A route is flown from 80°S 100°W to 80°S 140°E At 160°W the Grid Track GT and True Track TT on a Polar Stereographic chart with a grid orientated on the 180° ?
Formation > assignment
Given Position NDB 55°10'N 012°55'E Dead Rekoning Position 54°53'N 009°58'E NDB on the RMI reads 090°Magnetic variation = 10°WThe position line has to be plotted on a Lamberts conformal chart ?
An aircraft is at position 53°N 006°W and has a landmark at position 52°47'N 004°45'W with a relative bearing of 060° Given Compass Heading = 051°Variation = 16°WDeviation = 2°EWhat is the ?
A vor situated at position 74°n 094°w local variation 50°w a polar stereographic chart supplied with a greenwich grid used navigation to proceed along magnetic radial 238° inbound an aircraft has to follow a grid track of img /com_en/com061 640 jpg without calculation answer 103° appears to be correct one by calculation magnetic track 238° 180° = 058° true track 058° variation 50°w = 008° convert magnetic track to grid track using grivation sum of convergency magnetic variation sum of convergency= 94°e magnetic variation= 50°w 94°e 50°w = 44°e 058° + 44° e = 102°. 
Thule vor located at 76°32'n 68°15'w a polar stereographic chart with grid aligned with greenwich meridian to be used the local variation 75°w which grid track must be maintained to track radial 210 m inbound schaverius use formula grid navigation grid heading = true heading + west longitude or east longitude the radial inbound (r210 outbound)is a magnetic heading of 030° (210 180) subtract variation to find true 030 75 = 315° true now apply formula grid = 315 + 68°15' = 23 25°grid. 
Route a b drawn on a southern polar stereographic chart whose grid aligned with greenwich meridian the true track of straight line at a 120° when passing meridian of 100°e true track 090° the grid track of this route on chart img /com_en/com061 643 png when passing meridian of 100°e true track 090° since grid aligned with greenwich meridian 100° + 090° = 190° grid. 
The constant of cone in a lambert chart 0 8666500 the angle between north direction of meridian in position a 65°00'n 018°00'w and meridian of position b 75°00'n 023°00'w on chart change of longitude = 023° 018° = 005° constant of cone 0 8666500 convergency = change of longitude x constant of cone convergency = 005° x 0 8666500 = 4 3°. Question 164-8
Given lambert conformal conical projection scale 1 1 234 000 standard parallels 36°n and 60°n a 53°n 010°w b 53°n 020°w the distance on map between position a and position b measured along rhumb line Is less than 54 9 cm. at exam only lambert conformal charts mathematically produced with two standard parallels will be considered distance on earth = 10° x 60 x cos 53° = 361 nm 361 nm x 1 852 km = 668 73 km = 66 873 000 cm scale = chart lenght/earth distance scale = chart lenght/66 873 000 cm = 1/1 234 000 chart lenght = 66 873 000 / 1 234 000 = 54 19 cm on a lambert conformal conic projection scale indicated on chart will be correct at standard parallels scale within standard parallels differs by less than 1% from scale stated on chart the parallel of origin close to mean latitude between standard parallels the scale will increase away from parallel of origin (if scale increase to reach scale stated on chart it means that at parallel of origin scale less than scale stated on chart) thus distance on map between position a position b measured along rhumb line less than 54 19 cm. Question 164-9
Two places are situated on same parallel in southern hemisphere the great circle rhumb line and straight line between these places are drawn on a polar stereographic projection which statement correct The great circle situated between parallel the straight line because concave side of great circle always pointed towards pole. . Question 164-10
From rakovnik 50° 05 9' n 013° 41 5' e to frankfurt ffm 50° 05 9' n 008° 38 3' e true track of departure along straight line 272 0° the constant of cone of this lambert conformal projection The great circle situated between parallel the straight line because concave side of great circle always pointed towards pole. chart convergency = difference of longitude x constant of cone difference of longitude = rakovnik 013° 41 5' e frankfurt 008° 38 3' e = 005° 3 2' the rhumb line track between rakovnik frankfurt 270° (both are located 50° 05 9' n) difference between great circle track rhumb line track at a specified position called conversion angle 272° 270° = 2° conversion angle = 1/2 x difference of longitude x sin mean latitude conversion angle = 1/2 x convergency 2° = 1/2 x convergency convergency = 4° chart convergency = difference of longitude x constant of cone 4° = 005° 3 2' x constant of cone constant of cone = 4° / 005°053 = 0 79. Question 164-11
