Mastering the E6B flight computer, often called the "whiz wheel," is a rite of passage for every pilot. While digital apps are convenient, the manual E6B is a reliable, battery-free tool that helps you visualize the relationships between speed, time, distance, and wind.
Below are exercises designed to sharpen your skills on both the calculator and wind sides of the E6B. Part 1: The Calculator Side (Time, Speed, & Distance)
The calculator side is a circular slide rule used for ratio-based problems.
E6B flight computer , affectionately known as the "whiz wheel," is a staple of pilot training for calculating everything from fuel burn to wind correction. While modern cockpits often use electronic backups like Sporty’s Electronic E6B or apps like ForeFlight
, mastering the manual version is still required for the FAA knowledge test. Core Calculation Areas Most E6B exercises focus on three primary task groups: michaelsoroka.com Fuel, Time, and Distance
: Simple multiplication and division using the "60 to 1" rule. Wind Correction
: Determining Ground Speed (GS) and Wind Correction Angle (WCA). Atmospheric Data : Finding True Airspeed (TAS) and Density Altitude. ✍️ Practice Exercises Exercise 1: Time En Route (Calculator Side) : You are flying at a ground speed of . Your destination is 180 nautical miles away. How long will it take to arrive?
Flight Computer: Electronic or not? Does it matter? If so, which one?
Scenario:
If you want, I can convert these into printable problem sheets with blank spaces for answers and worked solutions.
Mastering the E6B flight computer, often affectionately called the "whiz wheel," is a rite of passage for every pilot. While modern glass cockpits and electronic apps provide instant data, the manual E6B remains a critical backup and a required skill for the FAA private pilot knowledge test.
The following exercises are designed to help you build muscle memory for the most common aviation calculations. 1. Time, Speed, and Distance Exercises
The calculator side of the E6B operates on a 60:1 ratio, using the "60" rate arrow (a large black triangle on the inner scale) to represent speed in units per hour. Problem A: Calculating Time En Route (ETE)
Scenario: You are flying at a groundspeed of 120 knots to a waypoint 180 nautical miles (NM) away. Steps: e6b flight computer exercises
Rotate the inner wheel to align the "60" rate arrow under "12" (representing 120 knots) on the outer scale. Find "18" (representing 180 NM) on the outer scale. Read the corresponding time on the inner scale. Answer: 90 minutes (or 1 hour 30 minutes). Problem B: Calculating Distance Flown Scenario: You have been flying at 95 knots for 40 minutes. Steps: Set the "60" rate arrow to "95" on the outer scale. Find "40" on the inner scale (time).
Read the value directly above it on the outer scale (distance). Answer: 63.3 NM. 2. Wind Correction & Groundspeed Exercises
Whether you are a student pilot prepping for your written exam or a seasoned aviator looking to brush up on dead reckoning skills, mastering the E6B flight computer is a rite of passage. While electronic apps are convenient, the manual "whiz wheel" never runs out of batteries and provides a tactile understanding of flight physics.
To help you gain proficiency, here is a comprehensive guide and a series of e6b flight computer exercises designed to build speed and accuracy. Phase 1: The Calculator Side (Front)
The front of the E6B is a circular slide rule. Remember the golden rule: The outer scale (A) is for distance, fuel, or groundspeed, and the inner scale (B) is for time. Exercise 1: Speed, Distance, and Time
Calculate Groundspeed: You fly 24 Nautical Miles (NM) in 12 minutes. What is your groundspeed?
Setup: Align 24 on the outer scale with 12 on the inner scale.
Result: Look at the "Rate" pointer (the large black triangle at 60). It points to 120 knots.
Calculate Time Enroute: Your destination is 105 NM away, and your groundspeed is 140 knots. How long will it take?
Setup: Align the Rate pointer (60) to 140. Find 105 on the outer scale. Result: The inner scale below 105 shows 45 minutes.
Calculate Distance: You have been flying for 1 hour and 20 minutes (80 minutes) at a groundspeed of 115 knots. How far have you traveled?
