6. Aeronautical Maps and Charts

Question 1

List the two basic chart projections.

Answer 1

conic and cylindrical

Question 2

List three methods of representing scale on a chart.

Answer 2

representative fraction;
graduated scale line;
words (e.g. 1cm = 5nm)

Question 3

List three main aeronautical charts considered essential for visual air navigation.

Answer 3

Visual Planning Chart (1:1,000,000);
Visual Navigation Chart (1:500,000);
Visual Navigation Chart Enlargement (1:125,000);
Visual Terminal Chart;
En-route Chart.

Question 4

Aeronautical Charts 1:1,000,000 are used primarily for …….. of flights, they (do / do not) contain a limited amount of aeronautical information.

Answer 4

planning; do

Question 5

Elevations shown on aeronautical charts are in feet above (sea level / ground level).

Answer 5

sea level

Question 6

The two types of controlled airspace shown on VPCs and VNCs are …….. and ……..

Answer 6

Control Zones;

Control Areas.

Question 7

‘Visual aerodrome’ means an aerodrome that has no …….. …….. ……..

Answer 7

published instrument approach.

Question 8

Is the airspace a Control Zone or a Control Area? Why?

4500
C ——– TM
SFC
NR 123.9

Answer 8

Control Zone;

the lower limit is at the surface.

Question 9

The upper limit of the airspace is at 4,500 ft (AGL / AMSL)

4500
C ——– TM
SFC
NR 123.9

Answer 9

AMSL

Question 10

The airspace (is / is not) transponder mandatory.

4500
C ——– TM
SFC
NR 123.9

Answer 10

is

Question 11

Does the 1:1,000,000 chart have a larger or smaller scale than 1:250,000.

Answer 11

smaller

Question 12

The variation on a Visual Navigation Chart (does / does not) change annually.

Answer 12

does

Question 13

How are unlighted wind direction indicators (wind socks) indicated on aerodrome charts.

Answer 13

by elongated black triangles

Question 14

On a Mercator chart, scale (is / is not) constant, rhumb lines are (straight / curved) lines and great circles are (straight / curved) lines (concave / convex) to the nearer pole.

Answer 14

is not;
straight;
curved;
convex

Question 15

The Mercator projection is (conical / cylindrical) whereas the Lambert projection is (conical / cylindrical).

Answer 15

cylindrical; conical

Question 16

On a Lambert chart, the meridians are (straight / curved) lines radiating from the nearer pole while parallels of latitude are (straight / curved) lines (concave / convex) to the nearer pole.

Answer 16

straight; curved; concave

Question 17

For aeronautical purposes, the (Lambert / Mercator) is the preferred chart.

Answer 17

Lambert

Question 18

The measurement between A and B on a 1:250,000 chart is 7cm. What is the earth distance in nm that this measurement represents.

Answer 18

9.6 nm

Question 19

How many inches on a 1:500,000 chart represent 20 nm.

Answer 19

3

Question 20

What is the chart scale when 16.4 cm of chart length represents 18 nm.

Answer 20

1:200,000