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Emergency Power Supply Unit

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Old 24th Jul 2022, 03:38
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Emergency Power Supply Unit

Hi guys,
I know that airbus have emergency power supply units (EPSU) to supply the emergency light system of aircraft incase if aircraft power supply breakdown but I am wondering if boeing have EPSU also ?

Thank you,
Dan
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Old 26th Jul 2022, 16:00
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Try reading

https://www.aviationmatters.co/aircr...r-turbine-rat/
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Old 28th Jul 2022, 16:18
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Yes, Boeings have to meet similar requirements to Airbus in the event of power failure, so they also have battery packs with chargers.
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