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103
ICINGCONDITIONSAIRFRAME (CAR 238)
An aircraft shall not take-off for thepurposeofmaking a flight duringwhich
the aircraftmay fly into knownor expected icing conditions unless the aircraft
is adequately equippedwith either de-icing or anti-icing equipment of the type
andquantities as directed byCASA.
TOUSETHECHART
• obtain thewet and dry bulb temperatures
• enter the chartwith thewet and dry bulb temperatures
• refer to the shading legend (above) appropriate to the intersectionof the
temperature lines
• from the intersection of the temperature lines, obtain the relative humidity
on the curved scale, and the humidity ratio from the vertical scale.
2 – preparat i on
airframe icing
carburettor icing