Starter Limits

Question 1

What are the engine starter cranking limits

Answer 1

1st thru 2nd attempt 90 sec ON – 10 sec. OFF

3rd thru 5th attempt 90 sec ON – 5 min. OFF

Question 2

What are the Dry Motoring limits

Answer 2

1st attempt: 90 sec. ON – 5 min. OFF 2nd thru 5th attempt: 30 sec. ON – 5 min. OFF

Question 3

What are the APU Starter limits

Answer 3

No more than three start attempts in one hour,

2 minute delay required between start attempts