Basic Autopilot functions

Cobham S-Tec
System Fifty Five X: features and functions
• Case contained, radio stack mount
• GPSS (GPS Roll Steering)
• Heading preselect & hold*
• Altitude hold with optional altitude trim
• Course intercept capability
• NAV mode
• Dual mode-HDG/NAV & HDG/APR
• VOR/LOC/GS/REV/GPS coupling with 3 gain levels
• Selectable coupling gains
• VOR/LOC/GS/REV/GPS course deviation
and NAV flag warning
• Digital vertical speed command
• Pitch trim annunciation
• Control wheel steering
Options
• DG/HSI compatible
• Single cue flight director interface compatible
• SA 200 Altitude Selector w/encoding altimeter
• ST-360 Altitude Selector/Alerter
• Remote annunciator
• Automatic or manual electric trim (where STC’d)
• Yaw Damper (where STC’d)