Aviation's Panel Mount Avionics Installation Leader

EXCLUSIVE OFFER: Upgrade your System 55 to a used System 55X two-axis autopilot for only $5,000 plus labor!  Now get GPSS roll-steering and the ability to do altitude preselect with the Garmin G500/600.  Limited quantity of used units available.

Please call for more information, or to get a customized quote for your aircraft.

  • 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.

  • DG/HSI compatible
  • Single cue flight director interface compatible
  • SA 200 Altitude Selector w/encoding altimeter
  • ST-360 Altitude Selector/Alerter
  • Remote annunciator
  • Yaw Damper (where STC’d)

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.