ENGINE *

Question 1

What are the engine start cranking limits on the ground?

Answer 1

. 1st & 2nd starting
attempt - 90 sec ON,
10 seconds OFF.

. 3rd and subsequent
starting attempt - 90 sec
ON, 5 minutes OFF.

NOTE: the starter must not be engaged if indicated N2 RPM exceeds 45% (in flight or on the ground)