7-42 P/N 11934-004
Section 7 Cirrus Design
Airplane and Systems Description SR20
Fuel Indicating
Fuel system information is displayed as analog-style gages and text
on the MFD’s ENGINE page. When the ENGINE page is not active or
in the case of an electronic display failure (backup mode), fuel flow is
displayed along the LH edge of the display. Fuel data is acquired by
the Engine Airframe Unit which transmits the data to the Engine
Indicating System for display as described in the following pages.
• Note •
A “Red X” through any electronic display field indicates that
the display field is not receiving valid data and should be
considered inoperative.
Fuel System Annunciations
Fuel system health, caution, and warning messages are displayed in
color-coded text in the Crew Alerting System (CAS) window located to
the right of the Altimeter and Vertical Speed Indicator. In combination
with a CAS alert, the affected fuel parameter displayed on the
ENGINE page changes to the corresponding color of CAS alert and
the annuncation system issues an audio alert.
• Note •
For specific pilot actions in response to Fuel System
Annunciations, refer to the Fuel System procedures contained
in Section 3 - Emergency Procedures, and Section 3A -
Abnormal Procedures.
For additional information on Engine Instrument Markings and
Annunciations, refer to Section 2 - Limitations.
For additional information on the System Annunciations And
Alerts, refer to the Perspective Integrated Avionics System
description in this section.
Fuel Quantity Gage
A dual reading 2¼” fuel quantity gage is installed on the console
immediately forward of the fuel selector valve. The LEFT pointer
indicates left tank fuel quantity and sweeps a scale marked from 0 to
28 U.S. gallons in 2½-gallon increments. The RIGHT pointer sweeps
an identical scale for the right tank. Each scale is marked with a yellow
arc from 0 to 8.2 U.S. gallons. The indicators are calibrated to read 0
gallons when no usable fuel remains.
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