An aeronautical chart conformal when At any point scale over a short distance in direction of parallel equal to scale in direction of meridian the meridians are perpendicular to parallels. chart convergency = difference of longitude x constant of cone difference of longitude = rakovnik 013° 41 5' e frankfurt 008° 38 3' e = 005° 3 2' the rhumb line track between rakovnik frankfurt 270° (both are located 50° 05 9' n) difference between great circle track rhumb line track at a specified position called conversion angle 272° 270° = 2° conversion angle = 1/2 x difference of longitude x sin mean latitude conversion angle = 1/2 x convergency 2° = 1/2 x convergency convergency = 4° chart convergency = difference of longitude x constant of cone 4° = 005° 3 2' x constant of cone constant of cone = 4° / 005°053 = 0 79. Question 164-12
Which statement true about parallel of origin of a conformal chart The parallel of origin the parallel at which scale reaches its minimum value. the lambert conformal what most of today's aeronautical charts are based on the parallel of origin midway between two standard parallels where scale will be smallest. Question 164-13
A lambert conformal conic chart whose two standard parallels 54°n and 59°n used navigation straight line from a 53°n 165°e to b 58°n 154°e drawn on chart the true course of straight line track drawn on this chart at a 301° the true course of straight line track drawn on this chart at b The parallel of origin the parallel at which scale reaches its minimum value. constant of cone (convergency factor) the ratio between top angle of unfolded cone 360° or sine of parallel of origin mean latitude = (54+59)/2 = 56 5° constant of cone = sin56 5° = 0 834 now 165 154 = 11° (difference of longitude between a b) 11° x 0 834 = 9° 301° 9° = 292° 'minu 9 since we are heading west. Question 164-14
Correct statement about a polar stereographic chart The closer pole higher straight line chart approximates great circle. constant of cone (convergency factor) the ratio between top angle of unfolded cone 360° or sine of parallel of origin mean latitude = (54+59)/2 = 56 5° constant of cone = sin56 5° = 0 834 now 165 154 = 11° (difference of longitude between a b) 11° x 0 834 = 9° 301° 9° = 292° 'minu 9 since we are heading west. Question 164-15
Levels curve on a hypsometric chart refer to The closer pole higher straight line chart approximates great circle. a hypsometric chart a map having contour lines through points of equal elevation img /com_en/com061 707 jpg usually hypsometric map shows elevation means of shading tinting. Question 164-16
On a lambert conformal projection scale at a point at 60°n in direction of truenorth 1 1 000 000 what the scale at same point in an easterly direction The closer pole higher straight line chart approximates great circle. a hypsometric chart a map having contour lines through points of equal elevation img /com_en/com061 707 jpg usually hypsometric map shows elevation means of shading tinting. Question 164-17
It can be stated concerning a mercator chart It a designated as cylindrical projection but it is in fact mathematically produced. a hypsometric chart a map having contour lines through points of equal elevation img /com_en/com061 707 jpg usually hypsometric map shows elevation means of shading tinting. Question 164-18
A chart with a small scale a chart that cover Big areas does not show many details. small scale = small detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a small scale chart (eg 1 1 000 000). Question 164-19
A chart with a large scale a chart that cover Small areas shown a lot of details. large scale = large detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a large scale chart (eg 1 10 000). Question 164-20
For navigation a polar stereographic chart used the straight line between a 75°00' 0s 166°00' 0e and b 78°00' 0s 154°00' 0e drawn in this chart the true track angle of rhumbline 223° calculate direction °t of straight line in position b Small areas shown a lot of details. large scale = large detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a large scale chart (eg 1 10 000). Question 164-21
For navigation a polar stereographic chart used the straight line between a 75°00' 0n 166°00' 0e and b 78°00' 0n 154°00' 0e drawn in this chart the true track angle of rhumbline in b 317° calculate direction °t of straight line in position b Small areas shown a lot of details. large scale = large detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a large scale chart (eg 1 10 000). Question 164-22
Two positions at same latitude are plotted on an aeronautical chart and meridians at these two positions converge 30° given this convergence true Great circle route between these two positions will vary 3 °. large scale = large detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a large scale chart (eg 1 10 000). Question 164-23
Why can parallels be considered as special loxodromies They intersect all meridians at an angle of 9 °. large scale = large detail the scale of a chart refers to a measurement of area not distance a chart covering a relatively large area called a large scale chart (eg 1 10 000). Question 164-24
