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6. Autopilot Annunciations
7. Aircraft Reference Symbol
8. Bank Angle Indicator
9. Skid/Slip Indicator
10. Pitch Ladder
11. Flight Director Steering Command Bars
12. Vertical Deviation Indicator (VDI)
13. Altitude Tape
14. Altitude Window
15. Vertical Speed Indicator (VSI)
16. Brightness Control (BRT/DIM)
17. Mode and Display Selection
18. Wind Vector
19. Engine Information Data Block
20. Horizontal Situation Indicator (HSI)
21. Horizontal Deviation Indicator (HDI)
22. Air Data Block
SR20_FM07_2220A
16
17 22 21 18
4 5 6 7 8 9 10 11 12 13 14 15
1
Tach 2400 RPM
MAP 32.0 in-Hg
FF 16.0 GPH
Oil 49 PSI
2 3
1 20 19 17
Primary Flight Display
March 2010
Information Manual 7-25
Cirrus Design Section 7
SR20 Airplane Description
Horizontal Situation Indicator (HSI)
Heading Data
Magnetic heading is represented in boxed numeric form at the top of
the compass rose. Heading rate (Rate of Turn Indicator) takes the form
of a blue arcing arrow that begins behind the magnetic heading
indicator and moves left or right accordingly. Graduations are provided
on the rate-of-turn indicator scale to indicate half and full standard-rate
turns. A heading bug is also provided on the compass rose.
Navigation Data
Navigation data on the PFD takes several forms. A course deviation
indicator (CDI) is always provided on the HSI and a bearing pointer
can be optionally selected for display on the HSI by the pilot. Controls
for selecting the source of navigation data, selecting the display format
of the navigation data, and for selecting the type of compass rose and
moving map to be displayed are along the left side of the PFD. The
active flight plan contained in the GPS Nav/Com unit selected as the
primary navigation source (Nav) can be optionally selected for display
on the HSI as well as the desired range of the optionally selectable
moving map display. If a localizer or ILS frequency is tuned and
captured in the GPS Nav/Com selected as the Nav source, a vertical
deviation indicator (VDI) and horizontal deviation indicator (HDI) are
automatically displayed on the ADI.
• Note •
In the event glide slope or localizer signals are lost, the HDI
and/or VDI will be displayed as red-“X”s to indicate loss of
signal. The red-“X”’ed indicator will only be removed if the
signal is regained, the Nav Source is changed on the PFD, or
if the GPS Nav/Com is retuned to another frequency.
Appropriate action must be taken by the pilot if on an
approach.
For a detailed description of the PFD, refer to the Avidyne FlightMax
Entegra-Series PFD Pilot’s Guide.
March 2010
7-26 Information Manual
Section 7 Cirrus Design
Airplane Description SR20
Attitude Indicator
• Note •
Serials 1337 and subsequent with SRV standard
configuration: The airplane is not equipped with a standby
attitude indicator.
Serials 1337 and subsequent without SRV configuration: The
standby attitude indicator is mounted on the LH bolster panel.
The attitude indicator gives a visual indication of flight attitude. Bank
attitude is indicated by a pointer at the top of the indicator relative to
the bank scale with index marks at 10°, 20°, 30°, 60°, and 90° either
side of the center mark. A fixed miniature airplane superimposed over
a movable mask containing a white symbolic horizon bar, which
divides the mask into two sections, indicates pitch and roll attitudes.
The upper “blue sky” section and the lower “earth” sections have pitch
reference lines useful for pitch attitude control. The indicator can follow
maneuvers through 360° in roll and 360° in pitch. A knob at the bottom
of the instrument allows adjustment of the miniature airplane to the
horizon bar for a more accurate flight attitude indication.
A PULL TO CAGE knob on the indicator is used for quick erection of
the gyro. When the caging knob is pulled, the pitch and roll indications
will align to within 2° of their respective fixed references.
The instrument is electrically driven and a red GYRO flag indicates
loss of electrical power. Redundant circuits paralleled through diodes
at the indicator supply DC electrical power for gyro operation. 28 VDC
for attitude gyro operation is supplied through the 3-amp Attitude #1
circuit breaker on the Essential Bus and the 3-amp Attitude #2 circuit
breaker on the Main Bus 2.
March 2010
Information Manual 7-27
Cirrus Design Section 7
　
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