# How to Use an E6B Flight Computer

Contents

## Understanding the Basic Functions

The e6b flight computer is a valuable tool for pilots to perform various calculations necessary for flight planning and in-flight navigation. Its functions range from determining airspeed, time, distance, and fuel consumption to solving wind triangle problems. Let’s explore the basic functions of the e6b flight computer and how to use them effectively.

1. Airspeed Calculation:

The e6b flight computer can be used to calculate true airspeed (TAS) based on indicated airspeed (IAS) and altitude. By setting the pressure altitude on the outer scale and aligning the air temperature with the altitude on the inner scale, the true airspeed can be read directly.

2. Time, Distance, and Fuel Calculation:

The e6b flight computer can also be used to calculate time, distance, and fuel consumption. By aligning the desired groundspeed with the given distance on the outer scale, the time required to cover that distance can be read on the inner scale. Similarly, by aligning the desired groundspeed with the given time, the distance covered can be determined. Additionally, the fuel consumption can be calculated by aligning the fuel flow with the time on the inner scale.

3. Wind Correction:

The wind triangle is a fundamental concept in aviation, and the e6b flight computer helps pilots solve wind correction problems. By determining the true course, true airspeed, wind direction, and wind speed, pilots can calculate the required heading and groundspeed to reach their destination accurately. The wind correction angle and groundspeed can be determined by aligning the true airspeed and true course with the wind correction angle and groundspeed on the inner scale.

4. Other Functions:

The e6b flight computer is equipped with other useful functions, such as converting units of measure between nautical miles and statute miles, solving density altitude problems, and computing headings and courses using true or magnetic north.

To use the e6b flight computer effectively, familiarize yourself with the scales and instructions provided with the device. Practice using the basic functions mentioned above in various flight scenarios to gain confidence and proficiency. The e6b flight computer is a reliable backup tool to assist pilots in making accurate calculations and decisions during flight.

## Performing Wind Correction Calculations

When flying in an aircraft, it is essential to take into account the effects of wind on your navigation. The e6b flight computer can assist pilots in calculating the necessary corrections to maintain an accurate heading and groundspeed despite the presence of wind. This subsection will guide you through the process of performing wind correction calculations using the e6b flight computer.

1. Gather the necessary information: Before you can begin calculating the wind correction angle and groundspeed, you will need to collect some data. This includes the true airspeed (TAS) of your aircraft, the desired course (heading), the wind direction, and the wind speed. Make sure to obtain this information from reliable sources such as aircraft instruments or weather reports.

2. Set up the e6b flight computer: Open the e6b flight computer and locate the wind correction angle (WCA) and groundspeed (GS) scales. These scales are typically found on the outer edge of the flight computer. Ensure that the wind arrow on the flight computer aligns with the wind direction indicated in degrees.

3. Determine the wind correction angle: Locate the true airspeed (TAS) on the inner scale of the flight computer. Rotate the outer scale until the indicated TAS aligns with the desired course (heading). The value where the wind correction angle scale corresponds with the indicated wind speed is the wind correction angle. Note this angle for further calculations.

4. Calculate the groundspeed: With the wind correction angle determined, find the indicated TAS on the inner scale. Rotate the outer scale until the wind correction angle aligns with the indicated wind speed. Read the value where the corrected TAS scale intersects with the outer scale. This value represents the groundspeed.

5. Apply the corrections: Now that you have calculated the wind correction angle and groundspeed, it is time to put these corrections into action. Adjust your aircraft’s heading using the wind correction angle to compensate for the crosswind. This will ensure that you stay on your desired course. Additionally, use the groundspeed to estimate the time it will take to reach your destination or the next waypoint.

6. Regularly update calculations: Remember that wind conditions can change during your flight. It is crucial to regularly update your wind correction angle and groundspeed calculations to maintain accuracy throughout your journey. Pay attention to any updated weather reports or observations and adjust your calculations accordingly.

By utilizing the e6b flight computer for wind correction calculations, you can enhance the precision of your navigation and ensure a safer and more efficient flight. Practice using the flight computer in various wind conditions to improve your skills and confidence in handling wind corrections.

