Avidyne IFD550 Pilot's Manual page 449

Glideslope deviation
Ground speed
Ground track
Crosstrack deviation
Vertical deviation
Display mode
Nav mode
GPS parameters
Magnetic Variation
Flight Log
Date/Time stamp
Power on
Turn rate, if available
Pressure altitude, if available
Engine Log
Date/Time stamp
Power on
Fuel Flow (gal/hr)
Fuel Used (gal)
Voltage Log
This log contains more than 50 voltages and temperatures of
each individual component. It is designed to be a diagnostics log
for Avidyne Service Center technicians.
Event Log
This log contains miscellaneous data such as all alerts,
keystrokes, system status and error messages, etc. It is a
diagnostics log for Avidyne Service Center technicians.
IFD500 Series Pilot Guide
Course select value, if known
Nav type
VOR course
GPS altitude
Distance to active waypoint
FMS course
Active waypoint information
FLTA Status
Indicated airspeed, if available
True airspeed, if available
Vertical speed, if available
Lat/Lon
Fuel Remaining (gal)
Fuel Time Remaining (min)
Fuel Economy (nm/gal)
General 7-71