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Figure 4-34:
Approach Modes Navigation Symbols
DME/FMS
Distance
Lateral
Deviation Line
Glideslope
Deviation Line
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-74 November 2002 9701-1153 Rev A
Marker Beacons: Flying over a marker beacon is shown by the boxed
letters “OM”, “MM”, “IM” for Outer Marker, Middle Marker, and Inner
Marker respectively. They are displayed individually above the Aircraft
Reference Symbol.
Heading Source: The current Heading Source shows in the lower center
part of the display. This symbol gives the source of the heading, which is
identified by one of the sets of characters that follow:
Symbol Status
“MAG” Normal
“MAG1” Both on 1
“MAG2” Both on 2
“TRU” Normal
“TRU1” Both on 1
“TRU2” Both on 2
If the heading source is not valid, the Heading Source symbol is boxed.
Excessive Localizer Deviation: Excessive Localizer Deviation shows as a
right or left-pointing triangle to the side of the Flight Path symbol to give
the direction of correction for the aircraft. The symbol flashes continuously
until the localizer deviation is within limits.
Excessive Glideslope Deviation: shows as a downward or upward-pointing
triangle above or below the Flight Path symbol to give direction of
correction for the aircraft. The symbol flashes continuously until the
glideslope deviation is within limits.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-75
Figure 4-35:
Approach Modes Navigation Symbols
Heading
Excessive Source
Glideslope
Deviation
Excessive
Localizer
Deviation
Marker
Beacons
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-76 November 2002 9701-1153 Rev A
FMS Waypoint Identifier: The FMS Waypoint Identifier identifies the
next FMS waypoint on the flight plan. This symbol shows in the lower left
corner of the display when flight-path data is set. If an FMS LNAV alert
occurs, the symbol flashes continuously.
FMS Messages: The FMS Messages are shown on one to two lines to give
data about FMS conditions. Eight characters can show on each line. This
symbol shows under the FMS Waypoint Identifier and flashes continuously.
FMS Reference Altitude: FMS Reference Altitude is shown above the
Altitude Scale when the FMS flight plan is in use, the altitude is followed
by “VN” and is the next FMS flight plan altitude.
FMS Vertical Speed: FMS Vertical Speed followed by “VN” give the
vertical speed that should be maintained to reach the FMS Waypoint
Reference Altitude. It is displayed in the lower right corner of the display.
Flight Director Transfer Message: “FD2” below the HGS and FCS modes
in the upper left corner of the Combiner display is shown when the left-side
pilot’s Flight Director source is #2.
Autopilot Disconnect Message: shows “DISC” to the left of the “AP”
symbol on the Combiner display when AIII Mode is active and the autopilot
is engaged. This symbol first shows at 1,000 feet AGL. However, when the
aircraft below 650 feet AGL, the symbol “DISC” flashes.
If the autopilot is not disconnected by 500 feet AGL the Approach Warning
(“APCH WARN”) message comes on.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-77
Figure 4-36:
Approach Modes Navigation Symbols
Figure 4-37:
Approach Modes Navigation Symbols
FMS
Vertical Speed
FMS Reference
Altitude
FMS Waypoint
Identifier
FMS
Messages
Flight Director
Transfer Message
Autopilot
Disconnect
Message
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-78 November 2002 9701-1153 Rev A
Approach Modes Flight Path Symbol Group
See Figure 4-38 thru Figure 4-42. Table 4-19 gives the Approach Modes
Flight Path Symbol Group.
Table 4-19: Approach Modes Flight Path Symbol Group
Symbol
AIII
AII
AI
RO
F/D
VMC
Flight Path Symbol ● ● ● ● ●
Flight Path Acceleration ● ● ● ● ● ●
Speed Error Tape ● ● ● ● ●
HGS-Derived Guidance Cue ● ● ●
FCS-Derived Guidance Cue ●
Glideslope Reference Line ● ● ● ● ●
Flight Path Slip/Skid Indicator ● ● ● ● ●
“IDLE” Message ●
Flare Command ●
Flare Cue ● ● ● ●
Flight Path Symbol (FPS): The Flight Path Symbol is unique information
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