What the radial and dme distance from bel vor/dme n5439 7 w00613 8 to position n5500 w00700 err _a_061 243 They intersect all meridians at an angle of 9 °. Img /com_en/com061 243 jpg use magnetic tick center your protractor you read 315° use scale to find a distance of 34 nm. Question 164-25
What the average track °m and distance between crk vor n5150 4 w00829 7 and crn ndb n5318 1 w00856 5 err _a_061 245 They intersect all meridians at an angle of 9 °. Img /com_en/com061 245 jpg use magnetic north pointer at shannon center your protractor read an average magnetic track of 357° use scale to find distance we find a distance of 90 nm but it might come from chart quality for information 349° the average true track. Question 164-26
What the average track °m and distance between wtd ndb n5211 3 w00705 0 and bal vor n5318 0 w00626 9 err _a_061 247 They intersect all meridians at an angle of 9 °. Img /com_en/com061 245 jpg use magnetic north pointer at shannon center your protractor read an average magnetic track of 357° use scale to find distance we find a distance of 90 nm but it might come from chart quality for information 349° the average true track. Question 164-27
What the average track °m and distance between bal vor n5318 0 w00626 9 and slg ndb n5416 7 w00836 0 err _a_061 249 They intersect all meridians at an angle of 9 °. Img /com_en/com061 249a jpg use scale to find distance 96 nm img /com_en/com061 249b jpg magnetic north indicated over vors ndbs report magnetic north tick center your protractor you read an average magnetic track of 316°. Question 164-28
What the radial and dme distance from crk vor/dme n5150 4 w00829 7 to position n5210 w00920 err _a_061 403 They intersect all meridians at an angle of 9 °. Img /com_en/com061 249a jpg use scale to find distance 96 nm img /com_en/com061 249b jpg magnetic north indicated over vors ndbs report magnetic north tick center your protractor you read an average magnetic track of 316°. Question 164-29
What the radial and dme distance from crk vor/dme n5150 4 w00829 7 to position n5140 w00730 err _a_061 405 They intersect all meridians at an angle of 9 °. img /com_en/com061 405 jpg . Question 164-30
What the radial and dme distance from sha vor/dme n5243 3 w00853 1 to position n5310 w00830 err _a_061 407 They intersect all meridians at an angle of 9 °. img /com_en/com061 407 jpg . Question 164-31
What the radial and dme distance from sha vor/dme n5243 3 w00853 1 to position n5210 w00920 err _a_061 409 They intersect all meridians at an angle of 9 °. img /com_en/com061 409 jpg . Question 164-32
What the radial and dme distance from con vor/dme n5354 8 w00849 1 to position n5400 w00800 err _a_061 411 They intersect all meridians at an angle of 9 °. img /com_en/com061 411 jpg . Question 164-33
What the radial and dme distance from con vor/dme n5354 8 w00849 1 to position n5330 w00930 err _a_061 413 They intersect all meridians at an angle of 9 °. img /com_en/com061 413 jpg . Question 164-34
What the average track °t and distance between con vor n5354 8 w00849 1 and bel vor n5439 7 w00613 8 err _a_061 415 They intersect all meridians at an angle of 9 °. report true north tick center your protractor you read an average true track of 063° img /com_en/com061 415 png use scale to find distance 101 nm. Question 164-35
What the average track °t and distance between wtd ndb n5211 3 w00705 0 and foy ndb n5234 0 w00911 7 err _a_061 417 They intersect all meridians at an angle of 9 °. report true north tick center your protractor you read an average true track of 286° img /com_en/com061 417 jpg use scale to find distance 81 nm. Question 164-36
What the average track °t and distance between sha vor n5243 3 w00853 1 and con vor n5354 8 w00849 1 err _a_061 419 They intersect all meridians at an angle of 9 °. report true north tick center your protractor you read an average true track of 002° img /com_en/com061 419 jpg use scale to find distance 72 nm. Question 164-37
What the average track °t and distance between bal vor n5318 0 w00626 9 and cfn ndb n5502 6 w00820 4 err _a_061 421 They intersect all meridians at an angle of 9 °. report true north tick center your protractor you read an average true track of 327° img /com_en/com061 421 jpg use scale to find distance 124 nm. Question 164-38
Given sha vor n5243 3 w00853 1 radial 205° crk vor n5150 4 w00829 7 radial 317° what the aircraft position err _a_061 424 They intersect all meridians at an angle of 9 °. img /com_en/com061 424 jpg . Question 164-39
Given sha vor n5243 3 w00853 1 radial 129° crk vor n5150 4 w00829 7 radial 047° what the aircraft position err _a_061 426 They intersect all meridians at an angle of 9 °. img /com_en/com061 426 jpg . Question 164-40
Given sha vor/dme n5243 3 w00853 1 radial 120°/35 nm what the aircraft position err _a_061 428 They intersect all meridians at an angle of 9 °. img /com_en/com061 428 jpg .
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