Starter

Question 1

What are the dry motoring limits?

Answer 1

1st attempt - 90 sec ON / 5 min OFF

2nd thru 5th attempt - 30 sec ON / 5 min OFF

Question 2

What are the APU starter limits?

Answer 2

No more than 3 start attempts in one hour, 2 minute delay required between start attempts

Question 3

What are the engine starting cranking limits?

Answer 3

1st and 2nd attempt - 90 sec ON / 10 sec OFF
3rd thru 5th attempt - 90 sec ON / 5 min OFF

ITT must be less than 120°C for all GROUND starts

ITT must be les than 90° for all airborne starts