{"id":"F2011L01784","name":"CASA EX91/11 – Exemption – for Boeing 717 flight data recorder system","slug":"casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":87080,"registerId":"commonwealth-F2011L01784-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX91/11 – Exemption – for Boeing 717 flight data recorder system","content":"Instrument number CASA EX91/11\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.\n\n\\[Signed John F. McCormick\\]\n\nJohn F. McCormick  \nDirector of Aviation Safety\n\n25 August 2011\n\nExemption — for Boeing 717 flight data recorder system\n\n1 Duration\n\nThis instrument:\n\n(a) commences on the day after registration; and\n\n(b) stops having effect at the end of 31 July 2014.\n\n2 Application\n\nThis instrument applies to each Boeing 717 aeroplane (the aeroplane) operated by a registered operator.\n\n3 Exemption\n\nThe aeroplane is exempt from compliance with paragraph 6.3 of Civil Aviation Order 20.18 (CAO 20.18) for the continuous operation of a flight data recorder (FDR) system, but only to the extent that the FDR system would otherwise be required to operate while the aeroplane’s parking brake is applied.\n\n4 Condition\n\nThe registered operator must ensure that, apart from the exemption in section 3, paragraph 6.3 of CAO 20.18 is otherwise complied with.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":2748},"content_quality":"ok","complexity_score":1,"scope_assessment":{"changed":false,"description":"The instrument maintains its original narrow scope, providing a specific technical exemption for one aircraft type regarding a single operational parameter (parking brake status) of the flight data recorder system."},"complexity_factors":["Narrow exemption limited to a single aircraft type (Boeing 717)","Single operational condition (parking brake applied)","Only one exemption condition imposed on operators","Minimal cross-referencing (only to CAO 20.18 and CASR 11.160)"],"plain_english_summary":"This instrument temporarily allows airlines operating Boeing 717s in Australia to deactivate the flight data recorder while the parking brake is set — even with engines running — for a limited period. It preserves all other FDR obligations and aims to avoid unnecessary fuel use and equipment wear during gate operations."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system","history":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system/history","analysis":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system/analysis","conflicts":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system/conflicts","importantCases":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system/important-cases","documents":"/api/acts/casa-ex91-11-exemption-for-boeing-717-flight-data-recorder-system/documents"}}