Published On: May 17th, 2021By Categories: Feature, New, News3.9 min read
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Garmin® International, Inc., a unit of Garmin Ltd. (NASDAQ:GRMN), today announced it has received Federal Aviation Administration (FAA) Supplemental Type Certificate (STC) approval for the GFC™ 600 digital autopilot in select Cessna CitationJet 525 models1, the first jet certification for this popular autopilot solution. The GFC 600 digital autopilot delivers superior in-flight characteristics and new operational capabilities such as autopilot-coupled Vertical Navigation (VNAV) descent, auto Course Deviation Indicator (CDI) switching, fully coupled go-around capability and much more.

“We are thrilled to announce the first jet aircraft approval for the GFC 600 digital autopilot, providing these turbofan aircraft with a modern and advanced autopilot upgrade and further simplifying single-pilot operations,” said Carl Wolf, Garmin vice president of aviation sales and marketing. “The GFC 600 combines our state-of-the-art flight control capabilities with hardened smart servos specifically tailored to the demands of turbofan aircraft. With this upgrade, it is easier than ever for CJ owners and operators to get the most out of their aircraft.”

For Cessna CitationJet owners and operators, the GFC 600 digital autopilot will be installed as part of a complete package that requires single or dual G600 TXi 10.6” flight display(s), dual GTN or GTN Xi Series navigators, and a GI 275 electronic flight instrument configured as a standby flight instrument. With this installation, the system offers new operational capabilities and features including autopilot-coupled VNAV descents, automatic GPS-to-LOC switching during ILS/LOC approaches, fully coupled missed approaches and supports Reduced Vertical Separation Minima (RVSM) operations, among other features. Further, the installation of the GFC 600 digital autopilot also removes the requirement to retain the power inverter driving the legacy autopilot, aiding in weight savings. Optional upgrades include a dedicated PFD controller, audio panel, ADS-B transponder, Iridium datalink, weather radar, datalink SiriusXM weather, and Garmin Connext connectivity via the Flight Stream 510 wireless gateway.

To optimize selection and control of GFC 600 modes, a compact self-contained autopilot controller incorporates backlit keys and a bright, sunlight-readable display that depicts autopilot status and mode selection. An intuitive built-in control wheel also provides convenient adjustment of aircraft pitch, airspeed and vertical speed modes. The GFC 600 also features a dedicated level mode (LVL) button, an active safety-enhancing feature that gives the pilot a single touch autopilot-engage button to command the aircraft to roll wings level and pitch to a level attitude, if momentarily distracted or disoriented.

The GFC 600 offers environmentally hardened autopilot servos designed for harsh operating
conditions. Its brushless DC motors offer improved performance and reduce maintenance requirements
when compared to decades-old servo designs on the market today. In addition, these smart servos are
optimized specifically for turbine operations by offering broader speed scheduling in addition to more
torque to help better command and respond to control demands required of turbine aircraft.
As a standard feature, pilots receive Garmin Electronic Stability and Protection (ESP™) with the
GFC 600 digital autopilot, which works to assist the pilot in maintaining the aircraft in a stable flight
condition. ESP functions independently of the autopilot and works in the background when the pilot is
hand-flying the aircraft to help avoid inadvertent flight attitudes or bank angles and provides airspeed

Additional capabilities of the GFC 600 include:
• Traditional autopilot functions with modern capability such as altitude pre-select2 and indicated
airspeed hold mode
• Select, couple to, and fly various instrument approaches, including GPS, ILS, VOR, LOC and
back course approaches3
• Built-in GPS roll steering capability eliminates the need for external roll steering converters,
allowing for smoother navigation tracking
• Underspeed protection helps prevent the aircraft from entering a stall condition
• Overspeed protection helps prevent the aircraft from exceeding aircraft maximum speed (VNE)
• Yaw Damping (YD) mode minimizes yawing oscillations while also helping to maintain
coordinated flight by keeping the slip/skid indicator centered
• Flight Director command bars are displayed on the G600 TXi flight display
• Fly coupled ‘go-arounds’ during missed approach sequencing with a remotely installed go around
button that commands the Flight Director to display the appropriate pitch attitude
required for the missed approach procedure and activates a loaded missed approach when
paired with a GTN 650/750 or GTN 650/750 Xi navigator
• Pitch-trim servo provides automatic trim and manual electric trim with improved speed
• Control wheel steering allows the pilot to adjust pitch, roll, altitude hold, vertical speed or
airspeed references using the control yoke while the autopilot is engaged

The GFC 600 digital autopilot for the Cessna CitationJet is available immediately through authorized
Garmin dealers. To view the most up-to-date aircraft STC list, to view certifications that are expected to
begin in the next 12-months, or to express interest in a specific aircraft make/model for the GFC 600,
visit For additional information, visit:

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