Meteorological conditions — IFR flight
61.  An AOC holder must ensure that a flight of a relevant aircraft that is to be carried out in accordance with the Instrument Flight Rules —
(a)does not take off from the departure aerodrome unless the meteorological conditions at the departure aerodrome are at or above the aerodrome operating minima for that operation at the time of use; and
(b)does not take off or continue beyond the point of in‑flight re‑planning unless at the aerodrome of intended landing, or at every alternate aerodrome selected in accordance with these Regulations, current meteorological reports or a combination of current reports and forecasts indicate that the meteorological conditions will be, at the estimated time of use, at or above the AOC holder’s established aerodrome operating minima for that operation.