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## 4 0 4 . 0 4

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**4**0 4 . 0 4 CR-3 or E6-B Flight Computer**Speed/Time/Distance**• Speed, time and distance are related by the equation: Speed = Distance Time • Given any two of the three variables, the other can be calculated using this equation.**Speed/Time/Distance**If distance and time are given, simply place the values in the equation. • Example Speed = Distance Time Speed = 150 KM 3 HRS Speed = 50 KPH**Speed/Time/Distance**If speed and time are given, the equation needs to be modified. • Example Speed = Distance Time Time * Speed = Distance * Time Time Distance = Speed * Time Multiply each side by the denominator Eliminate common variables Write new equation**Speed/Time/Distance**Now that speed and time are given for the simple equation, place the values in the equation. Distance = Time x Speed Distance = 3Hrs x 75KPH Distance = 225KM**Speed Conversions**• 66NM = 76 SM • Knots to MPH Multiply by 1.15 • MPH to Knots Divide by 1.15 • KPH to Knots Multiply by .54 • KPH to MPH Multiply by .62**Time Conversions**• Hours to Minutes Multiply by 60 • Minutes to Hours Divide by 60**The Appleyard Scale**Outside Ring - Distance and Velocity Inside Ring - Time All calculations can be done without using the flight computer by using the previous formula: Velocity = Distance Time However the appleyard scale is a simple quick method to convert.**Time Scale**• The number 9 stands for • 9 minutes, • 90 minutes, • 900 minutes, etc. • You must use common sense to figure out which one applies. • Notice on the time scale under the 9, 1:30 and 15:00 are written. They stand for 90 minutes and 900 minutes respectively.**Distance Scale**• The number 6 stands for • 6 units, • 60 units, • 600 units, etc. • Again, you must use common sense to figure out which one applies.**Flight Computer**The Appleyard Scale is the same for the CR-3 and E6-B Flight Computer. The CR-3 will be used to show conversions. However, as mentioned above the E6-B can be used as well.**Speed/Time/Distance**• Given • Speed = 120 knots • Distance = 170 NM • Time = ? • If speed is given, point arrow towards the speed**Speed/Time/Distance**• Remember that 12 is also 120 and 1200. Any multiple of 10. • Second, follow the outside scale to 17 for 170NM and read inside scale.**Speed/Time/Distance**• The inside scale will align with 85. • This number could mean 8.5, 85 or 850. • Use common sense to calculate correct answer.**Speed/Time/Distance**• Flying at 120 knots or 120 nautical miles per hour for 170 NM means the aircraft will be airborne for 85 minutes or 1 hour and twenty-five minutes.**Speed/Time/Distance**• Let's try a few examples: Given Speed = 210 MPH Time = 40 minutes Distance = ? Use the flight computer to calculate.**Speed/Time/Distance**Speed = 210 MPH Time = 40 min. Distance = 140 Miles Point arrow to 210 View reading aligned with 40 min Answer 140 Miles**Speed/Time/Distance**• Let's try a few examples: Given Speed = ? Time = 90 minutes Distance = 120 NM Use the flight computer to calculate. This one is a little different than before. Give it a try!**Speed/Time/Distance**Speed = 80 knots Time = 90 min. Distance = 120 NM Align 90 min to 120 NM Read speed from pointing arrow Answer 80 knots**Fuel**• Given • Fuel = 8 GPH • Time = 45 minutes • Consumption = ? • If fuel is given, point arrow towards fuel.**Speed, Time, Distance**• Remember that 80 is also 8 and 800. Any multiple of 10. • Second, follow the inside scale to 45 and read outside scale.**Speed, Time, Distance**• The outside scale will align with 60. • This number could mean 6, 60 or 600. • Use common sense to calculate correct answer.**Speed, Time, Distance**• Burning 8 GPH or 8 gallons per hour for 45 minutes means the aircraft will consume 6 gallons**Conversions**• Many conversions are possible with the flight computer SM To NM MPH To KPH US GAL To IMP GAL LBS To Kg**Conversions**• To convert units simply place known unit under proper location. • If 170 statute miles are given, place it under the statute mile location.**Conversions**• Once SM is in the correct position, read nautical miles under the NM location. • Answer = 148 NM**Conversions**• Also, you can read kilometers under the KM location. • Answer = 271 KM**Confirmation Stage**NOTE: You must use the buttons in the Confirmation Stage**Navigation**CR-3 or E6-B Flight Computer Let's try a few review questions on Navigation: Question #1 - What is on the outside ring of the Appleyard Scale? A Distance B Time C Velocity D Both A and C**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**That answer iscorrect. Let's move on...**Navigation**CR-3 or E6-B Flight Computer Let's try a few review questions on Navigation: Question #2 - If you are flying at a speed of 270 knots for a distance of 74 KM, how long would you be airborne? A 90 min B 16 min C 9 min D 1.6 hrs**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**That answer iscorrect. Let's move on...**3 miles**60 miles 3° One-in-Sixty Rule • An error in the track of one degree will cause an error in position of about one mile in a distance of 60 miles. • Example 3° off track will cause an aircraft to be 3 miles out to the side.**Flight Computer**Click on the type of Flight Computer you wish to use for the wind side of the computer. CR-3 Flight Computer E6-B Flight Computer**Confirmation Stage**NOTE: You must use the buttons in the Confirmation Stage**Navigation**CR-3 or E6-B Flight Computer Let's try a few review questions on Navigation: Question #3 - What distance off track would an aircraft be if it were 4° off course and flew 180 miles without corrective action? A 4 miles B 8 miles C 12 miles D 16 miles**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**I’m afraid that answer is incorrect Let's try again...**Flying Scholarship Program**That answer iscorrect. Let's move on...**Navigation**CR-3 or E6-B Flight Computer Let's try a few review questions on Navigation: Question #4 - Worksheets Exercise #1 Exercise #1 Answer Key Exercise #2 Exercise #2 Answer Key**Navigation**CR-3 or E6-B Flight Computer Congratulations!! You have now completed the CR-3 or E6-B Flight Computer lesson and the Navigation Module. Of course, this module is always available to you for future reference if required. You are now ready to move along to the next module you wish. You can advance to the Self Test Module if you feel ready to challenge the final exam. Good Luck!