Paragraph 31 Exceptions to rules 29 and 30
Rule 29 shall not apply if the aircraft has otherwise been authorised by the appropriate air traffic control unit.
Rules 29(1) and 30 shall not apply to any glider flying or intending to fly in Class B airspace notified for the purpose of this paragraph.
Rules 29(1) and 30 shall not apply to any glider which—
flies during the day;
is in controlled airspace notified for the purpose of this paragraph; and
remains at least 1,500 metres horizontally and 1,000 feet vertically away from cloud and in a flight visibility of at least 8 km.
Rules 29(1) and 30 shall not apply to any mechanically driven aircraft without radio equipment if—
it flies during the day;
it is in controlled airspace notified for the purpose of this paragraph;
it remains at least 1,500 metres horizontally and 1,000 feet vertically away from cloud and in a flight visibility of at least 5 km; and
its pilot-in-command has previously obtained the permission of the appropriate air traffic control unit to fly within the controlled airspace.