Fd dh – BendixKing FPI 3501B System FPD 500 User Manual

Page 17

FPD 500 FLAT PANEL DISPLAY SYSTEM

EADI/EHSI Displays

3-7

Rev. 0
Jan/97

Airplane Symbol and
Horizon Bar
Airplane attitude is indicated
by the position of the fixed
aircraft symbol with respect
to the movable horizon bar.

Bank Scale and Pointer
Airplane bank angle is indicated by the
position of the white pointer on the bank
scale. Scale indices represent 0, 10, 20,
30, 45, 60 and 90 degree bank angles.

Rate of Turn Indicator
Needle indicates turn rate and
direction. Outer marks indicate
three degrees per second.

Glideslope Pointer and Scale
Pointer represents glideslope
beam and moves up or down
the glideslope deviation scale
to indicate vertical displacement
of the aircraft from the glideslope
center. In view only when
localizer is tuned and reliable
glideslope is present. The
glideslope scale and pointer are
removed when backcourse is
active.

Runway and Runway Extension Indicator
Indicates lateral displacement of the aircraft from the localizer. In
view only when a localizer is tuned. On backcourse aproaches,
the runway indicator gives reverse indications. The runway indicator
will rise vertically to indicate radio altitude from 200 feet to touchdown,
each mark on the rising runway represents 100 feet.

Command Bars
The vertical bar indicates the roll correction which the aircraft must
make to maintain a selected heading or course, and the horizontal
bar indicates the pitch correction the aircraft must make to maintain
altitude, pitch, or to track the glideslope. Bars appear when a valid
flight director mode is commanded by an external control panel.

Speed Command Circle
and Scale
Circle moves up or down
the scale to indicate
deviation from selected
airspeed.

DIM

TEST

BRT

Sky

Ground

Decision Height (DH)
Annunciation
Indicates when decision
height is reached.

Flight Director (FD)
Annunciation
Indicates when same flight
director computer is driving
command bars on both
Captain and FO sides.

Pitch Scale
Indicates amount of pitch
up/down. Graduated in 2.5

increments within

of the

horizon line and in 20

increments from 40

to 80

Decrab Symbol
Indicates rudder command
required to align aircraft with the
runway. The decrab symbol is
only displayed on an autopilot
coupled approach.

Figure 3.1-15

Normal ADI Quick Reference