Textron Cessna Grand Caravan Ex 208B Pilot's Operating Handbook And Faa Approved Airplane Flight Manual page 185

CESSNA
MODEL 208B 867 SHP
GARMIN G1000
AVIONICS/AUTOPILOT
AMBER ALT MISCOMP MESSAGE COMES ON
IF UNABLE TO IDENTIFY ACCURATE ALTITUDE SOURCE
7. Land as soon as practical. Consider diversion to visual
conditions.
8. Maintain altitudes based on LOWEST indicated altitude.
9. ATC. . . . . . . . ADVISE (of inability to verify correct altitude)
10. If unable to descend into visual conditions, plan ILS
approach with course intercept well outside the Final
Approach Fix (FAF).
11. Once glideslope is captured, determine most accurate
altitude source when crossing FAF.
12. Reference ILS Decision Height to most accurate altimeter
based on FAF crossing.
TAWS alerts are based on GPS altitude and position
information and are independent of ADC data. If a
TAWS alert is received, it should be considered
valid and appropriate terrain avoidance action
should be taken.
IF AMBER ALT MISCOMP MESSAGE GOES OFF
3. Continue flight as planned.
FAA APPROVED
208BPHCUS-01
ABNORMAL PROCEDURES
(Continued)
WARNING
SECTION 3
(Continued)
U.S. 3-69