Jeppesen E6-B, Manual

Page 1: ...AModellooN Slide Graphic Computer ...

Page 2: ...Slide Graphic Computer Manual ...

Page 3: ...tatute Equivalents Statute to Nautical and Statute to Kilometers 14 Multi Part Problems 20 os ec e ns 16 Finding Drift Angle Off Course Problem SAT Time and Distance toa VOR Station 20 BECUe AIL CUCG acer coteet sare cw spent entoremae aoe eer n23 PICISICVALETUCO ei fea net el eestehas Crates cleeeicne ale caer25 Multiplication and Division 4426 Multiplication A pr yaZo oss OrRO Mtns RRL26 DIWIslo...

Page 4: ... that pivots in the center of the computer thus Us Gallon Conversion Pounds CONaoD Permitting them to be rotated within the outer fixed Arrows scale To simplify the explanation the scales on the Seconds Arrow Foot Conversion Arrow calculator side of the computer are referred to as Meters Conversion GO OO O Preacaltcee ea A B and C scales Seefig 1 Window Liters Conversion na i Kulogans Contec Rerda...

Page 5: ...used as 150 and 160 each unit represents 2 when visualized as 1500 and 1600 each unit is equal to 20 and when used as 15000 and 16000 each graduation equals 200 NOTE The graduations on the B scale are identical with those on the A scale CHANGING VALUES Figure 2 CHANGING VALUES Figure 3 The changing values on the C scale are somewhat different than those on the A and B scales See fig 3 These gradua...

Page 6: ...olving this problem areas follows Seefig 6 1 Turn to the calculator side of the computer and rotate thecomputer disc until the speed index is located directly under 12 which represents 120 miles per hou PRACTICE PROBLEMS FINDING TIME The following practice problems should be worked to gain experience in working time problems on the com puter Answers to these problems are given in the Ap endix of t...

Page 7: ...pendix of this manual 1 Distance 90 miles time 0 43 what is the speed 2 Distance 320 miles time 2 00 what is the speed 3 Distance 35 miles time 0 19 what is the speed 4 Distance 182 miles time 1 54 what is the speed SHORT TIME AND DISTANCE A procedure called short time and distance is used on the computer solve problems involving short dis tances suchas In these problems a very smail amountoftimei...

Page 8: ...ndix of this manual 1 Speed 140 m p h time 3 minutes how far would an aircraft fly 2 Distance 2 5 miles time one minute and 30 seconds howfast is the aircraft traveling FUEL CONSUMPTION ner ime and distance problems except that gallons ier hour and gallons are usedinlieu of miles per hour and miles FINDING TIME If an aircraft burns fuel at the rate of nine gallons per hour and has 45 gallons of us...

Page 9: ...at was the time 4 Fue consumption 11 g p h time 0 28 how much fuel was burned 4 Fuel consumption 15 g p h useable fuel 1 a ee how long can the aircraft stay FUEL CONSUMPTION Ifanaircraft burns 80 gallonsof fuel in 2 30 how many gallonsis it burning per hour The problem is solved as follows See fig 13 a periodof 1 Rotate the calculator disc until 2 30 on the FUEL BURNED Ifan airera t burns8 gallons...

Page 10: ... C and L A S 130 m p h The problem is solved as follows See fig 16 1 Rotate the computerdisc until 10 C is located directly over 10 000 feet 2 Then refer to the B scale andlocate 13 which represents 130 miles per hour indicated air speed for this problem 3 Look directly over 130 m p h on the B andfind that the true airspeed is 150 mil hour This isthe answer tothis problem scale per PRACTICE PROBLE...

Page 11: ...em is made very simple by a small conversion scale consisting of two arrows labeled NAUT nautical and STAT statute 14 aero Figure 18 respectively These arrowsare located on the A scale and point toward the B scale NOTE Knots nautical miles per hour are changed to statute miles per hour in exactly the same manner For example to change 20 nautical miles to statute miles the problem is solved as foll...

Page 12: ...flight The following multi part problems are provided to em phasize the order of information required to determine the total fuel consumption In each case the ground Speed is determinedfirst then the time en route and finally the fuel consumed In each case assume that LAS is equal to C A S The answers to the problems are given in the Appendix of this manual 16 Wind O m p h ground speed 120 m p h d...

