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?? B737NG APU Auto-shutdown ??

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?? B737NG APU Auto-shutdown ??

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Old 6th Aug 2012, 07:30
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?? B737NG APU Auto-shutdown ??

Can someone answer:

The APU has an auto-shutdown feature for fire. Why does it not automatically fire the extinguishers?
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Old 6th Aug 2012, 08:41
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Cool

Apu's are either monitored or unmonitored, by the a/c systems, if it's unmonitored then the a/c should not be left unattended so in case of a fire YOU fire the bottle.
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Old 6th Aug 2012, 23:21
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Some aircraft APUs auto-extinguish on the ground, but not in the air. In the air, the pilots are monitoring the aircraft. On the ground, there may be no one in attendance.

Rgds
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