Aviation Charts

Question 1

Define scale of a chart -

Answer 1

Scale is the ratio of the length of a line drawn on a chart to the corresponding distance on the surface of the earth.

Question 2

Scale =

Answer 2

Chart length / Earth Distance

Question 3

The units of a chart can either be?

Answer 3

inches or centimeters

Question 4

The scale of a chart varies with -

Answer 4

Latitude

Question 5

1 nautical mile to centimetre?

Answer 5

185 300cm

Question 6

If the scale of a chart is expressed as(in centimetres) =

2 : 5 nautical miles

What is the chart scale as a representative fraction?

Answer 6

the expression states that 2cm on the chart = 5 nautical miles.

5 x 185 300 = 926 500

926 500 / 2

= 463 250

= 1:463 250

Question 7

1 inch = how many centimetres?

Answer 7

2,54cm

Question 8

when using the CL / ED formula. The two units should be -

Answer 8

the same( inch or centimetre)

Question 9

between these two charts, which has the smaller scale?

A: 1: 250 000

B : 1: 300 000

Answer 9

chart B.

Picture a larger scale as more detail, I.E larger picture