8
P/N 11934-002
Section 9
Cirrus Design
Supplements
SR20
Section 4 - Normal Procedures
Refer to Section 7 – Systems Description
for a description of the
autopilot and its modes.
Autopilot Pre-Flight Test
1.
Battery Master Switch ............................................................... ON
2.
Avionics Power Switch .............................................................. ON
Note that all autopilot annunciators, except TRIM UP and DN,
illuminate. After a few seconds all lights will go out. When the turn
coordinator gyro has reached operational RPM, the green RDY
light will illuminate.
3.
ST (Stabilizer) Mode ..............................................................TEST
a.
Momentarily depress Autopilot Mode Selector, and note that
ST (Stabilizer) light illuminates.
b.
Then rotate Mode Selector Knob left then right. Note that
control yokes follow movement of knob.
4.
Heading Mode........................................................................TEST
a.
Center the HDG bug under the lubber line on the HSI or DG.
b.
Momentarily depress Autopilot Mode Selector, and note that
HD (Heading) light illuminates.
c.
Then rotate HDG knob on the DG or HSI to the left then right.
Note that control yokes follow movement of knob. Then return
HDG bug to lubber line.
5.
Overpower Test:
a.
Grasp control yoke and input left and then right aileron to
overpower autopilot. Overpower action should be smooth with
no noise or jerky feel.
6.
Radio Check:
a.
Turn on NAV1 radio, with a valid NAV signal, select VLOC for
display on CDI or HSI.
b.
Use Autopilot Mode Selector to engage TRK LO mode and
move OBS so that VOR deviation needle moves left or right.
Note that control yokes follow direction of needle movement.
Revision 1: 12-07-04
Summary of Contents for SR20
Page 10: ...1 2 P N 11934 003 Section 1 Cirrus Design General SR20 Intentionally Left Blank Revision A3 ...
Page 22: ...2 2 P N 11934 003 Section 2 Cirrus Design Limitations SR20 Placards 2 21 Revision A6 ...
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