PPRuNe Forums - View Single Post - 747-400: 3 engine taxi?

15th Aug 2017, 09:03

#5 (permalink)

TowerDog

SkyGod

Join Date: Aug 2000

Location: Palm Coast, Florida, USA

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The 747 classic sports an electric hydraulic pump for the Nr. 4 system to maintain brake pressure with the motors shut down.

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