TM 1-1510-225-10
3A-47
(2) Lubber Line. Aircraft heading is read
from the compass card under the lubber line.
(3) Double Bar Pointer. The double bar
pointer displays the magnetic heading to the selected
VOR, TACAN, NDB, or FMS waypoint.
(4) Compass Card. This rotating card
repeats gyro stabilized magnetic compass information.
Aircraft heading is read from the compass card under
the orange lubber line.
(5) Double Bar Pointer ADF / NAV Push-
Button Selector Switch. The double bar pointer
ADF/NAV push-button selector switch is used to select
the NAV system providing bearing information to the
double bar pointer.
(6) Single Bar Pointer ADF / NAV Push-
Button Selector Switch. The single bar pointer
ADF/ NAV push-button selector switch is used to select
the NAV system providing bearing information to the
single bar pointer.
(7) Single Bar Pointer. The single bar
pointer displays the magnetic heading to the selected
VOR, TACAN, NDB, or FMS waypoint.
3A-28. FLIGHT
MANAGEMENT
SYSTEM
(GNS -XLS).
a. Description. The flight management system
is an integrated system that provides the flight crew
with centralized control of the navigation sensors, flight
planning,
fuel
management,
and
frequency
management for most avionics. The system uses a
full-color flat panel Liquid Crystal Display (LCD), an
alphanumeric
and
function
keyboard,
a
Global
Positioning System (GPS) sensor, and a navigation
database.
b. Database. An electronic database is loaded
into the flight management system at the time of
manufacture.
The
database
includes
current
worldwide navaids and airport reference points for all
airports with runways of 3,000 feet or greater. The
database includes the following.
(1) VHF Navaids. All VHF ground based
navaids including the following.
1. VOR/DME stations.
2. VOR only stations.
3. DME only stations.
4. VORTAC stations.
5. TACAN stations.
6. ILS/DME stations.
1. Heading Flag
2. Lubber Line
3. Double Bar Pointer
4. Compass Card
5. Double Bar Pointer ADF/NAV Push-Button
Selector Switch
6. Single Bar Pointer ADF/NAV Push-Button
Selector Switch
7. Single Bar Pointer
Figure 3A-22. Radio Magnetic Indicator (RMI)
