System 30 Auto Pilot Features and Functions

System 20/30 Auto Pilot	Features of the Auto Pilot
	Multi-Function Control Knob. Turn command and push for mode select (push and hold for A/P disconnect). Ready. Indicates A/P ready status and reliable gyro speed. Roll Stabilization Mode. Holds wings level and activates turn command knob for A/P commanded turns up to 90% standard rate. Heading Preselect and Hold. * VOR/LOC/GPS tracking, dual-LO for en route VOR tracking and smooth station passage. Hi for GPS en route and LOC, VOR and GPS approaches. Altitude Hold. * Pitch Trim Annunciator. Advises if up and down elevator trim required when altitude hold engaged. *

System 20/30 Auto Pilot

Features of the Auto Pilot

Multi-Function Control Knob. Turn command and push for mode select (push and hold for A/P disconnect).
Ready. Indicates A/P ready status and reliable gyro speed.
Roll Stabilization Mode. Holds wings level and activates turn command knob for A/P commanded turns up to 90% standard rate.
Heading Preselect and Hold. *
VOR/LOC/GPS tracking, dual-LO for en route VOR tracking and smooth station passage. Hi for GPS en route and LOC, VOR and GPS approaches.
Altitude Hold. *
Pitch Trim Annunciator. Advises if up and down elevator trim required when altitude hold engaged. *

S-TEC Two Axis Auto Pilot Comparisions

Product Comparison	System 30	System 50
Roll Features and Functions
Turn Coordinator		standard
Turn Coordinator / Roll Computer	standard
Turn Command Knob	standard	standard
Heading Select and Hold (requires heading system)	standard	standard
Navigation / Approach Tracker (track only)	standard	standard
Navigation / Approach Coupler (intercept and track)
Backcourse Mode		standard
Dual Mode Intercept HDG / NAV
Course Deviation / NAV Flag Warning
Navigation / Approach Gain Select	standard	standard
Navigation / Approach Gain Automatic
GPSS	optional	optional
Pitch Features and Functions
Altitude Hold	standard	standard
Altitude Trim
Trim Annunciation	standard	standard
Vertical Speed Command
Digital Vertical Speed Command
Glideslope Coupler
Altitude Selector / Alerter
Manual Electric Trim (where STC'd)	optional	optional
Automatic Electric Trim (where STC'd)
Other Features and Functions
Turn Coordinator / Mode Selector	standard
3 ATI Panel Mounted Mode Selector		standard
Radio Stack Mounted Mode Selector / Computer
Pedestal Mount Mode Selector
Control Wheel Mode Select	optional	optional
Control Wheel Steering
Remote Computer	standard
Remote Annunciator
Yaw Damper (where STC'd)	optional	optional