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Flight Crew Operating Manual
CSP A--013
MASTER
Primary Mode --- Flight Path Indications
Figure 12---70---25 Sheet 2
10 10
AP 10
SYNC
PRI
HDG
ALT
LOC 1
GS
5 5
24
1700
--5 --5
M .545
240
220
200
180
160
VOR 1
10.0 NM
190 GS
ADF1
ADF2
0.0 VS
21
30
2 000
100
900
800
00
000
1
Acceleration Deceleration
On the ground
Provides an indication of when the flare maneuver should
be initiated, but not how to perform the flare maneuver.
Display criteria:
Displayed in flight during Primary (Flight) mode and
F/D, VMC, AI and AII approach and landing modes.
Comes on at 60 feet AGL, and flashes until 30
feet AGL.
+ +
Flare Cue
Flight Path Acceleration Symbol
Displays the inertial acceleration of the airplane along the
flight path.
If displayed above the flight path symbol, the airplane is
accelerating. If displayed below the flight path symbol, the
airplane is decelerating.
On the ground, the flight path acceleration symbol is
displayed off the left wing of the boresight symbol.
During windshear conditions, below 400 feet AGL, the flight
path acceleration symbol is removed.
The symbol has a masking window which obscures most
other symbols that it overlays except the guidance cue,
runway lines, approach status message, TCAS box and
windshear messsage.
Displayed only during a
Category III approach. Provides
guidance on how to perform the
correct flare maneuver.
(Double cross symbol) Flare Command
+ (Single cross symbol)
-- Masking
window
REV 56, Jan 31/03
Vol. 1 12--70--60
FLIGHT INSTRUMENTS
Head--Up Guidance System
Flight Crew Operating Manual MASTER
CSP A--013
Primary Mode --- Environmental Indications
Figure 12---70---26
10 10
30
SYNC
PRI
GA
GA/WS
5 5
24
1700
--5 --5
M .545
240
220
200
180
160
VOR 1
10.0 NM
GS
--0.9 VS
21
30
2 000
100
900
800
00
000
1
Wind Speed and
Direction
Displayed only in flight
and when wind speed
is more than 3 knots.
Digital readout
indicates wind speed
from 0 to 256 knots at
1--knot increments.
Wind vector (arrow)
indicates relative
direction.
The windshear warning
message is driven by the
airplane’s GPWS. The
message flashes initially
for 3 seconds, then
comes on steady to
indicate that a severe
decreasing performance
windshear condition has
been encountered.
(siren)
“WINDSHEAR”
“WINDSHEAR”
“WINDSHEAR”
WINDSHEAR
WINDSHEAR
CAUTION
Displayed during a windshear
warning or caution, when below
1,500 feet radio altitude, and / or
when airplane is 25 from stick
shaker point.
Displays amount of pitch
attitude change that can be
made before airplane reaches
stick shaker angle--of--attack.
The F/D guidance cue becomes
solid and flashes for 3 seconds,
then remains solid for as long
as windshear escape guidance
(TO/WS or GA/WS mode) is
active.
If the HGS is operating during
a windshear, the HGS primary
mode (PRI) will automatically
pop--up to provide guidance.
NOTE F/D Guidance Cue
(Windshear)
Windshear Warning
Message
Windshear Caution
Message
The windshear caution
message is driven by the
airplane’s GPWS. The
message indicates that an
increasing performance
windshear condition has
been encountered.
Pitch Limit Marker
(alpha--margin indicator)
170
Vol. 1 12--70--61
REV 56, Jan 31/03
FLIGHT INSTRUMENTS
Head--Up Guidance System
Flight Crew Operating Manual
CSP A--013
MASTER
Unusual Attitude Display
Figure 12---70---27
900
000
100
800
700
--1.5 VS
10
240
220
200
180
160
This symbol provides an
indication of which way is up
during unusual attitudes.The
symbol is centered on the Flight
Path symbol that points towards
the Roll Pointer.
220 GS
Unusual Attitude Up Arrow
--
5
15
15
21
10
10
Note
The unusual attitude up arrow
comes on and asssociated
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