15-27190-01007-03 Rev. C
GTN 725/750 Pilot’s Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Charts
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
15.6 DALT/TAS/Winds
Density Alt / TAS / Winds — indicates the theoretical altitude at which
your aircraft performs depending upon several variables, including indi-
cated altitude (Indicated ALT), barometric pressure (BARO) and total air
temperature (TAT; the temperature, including the heating effect of speed,
read on a standard outside temperature gauge). This item computes true
airspeed (TAS) and density altitude, based upon the factors above. Also,
this feature determines winds aloft — the wind direction and speed — and
a head wind/tail wind component, based on true airspeed, aircraft heading
(HDG) and ground speed.
Touch To Select
Ground Speed
Touch To Select
Indicated Altitude
DALT, TAS, and
Winds Statistics
Touch To Select
Baro Pressure
Touch To Select
Calibrated Air
Speed
Touch To Select
Total Air Temp
Touch To Select
Track Value
Touch To Select
Heading Value
Figure 15-33 Utility DALT/TAS/Winds Page
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