CHAPTER 4, REFERENCE GUIDE
EFD1000 PFD Pilot’s Guide
Page 4-16 A-01-184-00 REV B
EFD1000 PFD Pilot’s Guide
EFD1000 PFD Pilot’s Guide
4.2.1. True Airspeed
The True Airspeed (TAS) is displayed on the upper left of the Data Bar with a value
range of 20 – 999 knots or mph, using the same unit of measurement as the Airspeed
Indicator. The TAS is a correction of the IAS for nonstandard pressure and temperature.
4.2.2. Ground Speed
The Ground Speed (GS) is digitally displayed on the lower left corner of the Data Bar
with a value range of 5 – 999 knots or mph, using the same unit of measurement as the
Airspeed Indicator.
4.2.3. Outside Air Temperature
The Outside Air Temperature (OAT) is digitally displayed on the center of the Data Bar.
The temperature is obtained from the temperature sensor located in the RSM and
rendered in degrees Celsius (C) ranging from -99 – 999 degrees.