ENGINE RUN UP

Question 1

When do you perform an engine run up?

Answer 1

When engine A/I is ON and OAT is 3°C or below

Question 2

Why do we perform an engine run up?

Answer 2

to minimize ice build up

Question 3

Procedure engine run up on RR engine?

Answer 3

60% N1 for 10s at intervals no greater than 60 mins

Question 4

Procedure engine run up on PW engine?

Answer 4

If engine visually inspected before start and found clear of ice: - 50% N1 for 1s at intervals no greater than 30 mins
if engine was not inspected: - 50% N1 for 1s at intervals not greater than 15 mins