Page 13: ...red on the chart Above the speed index is the additional angle neededto arrive at the destination Seefig 24 Use the nearest whole number 6 as the answer Add the 9 degrees neededto parallel the intend ed true course and the additional 6 degrees Figure 23 for a total of 15 degrees heading correction to the left necessary to fly from Point X to the destination Point B See fig 25 PRACTICE PROBLEMS OFF...

Page 14: ... VOR station can be computed easily on the calculator side of the computer These problems are based onthe pilot 20 ae taking a time check to make a measured bearing change with a VOR radio In this procedure the pilot flies per pendicular to the VOR radials involved with the time check TIME TO A VOR STATION To find the time to a VORstation 1 Set the time to make the bearing change in minutes on the...

Page 15: ...tanceto the station Seefig 28 1 Set 36 under 127 m p h 2 Locate 4 30 on C scale and read distance directly above on the A scale 9 5 miles Figure 27 Figure 28 PRACTICE PROBLEMS TIME AND DISTANCE TO A VOR STATION Refer to the Appendix for answers to these problems Degrees of Time Aircraft Time Distance Bearing Between Ground To To Change Bearings Speed Station Station i i 110 mph 10 95 mph be 135 mp...

Page 16: ...d altitude 5 500 feet temperature 10 C Whatis the true altitude NOTE Figure answersto closest 50 foot increment DENSITY ALTITUDE Density altitude problems are solved on the calculator side of the computer through the use of the window labeled FOR TRUE AIRSPEED AND DENSITY ALT The procedureforsolving this type of problem is shownin the following example Flying at 10 000 feet pressure altitude with ...

Page 17: ... scale 2 Find 8 minutes on the B scale and looking directly over this find that we would climb 3 600 feet in the 8 minutes Figure 32 DIVISION Anaircraft has to lose 8 000 feet in 19 minutes What is the rate of descent See fig 33 1 Place 8 000feet on the A scale directly over 19 minutes on the B scale 2 Look directly over the 10 and find that the aircraft should descend at 420 f p m to lose 8 000 f...

Page 18: ...34 1 First set the speed index at 120 knots 2 Then directly above the 250 on the B scale find the answer 500 feet per minute on the A scale FOR TIME a For Fi IND DISTANCE CONSUMPTION Figure 34 NOTE At the same ground speed the climb require ment of 350 feet per nautical mile is equivalent to a vertical speed of 700 feet per minute PRACTICE PROBLEMS CONVERTING FEET PER NAUTICAL MILE TO FEET PER MIN...

Page 19: ...es a high speed side and a low speedside See fig 38 Since most privateaircraft operate in the speed range below 250 m p h the low speed side is generally used because of its smaller graduations and greater accuracy The low speed side should be used for all wind problems given in this course AZIMUTH The azimuth circle rotates freely and is graduated into 360 The transparent Portion is frosted so th...

Page 20: ...ty must be known The operation of the windside of the computerts des cribed in the determination of true heading and ground speed in the following problem GIVEN True course 030 True airspeed 170 m p h Wind 080 at 20 m p h DETERMINE True Heading Ground Speed The solution is as follows 1 Rotate the azimuth until the wind direction of 080 is located directly under the true index See fig 40 2 Next sli...

Page 21: ...he right add the wind correction angle to the true course value if the wind correction angle is to the left subtract it from the true course 8 Without moving the computer setting read the ground speed under the center The ground speed for this problem is 156 miles per hour See fig 42 PRACTICE PROBLEMS TRUE HEADING AND GROUND SPEED For answers refer to the Appendix ofthis manual 1 True course 310 T...

Page 22: ...rue airspeed 150 m p h what is the wind direction and speed This problem is solvedasfollows See fig 43 and 44 1 First place the true course of 120 under the true index See fig 43 2 Next position the grid until the center of the azimuth is overthe line representing the ground speed of 140 m p h See fig 43 Figure 44 3 Subtract true heading from true course and find that the true heading is 5 less th...

Page 23: ... more than one windis plotted See fig 46 Identify each wind dot with the appropriate altitude Rotate the azimuth to place the true course at the true index mark Figure 46 Figure 47 4 To examine the wind effect on ground speed position the curved line representing the appro Priate true airspeed for that altitude under each wind dot Read the ground speed under the center of the azimuth for each wind...