## Converting Units of Measurement

One of the many useful features of the e6b flight computer is its ability to convert units of measurement. Whether you need to convert nautical miles to statute miles or gallons to pounds, the e6b calculator can quickly and accurately perform these conversions for you.

Converting units of measurement is essential in aviation, as different countries and regions use different metric systems. Being able to convert between these units allows pilots to easily communicate and understand the data necessary for safe and efficient flight operations.

Here are some common unit conversions that you can perform using the e6b flight computer:

### 1. Nautical Miles to Statute Miles

To convert nautical miles to statute miles using the e6b flight computer, follow these steps:

1. Locate the “NM-SM” conversion scale on the outer edge of the computer.
2. Align the nautical mile value on the outer scale with the corresponding value on the inner scale.
3. Read the converted value in statute miles on the inner scale.

For example, if you need to convert 100 nautical miles to statute miles, align the value 100 on the outer scale with the corresponding value on the inner scale. The converted value of approximately 115 statute miles can then be read on the inner scale.

### 2. Gallons to Pounds

Converting gallons to pounds using the e6b flight computer is straightforward. Here’s how:

1. Find the “GAL-LB” conversion scale on the outer edge of the computer.
2. Align the gallon value on the outer scale with the corresponding value on the inner scale.
3. Read the converted value in pounds on the inner scale.

For instance, if you have 50 gallons that you want to convert to pounds, align the value 50 on the outer scale with the corresponding value on the inner scale. The converted value of approximately 340 pounds can then be read on the inner scale.

The e6b flight computer can also perform other unit conversions, such as feet to meters, pounds to kilograms, and Celsius to Fahrenheit. Familiarizing yourself with these conversion scales and practicing their usage will significantly enhance your efficiency in performing calculations during flight planning and execution.

Remember, using the e6b flight computer for unit conversions is a valuable skill for pilots, enabling them to quickly and accurately convert between different metric systems. By mastering this skill, pilots can ensure accurate calculations and enhance safety in their flying operations.

When it comes to using the e6b flight computer, there are several advanced features and tips that can enhance your flying experience. In this section, we will explore two important calculations: true airspeed and density altitude.

1. True Airspeed Calculation:

The true airspeed (TAS) is the actual speed of an aircraft through the air. It takes into account the altitude, temperature, and air density. The e6b flight computer can assist you in calculating the true airspeed. Here’s how:

– Set the altitude on the outer scale of the flight computer.

– Find the indicated airspeed (IAS) on the inner scale of the flight computer.

– Adjust the temperature on the temperature correction scale.

– Read the true airspeed from the true airspeed window.

By using the e6b flight computer, you can quickly determine your true airspeed, which is crucial for accurate navigation and flight planning.

2. Density Altitude Calculation:

Density altitude is the altitude at which the aircraft “feels” it is flying due to the current atmospheric conditions. It is important to calculate density altitude because it affects aircraft performance, especially during takeoff and landing. The e6b flight computer can help you determine the density altitude. Here’s how:

– Set the temperature and pressure altitude on the outer scale of the flight computer.

– Find the indicated altitude (IA) on the inner scale of the flight computer.

– Read the density altitude from the density altitude window.

By calculating the density altitude with the e6b flight computer, you can make informed decisions about aircraft performance and adjust your flight planning accordingly.

3. Tips for Efficient Usage:

Here are some valuable tips to make the most out of your e6b flight computer:

– Familiarize yourself with the different scales and windows on the flight computer. Understanding how each scale works will enable you to perform calculations swiftly and accurately.

– Practice using the flight computer on the ground before utilizing it in an actual flight. This will help you become comfortable with its features and improve your efficiency during flight operations.

– Keep your flight computer in good condition by storing it in a protective case and cleaning it regularly. This will ensure its longevity and prevent any damage that could hinder its functionality.

– Stay updated with any updates or advancements in technology related to flight computers. New features and improvements are constantly being introduced, which can enhance your flying experience and make calculations even more efficient.

By utilizing the advanced features and following these tips, you will become proficient in using the e6b flight computer, allowing you to navigate accurately and make informed decisions during your flights.