Aircraft Systems • 11
Pilot Action
1. Use standby attitude indicator. Press the "STBY PWR" button right of
the blinking LED to continue operating using its internal battery.
2. Use standby airspeed, altimeter, and compass.
3. Declare an emergency and exit IMC as soon as practicable. The
manufacturer does not specify the endurance time of the integral
emergency battery.
Air Data Computer (ADC) Failure
Indications
1. Loss of data accompanied by a red X and yellow alert messages occurs
over:
• Airspeed
• Altitude
• Vertical speed
• True airspeed (TAS)
• Outside air temperature (OAT)
2. Wind calculations are unavailable
Attitude and heading references will function normally on the PFD.
ADC Failure
Pilot Action
1. Use standby airspeed indicator and altimeter.
There is no backup for the VSI, but known pitch attitudes using
the attitude indicator, power settings, and airspeeds produce
consistent rates.
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