S-TEC Cobham SYSTEM 55X

The S-Tec System 55X incorporates the GPS Roll Steering and tracking with glide slope capture and track, VOR/localizer/back course intercept and tracking, and vertical speed commands. The System 55X Computer/Programmer has an LCD digital display and is designed for mounting in the standard avionics stack. Options include heading pre-select, auto-trim, altitude pre-select, remote annunciator, etc.

• 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

* Operational if heading system (e.g., DG with heading bug) is installed and active.

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)