Reporting of weather and hazardous conditions
48.—(1)  The pilot-in-command of a relevant aircraft must make a report to the appropriate aeronautical station as soon as possible when any of the following conditions are encountered or observed during flight:
(a)moderate or severe turbulence;
(b)moderate or severe icing;
(c)severe mountain wave;
(d)thunderstorm (with or without hail), that are obscured, embedded, widespread or in squall lines;
(e)heavy duststorm or heavy sandstorm;
(f)volcanic ash cloud;
(g)pre‑eruption volcanic activity or a volcanic eruption;
(h)any hazardous conditions other than those associated with meteorological conditions, that in the pilot‑in‑command’s opinion is likely to affect the safety of other aircraft.
(2)  The report made under paragraph (1) must provide such details as may be pertinent to the safety of other aircraft.