A340 ADIRS

A340 ADIRS
by jerome meriweather

Up to Plate
Right to ENG Fire
Down to APU Fire

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Flight Deck Photos and/or Graphic Facsimile

ON BAT
Illuminates Amber when one ADIRU is supplied by battery only.

OFF: Inertial data output disconnected.
FAULT Light: Illuminates Amber associated with an ECAM caution if a Fault is detected in the inertial reference part.

IR Mode

OFF: The ADIRU is not energized.
NAV: Normal Mode of operation.
ATT: IR Mode providing only attitude and heading information in case of loss of Navigation capability.

ADR

OFF: Air Data output disconnected.
FAULT Light: Illuminates Amber associated with an ECAM caution if a Fault is detected in the Air Data Reference part.