Falcon 2000 Limitations Practice Exam

What is the maximum N2 value used for the starter re-engagement limit?

53.6% 60% 50% 55%

Correct Answer:

53.6%

Explanation:

Starter re-engagement limits hinge on protecting the starter and the engine by tying a safe re-light to how fast the core is already spinning. The idea is to re-energize the starter only when the high-pressure spool (N2) is at or below a value that keeps the system out of stress and avoids a poor or hot start. For the Falcon 2000, that defined re-engagement speed is 53.6% N2. This means you may re-apply the starter only if N2 is at or below 53.6%; if N2 climbs above that, re-engagement is not permitted because the risk of damage or an ineffective start increases. The other numbers in the list don’t represent the official re-engagement limit used by this system.

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