Icing Considerations Flashcards
1
Q
Ice formation occurs when?
A
AC subjected to moisture laden air and a temperature where the moisture strikes the AC is 0C or cooler
2
Q
4 classifications of ice
A
Trace
Light
Moderate
Severe
3
Q
Trace
A
Non hazardous, does not need clearing unless allowed to accumulate for periods of one hour
4
Q
Light
A
May cause problems to aircraft that fly through icing zones for over one hour and allowed to build up. Ice protection equipment reccomend to be used periodically to remove ice build up
5
Q
Moderate
A
Potentially hazardous to AC even in short encounters, recommended de-icing and anti-icing equipment is used constantly
6
Q
Severe
A
Most hazardous, if possible AC should not fly in these conditions, ice protection equipment should most likely fail, diversion from zone is recommended