Page 24: ...ound speed out to the ground speed back 5 Locate the total of ground speed out and ground speed back on the A scale of the computer 6 Rotate the center of the computer until the fuel duration in hours on the C scale is direct 40 aE ly under the total of ground speeds out and back Movealong the A scale and locate the ground speed back Look directly under this and find the time to turn This is the n...

Page 25: ...culator side of the computer place 6 g p h our fuel consumption on the A scale over the speed index See fig 51 itis id Wie 250 Figure 51 b Look directly under useable fuel 48 gals on the A scale and find on the C scale that the total useable fuel is 8 hours See fig 51 9 Now place the 240 which is the total of the ground speed out and the ground speed back directly over the 8 hours of fuel availabl...

Page 26: ...ion in statute miles c Whatis the total time out and back GIVEN a Ground speed out 140 m p h b Ground speed back 165 m p h c Fuel available 46 gal not counting reserve d Fuel consumption 11 g p h PROBLEM a Whatis the time to turn b Whatisthe radiusof action in statute miles c Whatis the total time out and back GIVEN speed back See fig 54 a b Look directly under 450 miles on the cay b scale and fin...

Page 27: ...he KM arrow onthe scale Seefig 55 2 Read 244 kilometers on the B scale opposite 132 NM onthe scale PROM 46 U S GALLONS IMPERIAL BRITISH GALLONS Near the number 11 on eachscale an arrow indicates imperial gallons and near the number 13 another arrow indicates U S gallons The imperial gallon used in Great Britian and Canada is equal to approximately 1 2 U S gallons To convert U S to imperial gallons...

Page 28: ... hen the conver A the A scale located at ae US GAL on the B scale loca or i in pounds on eaeresponding weight in P sat ag Ilons can be converted to pound Gallo 48 way as shown in Figure 57 Similarly pounds can be converted to gallons One Gallon of Fuel weighs 6 pounds EXAMPLE PROBLEM FUEL IN GALLONS TO POUNDS GIVEN Fuel 22 5 gallons DETERMINE Fuel weight in pounds This problem is solved as follows...

Page 29: ...Meters 8 56 9 70 Pounds Kilograms 10 24 11 1 12 143 _ Fuel Gallons Pounds Oil Gallons 13 20 14 150 4 15 a 7 16 50 APPENDIX I ANSWERS TO PRACTICE PROBLEMS FINDING TIME Page 5 1 20 2 36 18 minutes 38 minutes BoN FINDING DISTANCE Page 6 150 miles 262 miles 700 miles 470 miles BW FINDING SPEED Page 7 1 126 m p h 2 160 m p h 3 110 m p h a 96 m p h SHORT TIME Page 9 1 7 miles 2 100 m p h FUEL CONSUMPTIO...

Page 30: ... miles 5 5 min 12 85 miles CSS NS TRUE ALTITUDE Pages 24 and 25 1 6 250 feet 2 9 400 feet 3 5 250 feet A 2 DENSITY ALTITUDE Page 25 1 8 000feet 2 13 000 feet 3 Sea Level MULTIPLICATION ANDDIVISION Page 27 8 100 feet 2 700 feet 720 f p m 430 f p m 12 400 pound inches 54 inches DOR O CONVERTING FEET PER NAUTICAL MILE TO FEET PER MINUTE Page 29 1 400 f p m 2 400 f p m 3 700 f p m 4 700 f p m TRUE HEA...

Page 31: ...ed from the air speed indicator TRUE TAS Calibrated airspeed corrected for density altitude pressure and temperature ALTITUDE The heightof an aircraft above mean sea level or above theterrain ABSOLUTE AA True altitude corrected for terrain elevation the vertical distance of the aircraft above the terrain CALIBRATED CA Indicated pressure altitude corrected for instru ment error Also known as flight...

Page 32: ...he headingofanaircraft with reference to magne tic north TRUE TH The heading of an aircraft with reference to grid north MACH NUMBER The speed of a moving object com paredto the speed of sound within the same medium of movement A speed of Mach 2 5 would be two and one half times the speed of sound in the same medium NAUTICAL MILE NM A unit of distance used In navigation 6080 feet the mean length o...

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