVIATION ACT 1988\n\nCIVIL AVIATION REGULATIONS 1988\n\nAPPROVAL UNDER SUBREGULATION 207 (2)\n\nI, EUGENE HOLZAPFEL, Acting Section Head, Systems, Certification 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-IOD 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 E Holzapfel\\]\n\nEugene Holzapfel\n\nActing Section Head, Systems\n\nCertification Standards Branch\n\n1 August 2000","sortOrder":0}],"analysis":{"kimi_summary":{"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This is a discrete, single-case approval instrument issued under a specific regulatory power (CAR 207(2)). It has not expanded beyond its original purpose of approving alternative oxygen equipment for one specific aircraft. The scope remains tightly constrained to the original delegation."},"complexity_factors":["Single purpose instrument (one specific approval for one specific aircraft)","Only two operative conditions (paragraphs a and b)","No defined terms section","Minimal cross-referencing (only to Civil Aviation Orders section 108.26)","Straightforward conditional logic (simple 'if-then' structure with two requirements)","Length: approximately 150 words of operative text"],"plain_english_summary":"This is a specific approval issued by the Civil Aviation Safety Authority (CASA) allowing a particular aircraft (registration VH-IOD) to use a specific type of oxygen delivery device called an \"Oxymizer\" for passengers or crew.\n\n**What it does:**\nNormally, aviation regulations require certain types of oxygen masks that cover both the nose and mouth. This document gives **special permission** for VH-IOD to use nasal cannulas (small tubes that sit in the nostrils) instead — but only if two conditions are met:\n\n* **Flow rate requirement:** The Oxymizer units must deliver at least 0.3 litres of oxygen per minute at 10,000 feet altitude, and increase by 0.1 litre per minute for every 2,000 feet of additional altitude up to 18,000 feet.\n* **Backup requirement:** The aircraft must still carry traditional oxygen masks (the kind covering nose and mouth) that meet specific technical standards in the Civil Aviation Orders, and these must be available as required by those rules.\n\n**Who it affects:**\n* The operator/owner of aircraft VH-IOD\n* Passengers and crew on that specific aircraft who might need supplemental oxygen\n\n**Why it matters:**\nThis is an example of how aviation safety regulators can grant **exemptions or alternative compliance paths** when new or different equipment can achieve equivalent safety. The nasal cannulas are presumably more comfortable or convenient, but CASA ensures safety isn't compromised by requiring minimum oxygen flow rates and maintaining traditional masks as backup."},"flash_summary":{"complexity_score":3,"scope_assessment":{"changed":true,"description":"This instrument changes the regulatory effect for a single aircraft registration (VH-IOD) by authorising the use of a specific type of nasal-cannula oxygen device (Oxymizer) as an alternative equipment configuration, subject to a defined flow-rate profile (paragraph (a)) and by requiring that any other individual oxygen units meet specified provisions of section 108.26 of the Civil Aviation Orders (paragraph (b)). In other words, it modifies how the regulations apply to that aircraft by granting a case-specific approval under subregulation 207(2), rather than altering the general regulatory standard for all aircraft."},"complexity_factors":["Narrow, aircraft-specific approval (affects only VH-IOD) reduces scope complexity.","Technical specification of flow rate: base rate plus incremental increases by altitude (numeric formula across 10,000–18,000 ft).","Reference to external normative material (paragraphs 6.1 and 5.1.2 of section 108.26 of the Civil Aviation Orders) requires cross-checking another instrument to confirm full compliance requirements.","Discretionary administrative act by a CASA delegate under subregulation 207(2) — understanding delegation and its limits adds a governance layer.","No procedural or enforcement detail in the text — implementers must rely on external regulatory practices for monitoring and verification."],"plain_english_summary":"This instrument is a narrow CASA approval under subreg 207(2) allowing the specific aircraft VH‑IOD to operate using Oxymizer nasal‑cannula oxygen units provided they meet the approval’s numeric flow‑rate profile. It matters to the aircraft’s owner/operator, who must supply, fit and maintain compliant units; the approval was granted by a CASA delegate and applies only to VH‑IOD, enabling a permitted substitution of equipment subject to those conditions."}},"importantCases":[],"_links":{"self":"/api/acts/casa-327-00-approval-under-subregulation-207-2","history":"/api/acts/casa-327-00-approval-under-subregulation-207-2/history","analysis":"/api/acts/casa-327-00-approval-under-subregulation-207-2/analysis","conflicts":"/api/acts/casa-327-00-approval-under-subregulation-207-2/conflicts","importantCases":"/api/acts/casa-327-00-approval-under-subregulation-207-2/important-cases","documents":"/api/acts/casa-327-00-approval-under-subregulation-207-2/documents"}}