Recovery From Spiral Dive In The Clouds (Ahrs Failure) - Cessna Grand Caravan 208B G1000 Manual

SECTION 3
EMERGENCY PROCEDURES
DUAL AHRS FAILURE (Continued)
Before descending into the clouds, prepare for a stabilized descent as
follows:
1. Set rudder trim to neutral position.
2. Turn pitot heat on.
3. Set power for a 500 to 800 feet per minute rate of descent.
4. Set the elevator trim for a stabilized descent at 115 KIAS.
5. Use the standby attitude indicator roll pointer and index to keep
wings level.
6. Check trend of compass card movement and make cautious
corrections with rudder to stop the turn.
7. Upon breaking out of clouds, resume normal cruising flight.
RECOVERY FROM SPIRAL DIVE IN THE CLOUDS (AHRS
FAILURE)
DUAL AHRS FAILURE
If a spiral is entered while in the clouds, continue as follows:
1. Retard POWER lever to idle position.
2. Remove feet from rudder pedals.
3. Stop turn by carefully leveling the wings using aileron control to
align the roll index and roll pointer of the standby attitude
indicator.
4. Cautiously apply elevator back pressure to slowly reduce the
airspeed to 115 KIAS.
5. Adjust the elevator trim control to maintain an 115 KIAS glide.
6. Set rudder trim to neutral position.
7. Use aileron control to maintain wings level (keep roll pointer and
index aligned) and constant heading.
8. Resume EMERGENCY DESCENT THROUGH THE CLOUDS
procedure.
9. Upon breaking out of clouds, resume normal cruising flight.
3-38
U.S.
CESSNA
MODEL 208B G1000
FAA APPROVED
208BPHBUS-01