I A P 2 0 2 3 . 0 0 1 - A F M / I R I S T E X A N I I P A G E | 148
FOR SIMULATION USE ONLY – NOT A TRAINING AID
NAVIGATION INFORMATION DISPLAY
The navigation information is displayed as OFF, VOR/LOC, TACAN or FMS source.
Selection of the navigation source is accomplished by pressing L4, which cycles to
the next available navigation source with each successive press of L4. When the
navigation source is FMS, the source name is displayed in magenta, VOR/LOC in
white.
Navigation Source Displayed Information
OFF Blank Blank Blank
FMS Desired Track Active Waypoint
Identifier
Distance to Active
Waypoint
TCN Tuned TACAN
Channel
Active TACAN
Identifier
Distance to TACAN
VOR not in ILS
Mode
Tuned VOR
Frequency
Distance to VOR Blank
VOR in ILS Tuned ILS
Frequency
Distance to tuned
ILS
DME Held
Frequency
VOR with DME
Hold
Tuned VOR
Frequency
Distance to tuned
DME
DME Held
Frequency
The navigation information is displayed in three lines and all information is
displayed in white text, with the exception of the DME distance and frequency if DME
hold is on, which is displayed in orange, and the FMS active waypoint identifier,
which is displayed in white with a magenta background.
MARKER BEACON ANNUNCIATIONS
The marker beacon annunciations are displayed toward the upper right corner of
the HSI section of the PFD, when a localizer frequency is tuned, and are used to
indicate overflight of the outer (OM), middle (MM), and inner (IM) marker beacons
during an ILS precision approach.
When invalid data is received, the marker beacon legend disappears with no
appearance of asterisks.
Accelerometer
The accelerometer scale displays the instantaneous normal acceleration of the
aircraft in units of “G” from a minimum airframe value of -3.5G to a maximum
airframe value of +7G.
The exact instantaneous value is displayed digitally in the centre of the dial.
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