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Aviation Alerts and Advisories

Service Alert 1232 Rev A: Altitude oscillations, diverging pitch oscillations, or deviations from the commanded flight path may occur

AFFECTED PRODUCTS

All Lancair Evolution Aircraft with GFC 700 installations are affected.

PURPOSE

While flying in turbulent conditions with the autopilot engaged, affected aircraft may experience pitch oscillations that can cause deviations from the desired flight path.

PILOT ACTION REQUIRED

If the aircraft deviates from the intended path, the pilot should disengage the autopilot and manually fly the aircraft to the intended path, then re-engage the autopilot.

The autopilot should not be engaged in turbulent conditions.

RESOLUTION

Garmin is working to resolve this issue and will provide corrective information when available.

Download 1232