Setup: Align the Rate pointer to 115. Find 80 on the inner scale. Result: The outer scale above 80 shows 153.3 NM. Exercise 2: Fuel Consumption
Fuel Burned: Your engine burns 8.5 gallons per hour (GPH). You fly for 2 hours and 15 minutes (135 minutes). How much fuel is used? Mastering the E6B flight computer, often called the
Setup: Align the Rate pointer to 85. Find 135 on the inner scale. Result: The outer scale shows 19.1 gallons. Phase 2: Conversions and Corrections
The E6B features specific windows and scales for atmospheric corrections. Exercise 3: True Airspeed (TAS) and Density Altitude
Scenario: Your Pressure Altitude is 8,000 feet, and the Outside Air Temperature (OAT) is +10°C. Your Indicated Airspeed (IAS) is 120 knots.
Setup: In the "Pressure Altitude/Airspeed" window, align 8,000 ft with +10°C.
TAS Result: Find 120 (IAS) on the inner scale; the outer scale shows a TAS of 138 knots.
Density Altitude Result: Look at the center window pointer. Your Density Altitude is approx. 9,500 feet. Exercise 4: Unit Conversions
Fuel Weight: You have 40 gallons of AvGas. How much does it weigh in pounds?
Setup: Align the "Fuel Lbs" arrow on the outer scale with the "U.S. Gal" arrow on the inner scale. Find 40 on the "Gallons" scale. Result: Read 240 lbs on the outer scale. Phase 3: The Wind Side (Back)
This is where pilots often struggle. Practice these steps to master the "Wind Dot" method. Exercise 5: Finding Groundspeed and WCA Conditions: True Course (TC): 090° True Airspeed (TAS): 125 knots Wind: 180° at 25 knots Steps: Rotate the compass rose to the Wind Direction (180°).
Slide the card so the Grommet (center hole) is on a heavy line (e.g., 100). Mark a "Wind Dot" 25 units up from the grommet (at 125). Rotate the compass rose to your True Course (090°). Slide the card until the Wind Dot is on your TAS (125). Final Readings: Groundspeed: Read under the grommet (122 knots).
Wind Correction Angle (WCA): The dot is roughly 11° to the right. True Heading: 090° + 11° = 101°. Tips for Success
Check the Units: Ensure you aren't confusing Statute Miles with Nautical Miles using the conversion arrows.
Sanity Check: If the wind is a headwind, your groundspeed must be lower than your TAS. If the E6B says otherwise, you've made a rotation error. True Course (TC): 270° True Airspeed (TAS): 150
Practice Daily: Speed comes from muscle memory. Run three of these problems every morning before your flight lesson.
The E6B flight computer is an analog tool used by pilots to perform aviation calculations. It consists of two sides: the Calculator Side (circular slide rule) and the Wind Side.
Here is a practical guide to the most common E6B exercises, broken down by the side of the computer used.
Scenario: You planned to fly to Airport A, but you must divert to Airport B. You have limited fuel.
Data:
Questions: A) GS and WCA for the diversion? B) Time en route? C) Will you land with FAA minimum 30-minute fuel reserve?
Solution path:
This is where the E6B shines. There is no shortcut around learning the wind side of the manual computer. These E6B flight computer exercises assume you have a sliding window with a rotating azimuth.
Would you like a printable blank worksheet version of these exercises, or an answer sheet with step-by-step E6B dial movements?
Exercise 7 – Fuel for a Leg
Given: Fuel burn = 8.5 GPH, Time = 2 hours 20 minutes.
Find: Fuel required.
Answer: 19.8 US gal
Exercise 8 – Endurance
Given: Usable fuel = 36 US gal, Burn rate = 9.2 GPH.
Find: Endurance (hours & minutes).
Answer: 3 hr 55 min
Exercise 9 – Gallons per Hour from Total Trip
Given: 240 NM trip, groundspeed 120 kt, total fuel used = 16 gal.
Find: Fuel burn rate (GPH).
Answer: 8.0 GPH