ADS FAILURE INDICATIONS
• IAS INVALID ANNUNCIATOR
Loss of valid airspeed data from the selected ADS is annunciated by a
red cross that replaces all indications in the airspeed display.
• VS INVALID ANNUNCIATOR
Loss of valid vertical speed data from the selected ADS is annunciated
by a red cross that replaces all indications in the vertical speed display.
• BAROMETRIC ALTIMETER INVALID ANNUNCIATOR
Loss of valid barometric altitude data from the selected ADS is
annunciated by a red cross that replaces all indications in the
barometric altimeter.
• OAT INVALID ANNUNCIATOR
Loss of valid OAT data from the selected ADS is annunciated by amber
dashes that replaces the OAT digital readout.