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National 747 Systems > Supernumerary O2 Switches > Flashcards

Supernumerary O2 Switches Flashcards

1
Q

When does the supernumerary oxygen system operate if the switch is in normal? When can this be reset?

A
  • when the cabin alt. reaches 14,000 ft

- when the cabin alt. is below 12,000 ft

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National 747 Systems (19 decks)

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