{"id":"F2005B00526","name":"CASA EX11/2003 - Exemption under regulation 308 from the requirements of paragraph 244(1)(c) - Removal of frost and ice before take-off","slug":"casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"repealed","isInForce":false,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":31949,"registerId":"commonwealth-F2005B00526-current","compilationNumber":null,"startDate":"2026-04-01","status":"Repealed","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"CIVIL AVIATION REGULATIONS 1988","sectionType":"division","heading":"CIVIL AVIATION REGULATIONS 1988","content":"### CIVIL AVIATION REGULATIONS 1988\n\nEXEMPTION UNDER REGULATION 308\n\nFROM THE REQUIREMENTS OF PARAGRAPH 244 (1) (c)","sortOrder":0},{"sectionNumber":"REMOVAL OF FROST AND ICE BEFORE TAKE-OFF","sectionType":"subdivision","heading":"REMOVAL OF FROST AND ICE BEFORE TAKE-OFF","content":"#### REMOVAL OF FROST AND ICE BEFORE TAKE-OFF\n\nI, MICHAEL ROBERT TOLLER, Director of Aviation Safety, on behalf of CASA, under regulation 308 of the Civil Aviation Regulations 1988 (CAR 1988), exempt the pilot in command of an aircraft engaged in regular public transport operations with an MTOW of more than 5700 kg from compliance with paragraph 244 (1) (c) of CAR 1988.\n\nUnder subregulation 308 (3), this exemption is subject to compliance with the conditions set out in Schedule 1.\n\nThis exemption stops having effect at the end of June 2006.","sortOrder":1},{"sectionNumber":"SCHEDULE 1","sectionType":"subdivision","heading":null,"content":"#### SCHEDULE 1","sortOrder":2},{"sectionNumber":"Conditions","sectionType":"subdivision","heading":"Conditions","content":"#### Conditions\n\n1 In this Schedule, appropriate procedures means de-icing and anti-icing procedures that are effective in the ambient meteorological conditions and temperatures and are carried out in accordance with the aircraft flight manual, or instructions and data provided by the aircraft manufacturer, as relevant to take-off in such conditions.\n\n2 The pilot in command must ensure that appropriate procedures have been used to remove the accumulated snow, frost and ice from the aircraft except for residual traces.\n\n3 Before taking off, the pilot in command must be satisfied that any residual snow, frost or ice will not affect aircraft performance or the performance of any equipment or instruments.\n\n\\[Signed M. Toller\\]\n\nMick Toller\n\nDirector of Aviation Safety\n\n23 May 2003","sortOrder":3}],"analysis":{"kimi_summary":{"_metrics":{"model":"kimi-k2.5","source":"moonshot-batch","completionTokens":1982},"content_quality":"ok","complexity_score":2,"scope_assessment":{"changed":false,"description":"The exemption maintains a narrow scope limited to specific aircraft weight categories and operational types, providing a targeted exception to the general ice removal requirement without expanding beyond its original purpose of allowing residual traces under controlled conditions."},"complexity_factors":["Single defined term (\"appropriate procedures\") in Schedule 1","Only three straightforward conditions to comply with","Limited cross-referencing to Civil Aviation Regulations 1988 (regulation 308 and paragraph 244(1)(c))","Narrow application limited to specific aircraft weight (>5700kg) and operation type (regular public transport)"],"plain_english_summary":"This exemption lets pilots of commercial passenger aircraft over 5.7 tonnes depart with only tiny residual traces of frost, snow or ice that remain after proper de‑icing — something normally prohibited.  \n\nIt matters because it recognizes that absolute removal can be impractical in freezing conditions while preserving safety by requiring approved de‑/anti‑icing procedures and pilot verification that any remaining traces won’t impair performance or instruments."}},"importantCases":[],"_links":{"self":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-","history":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-/history","analysis":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-/analysis","conflicts":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-/conflicts","importantCases":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-/important-cases","documents":"/api/acts/casa-ex11-2003-exemption-under-regulation-308-from-the-requirements-of-paragraph-244-1-c-removal-of-/documents"}}