{"id":"F2015L02134","name":"CASA EX223/15 - Exemption — extended diversion time operation requirements (Nauru Airlines B737)","slug":"casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":93902,"registerId":"commonwealth-F2015L02134-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX223/15 - Exemption — extended diversion time operation requirements (Nauru Airlines B737)","content":"Instrument number CASA EX223/15\n\nI, MARK ALAN SKIDMORE, Director of Aviation Safety, on behalf of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998.\n\n\\[Signed Mark Skidmore AM\\]\n\nMark Skidmore AM  \nDirector of Aviation Safety\n\n23 December 2015\n\nExemption — extended diversion time operation requirements (Nauru Airlines B737)\n\n1 Duration\n\nThis instrument:\n\n(a) commences on the day of registration; and\n\n(b) expires at the end of December 2016, as if it had been repealed by another instrument.\n\n2 Definitions\n\nIn this instrument:\n\n> adequate aerodrome has the same meaning given in paragraph 2.1 of Civil Aviation Order 82.0 (CAO 82.0).\n\n> EDTO has the same meaning given in paragraph 2.1 of CAO 82.0.\n\n3 Application\n\nThis instrument applies to Nauru Air Corporation, trading as Nauru Airlines, Aviation Reference Number 552180 (the operator), when conducting regular public transport operations or charter operations in the operator’s B737 aircraft.\n\n4 Exemption\n\nThe operator is exempt from complying with the requirements of subsection 3BC of CAO 82.0.\n\n> Note The operator will not be required to undertake EDTO for passenger-carrying operations conducted in the operator’s B737 aircraft.\n\n5 Conditions\n\n(1)The operator must ensure that the aircraft does not operate at any point along a route which is greater than 75 minutes of flight time at the 1 engine inoperative cruise speed (in ISA and still air conditions) from an adequate aerodrome.\n\n(2)The operator must provide to CASA’s satisfaction by 29 January 2016 an action plan with milestones and timelines in relation to the operator’s proposed EDTO compliance by December 2016.\n\n(3)The operator must include a copy of this instrument in the operator’s operations manual.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1750},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The instrument maintains its original narrow scope as a temporary, operator-specific exemption limited to B737 aircraft with defined operational conditions and expiry date."},"complexity_factors":["References external definitions in CAO 82.0 for technical terms 'adequate aerodrome' and 'EDTO'","Requires understanding of specific aviation calculation methodology (75 minutes at 1 engine inoperative cruise speed)","Cross-reference to subsection 3BC of Civil Aviation Order 82.0 for the exempted requirement"],"plain_english_summary":"This instrument grants Nauru Airlines a temporary exemption from EDTO (extended diversion time) requirements for its Boeing 737 operations, letting the airline operate without full EDTO compliance for a limited period. It requires staying within 75 minutes’ flying time of a suitable aerodrome (one-engine inoperative, ISA, still air), submitting an action plan to CASA to achieve full compliance by a deadline, and keeping the exemption in the operations manual. Only applies to Nauru Airlines’ B737 passenger and charter flights."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737","history":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737/history","analysis":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737/analysis","conflicts":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737/conflicts","importantCases":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737/important-cases","documents":"/api/acts/casa-ex223-15-exemption-extended-diversion-time-operation-requirements-nauru-airlines-b737/documents"}}