System 55X

Part No: System 55X

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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 and flight director. Panel unit: 6.25"W x 1.5"H x 8.5"D.

  • Lighted 3” Turn Coordinator
  • Avionics Stack Mounted
  • Control Wheel Steering
  • HDG Preselect & Hold (HDG SYSTEM NOT INCLUDED)
  • Altitude Hold with Altitude Trim
  • Course Intercept Capability
    • NAV Mode
    • Dual Mode - HDG/NAV or HDG/APR
  • VOR/LOC/GS/REV/GPS Coupling with 3 Gain Levels
  • VOR/LOC/GS/REV/GPS Course Deviation and NAV Flag Warning
  • Digital Vertical Speed Command
  • Pitch Trim Annunciation
  • GPSS Mode
  • Flight Director Compatible

The Model 55X is a pure rate-based two-axis autopilot offering you smooth precise, dependable performance. Combining the programmer, computer, annunciator, and servo amplifier functions into one compact panel mount unit, the System 55X is the first S-Tec autopilot system designed specifically to be integrated into the aircraft radio panel with other avionics. It is also the first S-Tec system to feature control wheel steering.

The System 55X roll axis has heading select, VOR/Localizer front and back course intercept and tracking. It can be interfaced with RNAV, GPS, or Loran systems. The System 55X Flight Guidance Programmer/Computer converts pilot commands to logic signals for roll and pitch computer functions. Altitude Hold with Altitude Trim.

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System 55X


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