Garmin Software Version 1308.10 User's Guide Page 112

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Garmin G2000 Cockpit Reference Guide for the Cessna Corvalis T240
190-01264-02 Rev. A
96
Additional Features
Flight
InstrumentsEIS
Nav/Com/
XPDR/AudioAFCSFMS Nav
Flight
PlanningProcedures
Hazard
Avoidance
Additional
Features
Abnormal
Operation
Annun/
AlertsAppendixIndex
ELECTRONIC STABILITY AND PROTECTION
The Garmin ESP
Electronic Stability and Protection system is designed to provide
automatic control inputs to discourage aircraft operation outside the normal flight
envelope. ESP works to maintain the desired pitch and roll operating envelope by
automatically engaging one or more servos when the aircraft is near a defined pitch
and/or roll operating limit. While ESP uses the same sensors, processors, and actuators
as the GFC 700 autopilot, it is a separate function. When the GFC 700 autopilot is
engaged and/or the aircraft is at or below 200 feet AGL, the ESP system will not
operate.
ESP engages when the aircraft exceeds one or more conditions (pitch, roll, and/or
Vne) beyond the normal flight parameters. Enhanced stability for each condition is
provided by applying a force to the appropriate control surface to return the aircraft
to the normal flight envelope. This is perceived by the pilot as resistance to control
movement in the undesired direction when the aircraft approaches a steep attitude, high
airspeed, or when a stall is imminent.
As the aircraft deviates further from the normal attitude or airspeed continues to
increase, the force increases (up to an established maximum) to encourage control
movement in the direction necessary to return to the normal attitude and/or airspeed
range. Except in the case of high airspeed, when maximum force is reached, force remains
constant up to the maximum engagement limit. Above the maximum engagement
limit, forces are no longer applied. There is no maximum engagement related to a high
airspeed condition.
When ESP has been engaged for more than ten seconds (cumulative; not necessarily
consecutive seconds) of a 20-second interval, the autopilot is automatically engaged
with the flight director in Level Mode, bringing the aircraft into level flight. An aural
“Engaging Autopilot” alert is played and the flight director mode annunciation will
indicate ‘LVL’ for vertical and lateral modes.
The pilot can interrupt ESP by pressing and holding the Autopilot Disconnect (AP
DISC) switch. Upon releasing the AP DISC switch, ESP force will again be applied,
provided aircraft pitch and roll attitudes are within engagement limits. ESP can also be
overridden by overpowering the servo’s mechanical torque limit.
ESP can be enabled or disabled on the Avionics Settings Screen on the Touchscreen
Controller.
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