MBU (MECHANICAL BACK UP) Flashcards by Tjade Rohling | Brainscape

Q

What causes reversion to Mechanical Back Up?

A

complete or temporary loss of ELEC

- complet loss of all 5 FCC’s (2 ELACs, 3 SECs)

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Q

What appears on the FMA in red with MBU?

A

[MAN PITCH TRIM ONLY]

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Q

How is pitch controlled in MBU?

A

Manually by trim wheel (THS)

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Q

How is roll controlled in MBU?

A

‘Manually’ by rudder inputs (RUDDER)

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