{"id":"F2006L03483","name":"CASA EX53/06 - Exemption – flight and navigation equipment","slug":"casa-ex53-06-exemption-flight-and-navigation-equipment","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":60998,"registerId":"commonwealth-F2006L03483-current","compilationNumber":null,"startDate":"2026-04-02","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX53/06 - Exemption – flight and navigation equipment","content":"Instrument number CASA EX53/06\n\nI, PATRICK STUART MURRAY, Acting Deputy Chief Executive and Chief Operating Officer, a delegate of CASA, make this instrument under regulation 308 of the Civil Aviation Regulations 1988 (CAR 1988).\n\n\\[Signed Patrick S. Murray\\]\n\nPatrick S. Murray  \nActing Deputy Chief Executive and  \nChief Operating Officer\n\n18 October 2006\n\nExemption — flight and navigation equipment\n\n1 Duration\n\nThis instrument:\n\n(a) commences on the day after it is registered; and\n\n(b) stops having effect at the end of 30 September 2009.\n\n2 Application\n\nThis instrument applies to all Australian registered aircraft which do not meet the flight and navigation requirements contained in Civil Aviation Order 20.18 (CAO 20.18).\n\n3 Exemption\n\nAustralian registered aircraft are exempt from compliance with subregulation 207 (2) of CAR 1988 only to the extent mentioned in Schedule 1.\n\n4 Condition\n\nThe exemption is subject to the condition in Schedule 2.\n\nSchedule 1 Extent of exemption\n\nThe exemption extends only to the directions under subregulation 207 (2) relating to flight and navigation equipment that are contained in CAO 20.18.\n\nSchedule 2 Condition\n\nThe aircraft must only be operated if the flight and navigation equipment requirements of CAO 20.18 have been met by an alternative means of compliance which has the equivalent level of safety as determined by the type certificating authority for the aircraft taking into consideration its intended operation.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1594},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"This exemption instrument operates exactly within its stated purpose of providing alternative compliance for flight and navigation equipment requirements. No expansion of scope beyond the original regulatory intent."},"complexity_factors":["References to external legislative instruments (Civil Aviation Regulations 1988 regulations 207 and 308, and Civil Aviation Order 20.18)","Subjective safety standard requiring 'equivalent level of safety' determination by third-party authority","Conditional limitation restricting exemption to specific directions in Schedule 1"],"plain_english_summary":"This exemption lets Australian-registered aircraft that don’t meet the equipment specified in CAO 20.18 operate without that exact flight and navigation kit, provided they use alternative equipment that offers an equivalent level of safety. The aircraft’s type certificating authority must confirm equivalence taking actual operations into account. It thus permits safe, non‑standard systems (e.g., modern digital replacements) to be used legally."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment","history":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment/history","analysis":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment/analysis","conflicts":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment/conflicts","importantCases":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment/important-cases","documents":"/api/acts/casa-ex53-06-exemption-flight-and-navigation-equipment/documents"}}