S-TEC System 55X User Manual

P/N 13772-108 1 of 24
Cirrus Design Section 9
SR22 Supplements
Pilot’s Operating Handbook and
FAA Approved Airplane Flight Manual
Supplement
For
S-Tec System 55X Autopilot w/
Altitude Selector/Alerter
When the S-Tec System Fifty Five X (55X) Autopilot with Altitude
Selector / Alerter is installed in the Cirrus Design SR22, this
Supplement is applicable and must be inserted in the Supplements
Section (Section 9) of the Cirrus Design SR22 Pilot's Operating
Handbook. This document must be carried in the airplane at all times.
Information in this supplement adds to, supersedes, or deletes
information in the basic SR22 Pilot's Operating Handbook.
• Note •
This POH Supplement Revision dated Revision 5: 08-15-07,
supersedes and replaces Revision 4 of this supplement dated
07-18-05.
Revision 5: 08-15-07

S-TEC System 55X Specifications

General

Model	System 55X
Operating Voltage	14/28 VDC
Compatibility	General Aviation Aircraft
Manufacturer	S-TEC
Axes	Two-axis
Modes	Heading, Nav, Approach, Altitude Hold
Functions	altitude hold
Certification	TSO-C9c

Summary

Section 1 - General Autopilot Overview

Section 2 - Autopilot Limitations

Section 3 - Emergency Procedures

Autopilot Malfunction

Procedures for autopilot malfunction, including disconnection and altitude loss.

System Failure and Caution Annunciations

Section 4 - Normal Procedures

Autopilot and Altitude Selector Pre-Flight Tests

Steps for performing pre-flight checks of the autopilot and altitude selector systems.

Autopilot Tests

Detailed procedures for testing autopilot modes like Heading, Vertical Speed, Altitude Hold, etc.

In-Flight Procedures

Detailed operational procedures for various autopilot modes including Heading, Altitude, Vertical Speed, GPS, VOR, and Glideslope tracking.

Section 5 - Performance

Section 6 - Weight & Balance

Section 7 - Systems Description

Autopilot

Overview of the S-Tec System 55X Autopilot's components and functions.

Autopilot Modes and Components

Detailed explanation of autopilot modes (HDG, GPSS, APR, GS, ALT, VS) and the Altitude Selector/Alerter functions.