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Garmin aera 500 Series Pilot’s Guide
190-01117-02 Rev. A
Appendix G
160
OverviewGPS NavigationFlight PlanningHazard AvoidanceAdditional FeaturesAppendicesIndex
E6B CALCULATOR
The E6B Calculator calculates Density Altitude, True Airspeed, Tail Wind, Wind From,
and Wind Speed, based on information you enter.
Accessing the E6B calculator:
Fr
om the 'Home' Screen, touch Tools > E6B Calc.
Calculated
Figures
E6B Calculator
Barometric Pressure
from the Nearest
METAR
•
I
ndicated Altitude—
required entry for density altitude/true airspeed calculation.
Enter the aircraft’s altimeter reading.
• Baro Pressure—
when the unit is receiving XM weather information, the field auto-
matically updates to the barometric pressure of the nearest METAR. If XM weather
information is not available you need to enter the current barometric pressure.
• Calibrated Airspeed—
required entry for density altitude/true airspeed calculation.
Enter the aircraft’s airspeed indicator value.
Total Air Temp• —
required entry for density altitude/true airspeed calculation. Total
Air Temperature (TAT) is the temperature of the air including the heating effect caused
by speed. The temperature reading on a standard outside air temperature gauge found
on most piston aircraft is TAT.
Heading• —
required entry for winds aloft calculation. Use heading from the aircraft’s
heading indicator or directional gyro.