Engine Limits/Procedures

Question 1

Abort Start If:

Answer 1

• No oil pressure rise prior to RUN
• EGT fails to rise within 20 seconds of RUN
• EGT rapidly rising to limit (485C)
• N1 fails to rise at EGT rise
• N2 fails to stabilize within 120 seconds of RUN
• Tailpipe fire/torching

Question 2

Normal Starter Duty Cycle

Answer 2

• 2 minutes, continuous down to 0 N2
• 2nd attempt: 2 minutes, down to 0 N2
• 3rd attempt: 2 minutes, down to 0 N2 and then cool for 15 minutes

Question 3

Cold Weather Taxi procedure

Answer 3

Minimum thrust with oil temp less than 50C

Question 4

Continuous Ignition for

Answer 4

Severe Turbulence

Question 5

Maximum Initial Taxi Thrust

Answer 5

35% N1

Question 6

Minimum Motor N2

Answer 6

18% at or below 9,500

Question 7

Engine Anti-Ice OAT

Answer 7

10C with moisture

Question 8

Engine Run Required

Answer 8

OAT 3C with moisture, 50% N2

Question 9

Personnel should be no closer than:

Answer 9

• 175 ft behind the engine

- 400 ft behind engine at breakaway