190-00709-04 Rev. A
Garmin G1000 Pilot’s Guide for the Socata TBM 850
31
SYSTEM OVERVIEW
Because of the tighter protection limit on approaches, there may be times when RAIM is not available. The
G1000 automatically monitors RAIM and warns with an alert message when it is not available. If RAIM is not
predicted to be available for the final approach course, the approach does not become active, as indicated by
the messages “Approach is not active” and “RAIM not available from FAF to MAP”. If RAIM is not available
when crossing the FAF, the missed approach procedure must be flown.
Predicting RAIM availability
1)
Select the GPS Status Page.
2)
If necessary, select the
RAIM
Softkey.
3)
Press the
FMS
Knob. The ‘WAYPOINT’ field is highlighted.
4)
Turn the small
FMS
Knob to display the Waypoint Information Window.
5)
Enter the desired waypoint:
a)
Use the
FMS
Knob to enter the desired waypoint by identifier, facility, or city name and press the
ENT
Key. Refer
to Section 1.7 for instructions on entering alphanumeric data into the G1000.
Or
:
a)
Use the large
FMS
Knob to scroll to the Most Recent Waypoints List.
b)
Use the small FMS Knob to highlight the desired waypoint in the list and press the
ENT
Key. The G1000
automatically fills in the identifier, facility, and city fields with the information for the selected waypoint.
c)
Press the
ENT
Key to accept the waypoint entry.
6)
Use the
FMS
Knob to enter an arrival time and press the
ENT
Key.
7)
Use the
FMS
Knob to enter an arrival date and press the
ENT
Key.
8)
With the cursor highlighting ‘COMPUTE RAIM?’, press the
ENT
Key. Once RAIM availability is computed, one
of the following is displayed:
• ‘COMPUTE RAIM?’—RAIM has not been computed for the current waypoint, time, and date combination
• ‘COMPUTING AVAILABILITY’—RAIM calculation in progress
• ‘RAIM AVAILABLE’—RAIM is predicted to be available for the specified waypoint, time, and date
• ‘RAIM NOT AVAILABLE’—RAIM is predicted to be unavailable for the specified waypoint, time, and date
Predicting RAIM availability at present position
1)
Select the GPS Status Page.
2)
If necessary, select the
RAIM
Softkey.
3)
Press the
FMS
Knob. The ‘WAYPOINT’ field is highlighted.
4)
Press the
MENU
Key.
5)
With ‘Set WPT to Present Position’ highlighted, press the
ENT
Key.
6)
Press the
ENT
Key to accept the waypoint entry.
7)
Use the
FMS
Knob to enter an arrival time and press the
ENT
Key.
Summary of Contents for SOCATA TBM850
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