Garmin GPSMAP 96 Owner's Manual - Page 103

Total Air Temperature, Heading, True Airspeed, Head Wind, Wind From, Wind Speed, Density Altitude

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Total Air Temperature-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. Heading-required entry for winds aloft calculation. Use heading from the aircraft's heading indicator or directional gyro. True Airspeed (calculated figure or user entered)- from entry of calibrated airspeed, baro pressure, and total air temperature. Also can be entered directly for winds aloft calculations. Head Wind (calculated figure)-from entry of heading and true airspeed. Wind From (calculated figure)-from entry of heading and true airspeed. Wind Speed (calculated figure)-from entry of heading and true airspeed. Density Altitude (calculated figure)-from entry of indicated altitude, baro pressure and total air temperature. 96/96C Owner's Manual Main Menu >  To calculate true airspeed and density altitude: 1. From the E6B Page, use the ROCKER to highlight the Indicated Altitude field at the top of the page, and press ENTER. 2. Use the ROCKER to enter the altitude shown on your altimeter. Press ENTER when finished. 3. Repeat steps 1 and 2 to enter the Calibrated Airspeed, Baro Pressure, and Total Air Temperature. (For Calibrated Airspeed, use the speed shown on your airspeed indicator. Use the current altimeter setting for Baro Pressure. Total Air Temperature is the temperature of the outside air including the heating effect caused by speed. For most aircraft, this is the temperature reading on a standard outside air temperature gauge.) 4. The calculated figures for True Airspeed and Density Altitude are shown in the designated fields. 95

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96/96C Owner’s Manual
9¶
M
AIN
M
ENU
>
Total Air Temperature
—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.
Heading
—required entry for winds aloft calculation.
Use heading from the aircraft’s heading indicator or
directional gyro.
True Airspeed
(calculated figure or user entered)—
from entry of calibrated airspeed, baro pressure, and
total air temperature.
Also can be entered directly for
winds aloft calculations.
Head Wind
(calculated figure)—from entry of
heading and true airspeed.
Wind From
(calculated figure)—from entry of
heading and true airspeed.
Wind Speed
(calculated figure)—from entry of
heading and true airspeed.
Density Altitude
(calculated figure)—from entry
of indicated altitude, baro pressure and total air
temperature.
To calculate true airspeed and density
altitude:
1. From the E6B Page, use the
ROCKER
to
highlight the
Indicated Altitude
field at the top
of the page, and press
ENTER
.
2.
Use the
ROCKER
to enter the altitude shown
on your altimeter. Press
ENTER
when finished.
3.
Repeat steps 1 and 2 to enter the
Calibrated
Airspeed
,
Baro Pressure
, and
Total Air
Temperature
. (For
Calibrated Airspeed
,
use the speed shown on your airspeed
indicator. Use the current altimeter setting for
Baro Pressure. Total Air Temperature is the
temperature of the outside air including the
heating effect caused by speed. For most
aircraft, this is the temperature reading on a
standard outside air temperature gauge.)
4.
The calculated figures for True Airspeed and
Density Altitude are shown in the designated
fields.