{"id":"F2005L03855","name":"CASA EX56/05 - Exemption - participation in land and hold short operations","slug":"casa-ex56-05-exemption-participation-in-land-and-hold-short-operations","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":39595,"registerId":"commonwealth-F2005L03855-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"CASA EX56/05 - Exemption - participation in land and hold short operations","content":"![](image.001.png)\n\nInstrument number CASA EX56/05\n\nI, bruce ROBERT gemmell, Deputy Chief Executive and Chief Operating Officer, a delegate of CASA, make this instrument under regulation 11.160 of the Civil Aviation Safety Regulations 1998 (CASR 1998).\n\n\\[Signed B. Gemmell\\]\n\nBruce Robert Gemmell\n\nDeputy Chief Executive and\n\nChief Operating Officer\n\n30 November 2005\n\nExemption — participation in land and hold short operations\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 November 2006.\n\n2 Application\n\nThis instrument applies:\n\n(a) to an ATS provider, within the meaning of regulation 172.015 of CASR 1998; and\n\n(b) for land and hold short operations using Boeing 767-300 series aircraft operated by Australian Airlines Limited, Aviation Reference Number 582843.\n\n3 Exemption\n\n(1)An ATS provider is exempt from compliance with paragraph 172.065 (1) (a) of CASR 1998 to the extent mentioned in subsection (2).\n\n(2)The exemption applies only to the standards set out in subsections 10.13.5.3 and 10.13.5.4 of the Manual of Standards (MOS) Part 172.","sortOrder":0}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1620},"content_quality":"ok","complexity_score":3,"rejection_reason":"","scope_assessment":{"changed":false,"description":"This instrument maintains its original narrow scope as a time-limited, operator-specific exemption. It applies only to one aircraft type (Boeing 767-300) operated by one airline (Australian Airlines Limited) and exempts compliance with only two specific technical standards in the MOS. There is no evidence of scope creep beyond the original intent to facilitate specific operational requirements."},"complexity_factors":["Multiple cross-references to Civil Aviation Safety Regulations (CASR 11.160, 172.015, 172.065)","Reference to specific Manual of Standards (MOS) Part 172 subsections (10.13.5.3 and 10.13.5.4)","Technical aviation terminology requiring domain knowledge (ATS provider, LAHSO, Aviation Reference Number)","Limited temporal and operational scope creating conditional application logic"],"plain_english_summary":"This exemption allowed Air Traffic Services providers to manage land-and-hold-short operations (LAHSO) for Boeing 767-300 aircraft operated by Australian Airlines Limited, enabling arrivals to land and stop short of intersections to increase airport throughput. It temporarily waived certain Manual of Standards technical requirements for those operations.\n\nIt applied only to that airline/aircraft and ran from late 2005 until November 2006."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations","history":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations/history","analysis":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations/analysis","conflicts":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations/conflicts","importantCases":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations/important-cases","documents":"/api/acts/casa-ex56-05-exemption-participation-in-land-and-hold-short-operations/documents"}}