7.—(1) Subject to paragraph (2), immediately before an aircraft flies the pilot-in-command of the aircraft shall examine the current reports and forecasts of the weather conditions on the proposed flight path, in order to determine whether Instrument Meteorological Conditions prevail, or are likely to prevail, during any part of the flight.
(2) Paragraph (1) shall only apply if it is reasonably practicable for the pilot-in-command to obtain current reports and forecasts of the weather conditions on the proposed flight path.
(3) Subject to paragraph (4), an aircraft which is unable to communicate by radio with an air traffic control unit at the aerodrome of destination shall not begin a flight to the aerodrome if—
(a)the aerodrome is within a control zone; and
(b)the weather reports and forecasts which it is reasonably practicable for the pilot-in-command of the aircraft to obtain indicates that it will arrive at that aerodrome when the ground visibility is less than 10 km or the cloud ceiling is less than 1,500 feet.
(4) Paragraph (3) shall not apply if, before take-off, the pilot-in-command of the aircraft has obtained permission from the air traffic control unit at the aerodrome of destination to enter the aerodrome traffic zone.