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E6B

E6B

E6B flight computers are used during flight planning (on the ground before takeoff) to aid in calculating fuel burn, wind correction, time en route, and other items. The following forms replicate the functions of an E6B. In the air, the flight computer can be used to calculate ground speed, estimated fuel burn and updated estimated time of arrival.

1. Wind Speed

Result can be either Knots or MPH based on consistent entry of the same designation.
Ground Speed
True Airspeed
Course
Heading
Calculated Wind Speed =

2. Wind Direction

Result can be either Knots or MPH based on consistent entry of the same designation.
Ground Speed
True Airspeed
Course
Heading
Calculated Wind Direction =

3. Heading, Ground Speed, And Wind Correction Angle

Result can be either Knots or MPH based on consistent entry of the same designation.
Wind Speed
Wind Direction
True Airspeed
Course
Calculated Heading
Calculated Ground Speed
Calculated Wind Correction Angle

4. Course, Ground Speed, And Wind Correction Angle

Result can be either Knots or MPH based on consistent entry of the same designation.
Wind Speed
Wind Direction
True Airspeed
Heading
Calculated Course
Calculated Ground Speed
Calculated Wind Correction Angle

5. Density Altitude

Pressure Altitude (Ft)
Actual Temperature
Calculated Density Altitude =

6. Runway Crosswinds

 Runway Compass Heading
 Wind (From) Compass Direction
 Wind Speed In Knots or MPH
Calculated Crosswind In Knots or MPH From
Calculated Forward Ground Speed In Knots or MPH

7. Fahrenheit to Celsius

This conversion of temperature is made using the formula Fahrenheit = ((9/5)*Celsius)+32
°F
Calculated Temperature = °C

8. Celsius to Fahrenheit

This conversion of temperature is made using the formula Celsius = (5/9)*(Fahrenheit-32);
°C
Calculated Temperature = °F

9. Wind Chill

Wind chill cannot be accurately calculated for outside air temperatures (OAT) greater that 50 °F (10 °C) and wind speeds less than 4 MPH (3.5 Knots).
Temperature (OAT) °F °C
Wind MPH Knots
Calculated Wind Chill = °F or °C

10. Heat Index

Determine the heat index from the outside air temperature (OAT) and Relative Humidity.
Temperature (OAT) °F °C
% Relative Humidity
Calculated Heat Index = °F or °C

11. Dewpoint

Calculate the Dewpoint from the outside air temperature (OAT) and Relative Humidity
Temperature (OAT) °F °C
% Relative Humidity
Calculated Dewpoint = °F °C

12. Relative Humidity

Calculate the Relative Humidity from the outside air temperature (OAT) and Dewpoint
Temperature (OAT) °F °C
Dewpoint °F °C
Calculated Relative Humidity = %

13. Pressure Conversion

Convert Millibars to Inches of Mercury and Inches of Mercury to Millibars
Millibars Inches Mercury
Converted Barometric Pressure =

14. Miles Per Hour To Knots

This conversion of speed (or distance) is made using the formula (Knots (or nautical miles) = MPH (or miles) * 0.86897624)
MPH or Statute Miles
Calculated Knots Or Nautical Miles =

15. Knots to Miles Per Hour

This conversion of speed (or distance) is made using the formula (MPH (or statute miles) = Knots (or nautical miles) * 1.15077945)
Knots or Nautical Miles
Calculated MPH or Statute Miles =

16. True Airspeed (TAS or KTAS)

Result can be either Knots or MPH based on consistent entry of the same designation. The formula is (IAS) + (.02 x MSL / 1000).
Indicated Airspeed
MSL Altitude
Calculated True Airpeed =
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