AIRPLANE
OPERATIONS
MANUAL
NAVIGATION AND
COMMUNICATION
MARCH 30, 2001
2-18-40
Page
15
Code
01
5 - DRIFT ANGLE BUG
− Color: Magenta.
− The Drift Angle Bug rotates around the compass card, providing
the reading of the airplane tracking.
6 - COURSE DEVIATION BAR
− Color: If the FMS is the navigation source for only one side, the
Course Deviation Bar will be magenta, otherwise, it will be
amber.
7 - TO/FROM POINTER
− Color: White.
8 - BEARING POINTER
− Color: Cyan for Bearing 1 (circle shaped).
White for Bearing 2 (diamond shaped).
9 - BEARING SOURCE ANNUNCIATIONS
− Color: Cyan for Bearing 1 (circle shaped).
White for Bearing 2 (diamond shaped) in single FMS
configuration.
In dual configuration there will be an indication if FMS 1
or 2 is being used.
10 - WIND VECTOR DISPLAY
− Color: Magenta.
− A single vector shows the direction of the wind relative to the
airplane symbol. The digits indicate the wind intensity in knots.
11 - DEGRADE MODE/DEAD RECKONING MODE/WAYPOINT
ANNUNCIATIONS
− Label: DGRAD for Degrade Mode (single FMS configuration only)
DR for Dead Reckoning mode.
WPT for waypoint.
− Color: Amber
− WPT is lit when the airplane is approaching the next waypoint.
12 - DISTANCE DISPLAY
− Color:
− In single configuration, if the FMS is the navigation source
for only one side, the distance readout will be magenta.
Otherwise, it will be amber.
− In dual configuration, if each FMS is the navigation source
of the respective side, the distance readout will be
magenta, otherwise it will be amber.
− The unit is white.
− The distance unit is nautical miles (NM).
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