Garmin Flight Deck 100 User Manual

190-00728-04  Rev. A

®

459

The Selected Altitude should be set before selecting Flight Level Change Mode.

Flight  Level  Change  Mode  is  selected  by  pressing  the  FLC  Key.    This  mode  acquires  and  maintains  the

Airspeed  Reference  (in  IAS  or  Mach)  while  climbing  or  descending  to  the  Selected Altitude (shown above 
the Altimeter). When Flight Level Change Mode is active, the flight director continuously monitors Selected
Altitude, airspeed, Mach, and altitude.

The  Airspeed  Reference  is  set  to  the  current  airspeed  upon  mode  activation.    Flight  Level  Change  Mode

is  indicated  by  a  green  ‘FLC’  annunciation  in  the  AFCS  Status  Box.    The  Airspeed  Reference  is  displayed
directly above the Airspeed Indicator, along with a cyan Airspeed Reference Bug corresponding to the Airspeed
Reference along the tape.

Engine power must be adjusted to allow the autopilot to fly the aircraft at a pitch attitude corresponding 

to the desired flight profile (climb or descent) while maintaining the Airspeed Reference. The flight director
maintains the current altitude until either engine power or the Airspeed Reference are adjusted and does not 
allow the aircraft to climb or descend away from the Selected Altitude.