Garmin G1000 Pilot’s Guide for the Socata TBM 850
190-00709-00 Rev. A
7-24
AUTOMATIC FLIGHT CONTROL SYSTEM
ROLL HOLD MODE (ROL)
NOTE:
If Roll Hold Mode is activated as a result of a mode reversion, the flight director rolls the wings
level.
When the flight director is activated or switched, Roll Hold Mode is selected by default. This mode is
annunciated as ‘ROL’ in the AFCS Status Box. The current aircraft bank angle is held, subject to the bank angle
condition.
Bank Angle
Flight Director Response
< 6°
Rolls wings level
6 to 30°
Maintains current aircraft roll attitude
> 30°
Limits bank to 30°
Table 7-4 Roll Hold Mode Responses
Figure 7-24 Roll Hold Mode Annunciation
CHANGING THE ROLL REFERENCE
The roll reference can be changed by pressing the
CWS
Button, establishing the desired bank angle, then
releasing the
CWS
Button.
LOW BANK MODE
When in Low Bank Mode, the flight director limits the maximum commanded roll angle to 15
°
. Low bank
arc limits are displayed in green along the Roll Scale.
Low Bank Mode can be manually selected/deselected by pressing the
BANK
Key while in Heading Select
or Navigation Modes (GPS and VOR). Low Bank Mode is activated automatically climbing above 25,000 ft
(FL250), and deactivated when descending below 25,000 ft. The annunciator light next to the
BANK
Key
illuminates while Low Bank Mode is selected.
Figure 7-25 Low Bank Mode Limits
Low Bank Arc
