10 of 14
P/N 11934-S19
Section 9
Cirrus Design
Supplements
SR20
The autopilot will automatically track to the active waypoint
anytime GPS 1 has a valid waypoint programmed and the pilot
selects GPSS with the autopilot in the HD (Heading) mode.
When operating in the GPSS mode, the autopilot does not use
inputs from the HSI HDG knob or course control; therefore,
the pilot is not required to set these in any position. However,
the pilot will be required to revert to the HDG mode to
maneuver the aircraft for a holding pattern or procedure turn
since these elements are not contained in the navigator
database.
If GPSS flashes when engaged, either GPS 1 is not or does
not have an active waypoint or flight plan, or the bank angle
and ground speed signals are not being received or is not
valid.
If GPSS begins to flash, the airplane will go wings level in 0.5
to 2.0 seconds. At this time, the pilot can either enter a valid
GPS waypoint or press and release the GPSS/HDG switch to
return the autopilot to the HD (Heading) mode.
GPS Approach Procedures (With GPSS)
1.
Use Autopilot Mode Selector to select HD mode. The HD light will
come on.
2.
Select HDG mode with GPSS/HDG switch.
3.
Select and activate the desired approach on the GPS navigator
(GPS 1).
4.
Select GPSS mode with GPSS/HDG switch. Observe GPSS
illuminates steady.
5.
Verify that the autopilot immediately begins tracking to the desired
initial approach fix.
• Note •
If the selected approach contains a procedure turn or a
holding pattern, the pilot must:
a.
Set the HSI HDG bug to current airplane heading.
b.
When approaching the procedure turn, use the GPSS/HDG
switch to select the HDG mode.
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 ...
Page 308: ...9 2 P N 11934 003 Section 9 Cirrus Design Supplements SR20 Intentionally Left Blank Reissue A ...