Amber Ias Miscomp Message Comes On - Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual

SECTION 3
ABNORMAL PROCEDURES
AVIONICS/AUTOPILOT

AMBER IAS MISCOMP MESSAGE COMES ON

1. Pilot and Copilot Airspeed . . . . . . . . . . . . . . . . . . . . COMPARE
2. PITOT/STATIC HEAT Switch. . . . . . . . . . . . . . . . . . CHECK ON
The standby airspeed indicator uses the same
pitot-static sources as the pilot's side air data
computer (ADC1). Do not use standby airspeed
indicator as sole source in determining correct
airspeed.
IF COPILOT PFD AND STANDBY AIRSPEED AGREE (PILOT PFD
DIFFERS)
3. SENSOR Softkey (Pilot PFD) . . . . . . . . . . . . . . . . . . . . PRESS
4. ADC2 Softkey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PRESS
5. PFD ADI Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . CONFIRM
IF PILOT PFD AND STANDBY AIRSPEED AGREE (COPILOT PFD
DIFFERS)
3. Pilot and Copilot Altitude . . . . . . . . . . . . . . . . . . . . . COMPARE
IF ALTITUDES AGREE
4. Airspeed . . . . . . . . . 120 KIAS MINIMUM (on slowest indicator)
5. Monitor all three airspeed indicators during changes in power
setting or altitude to determine which indicators are inaccurate.
Indications of inaccurate airspeed include:
a. No change in indicated airspeed when power changed and
altitude maintained.
b. Indicated airspeed increases when climbing or decreases
when descending.
6. Use SENSOR reversion to select most accurate ADC on the
affected PFD.
7. Airspeed . . . . . . . . . . . . . . . . . . . RESUME NORMAL SPEEDS
IF ALTITUDES DO NOT AGREE
4. Refer to AMBER ALT MISCOMP MESSAGE COMES ON
procedure to determine most accurate ADC.
3-70
(Continued)
(if clouds or visible moisture present)
WARNING
(amber BOTH ON ADC2 shown on both PFDs)
U.S.
MODEL 208B 867 SHP
GARMIN G1000
(with standby airspeed indicator)
FAA APPROVED
208BPHCUS-00
CESSNA