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NOTE: The Flare Cue is fixed to the Flight Path Symbol and is not
used to command or provide guidance for the flare maneuver.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-43
Figure 4-20:
PRI Mode Flight Path Symbols
Flight Path
Slip/Skid Indicator
Flare Cue FCS-Derived Guidance
Cue
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-44 November 2002 9701-1153 Rev A
Primary Mode Takeoff Symbol Group
See Figure 4-21 and Figure 4-22. Table 4-10 gives the Takeoff Mode
Symbol Group.
Table 4-10: Primary Mode Takeoff Symbol Group
PRI
Symbol
Ground
Flight
TO
Ground Roll Reference ●
Ground Localizer Deviation Scale and Pointer ●
HGS-Derived Ground Guidance Cue ●
Runway Remaining ●
Deceleration Scale and Pointer ● ●
Ground Roll Reference: The Ground Roll Reference symbol is unique
information not normally available on conventional head-down displays. It
is a circle with straight “wings” on either side. The Ground Roll Reference
shows the actual ground track of the aircraft.
Ground Localizer Deviation Scale and Pointer: If enabled, the Ground
Localizer Deviation Scale and Pointer is displayed below the Ground
Reference symbol. The pointer is centered when the aircraft is tracking the
localizer. Pointer movement away from center shows the aircraft’s lateral
deviation from the runway centerline.
HGS-Derived Ground Guidance Cue: The HGS Ground Guidance Cue
gives lateral guidance to track the runway center line during guided
takeoffs.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-45
Figure 4-21:
PRI Mode Takeoff Symbols
Ground Localizer
Scale and Pointer
HGS Ground
Guidance Cue
Ground Roll
Reference
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-46 November 2002 9701-1153 Rev A
Runway Remaining: If enabled, Runway Remaining shows the distance to
the rollout end of the runway. It is shown on the right side of the display as
“RWY” above distance.
When the runway remaining is in feet, the number is rounded to the next
lowest 500 feet. When the runway remaining is less than 500 feet, “0”
shows.
When the runway remaining is in meters, the numbers are followed by “M”
and the number is rounded to the next lowest 100 meters. When the runway
remaining is less than 100 meters, “0” shows.
Deceleration Scale and Pointer: If enabled, the Deceleration Scale and
Pointer are displayed on the ground to show the rate of deceleration. The
Deceleration Scale is located in the center of the display below the Ground
Reference symbol. If ground speed reaches 50 knots during a rejected
takeoff, the Deceleration Scale and Pointer show until ground speed is less
than 20 knots.
The pointer (“>”) moves along the scale to show aircraft deceleration. The
numbers show as -0.3, -0.5, and -0.8 G.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-47
Figure 4-22:
PRI Mode Takeoff Symbols
Deceleration Scale
and Pointer
Runway
Remaining
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
4-48 November 2002 9701-1153 Rev A
Approach Modes Symbology
Many symbols are common to all HGS modes. Common Symbol
descriptions and illustrations are duplicated in both the “Primary Mode
Symbology” and “Approach Mode Symbology” parts of this section.
Because AIII is the recommended approach mode, it is the focus of the
approach mode symbol descriptions and illustrations that follow.
Symbols for AIII, AII, AI, RO, F/D, and VMC modes are described and
illustrated in the following order:
• Attitude
• Airspeed
• Altitude
• Navigation
• Flight Path
• Rollout
Approach Modes Attitude Symbol Group
See Figure 4-23 thru Figure 4-26. Table 4-11 gives the symbols in the
Approach Modes Attitude Symbol Group.
HGS® Pilot Guide for the Bombardier CRJ 700 Model 4200
9701-1153 Rev A November 2002 4-49
Table 4-11: Approach Modes Attitude Symbol Group
Symbol
AIII
AII
AI
RO
F/D
VMC
Aircraft Reference ● ● ● ● ● ●
Roll Scale and Pointer ● ● ● ● ● ●
Zero-Degree Pitch Line ● ● ● ● ● ●
Pitch Scale ● ● ● ● ● ●
Conformal Magnetic Heading Scale
(tic marks)
● ● ● ● ● ●
Conformal Magnetic Heading Index ● ● ● ● ● ●
Roll Scale Slip/Skid Indicator ● ● ● ● ● ●
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