Icing

Question 1

On the Ground:
- If Ice buildups are noted or suspected, momentarily advance the engine to greater than ____ percent N1 every ____ minutes

Answer 1

70 percent

5 minutes

Question 2

In flight:

• Avoid prolonged operation at thrust settings below ____ percent N1.
• If prolonged operation cannot be avoided, advance each engine individually for ____ seconds to at least ____ percent N1 every ____ minutes when flying above ____ feet and every ____ minutes when flying below ____ feet.

Answer 2

70 percent
10-30 seconds
70 percent
10 minutes
15,000 feet
6 minutes 
15,000 feet