Pilot's Guide

190-00663-02 Rev. B
Garmin G1000 Pilot’s Guide for the Hawker Beechcraft C90A/GT/GTi
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AUTOMATIC FLIGHT CONTROL SYSTEM
ADDITIONAL AFCS CONTROLS
The following AFCS controls are located separately from the AFCS Control Unit:
AP/YD DISC TRIM
INTRPT Switch
(Autopilot
Disconnect/Trim
Interrupt)
Disengagesthe autopilot,yaw damper,and ightdirectorand interruptspitch trim
operation
An AP/YD DISC Switch is located on each control wheel.
This switch may be used to acknowledge an autopilot disconnect alert and mute the
associated aural tone.
CWS Button
(Control Wheel
Steering)
Whilepressed,allowsmanualcontroloftheaircraftwhiletheautopilotisengagedand
synchronizes the flight director’s Command Bars with the current aircraft pitch (if
notinaVerticalNavigation,Glideslope,orGlidepathMode)androll(ifinRollHold
Mode)
A CWS Button is located on each control wheel.
Upon release of the CWS Button, the flight director may establish new pitch and roll
references,depending on the currentvertical and lateral modes. CWSoperation
details are discussed in the respective mode sections of this manual.
GA Button
(Go Around)
SelectsightdirectorTakeoff(onground)orGoAround(inair)Mode
Ifanapproachprocedureisloadedthisbuttonalsoactivatesthemissedapproachwhen
theselectednavigationsourceisGPSorwhenthenavigationsourceisVOR/LOCand
a valid frequency has been tuned.
The GA Button is located on the left throttle.
MEPT Switch
(Manual Electric
Pitch Trim)
Used to command manual electric pitch trim
An MEPT Switch is located on each control wheel.
Thiscomposite switchissplit intoleftandrightsides. Theleft switchistheARM
contactandtherightswitchcontrolstheDN(forward)andUP(rearward)contacts.
PushingtheMEPTARMSwitchdisengagestheautopilot,ifcurrentlyengaged,but
does not affect yaw damper operation. The MEPTARM Switch maybeused to
acknowledge an autopilot disconnect alert and mute the associated aural tone.
Manualtrimcommandsaregeneratedonlywhenbothsidesoftheswitchareoperated
simultaneously.Ifeithersideoftheswitchisactiveseparatelyformorethanthree
seconds, MEPT function is disabled and ‘PTRM’ is displayed as the AFCS Status
AnnunciationonthePFDs.Thefunctionremainsdisableduntilbothsidesofthe
switch are inactivated.