Position 05

Question 1

Directions on the earth are made from an origin/ datum called?

Answer 1

The prime meridian

Question 2

Indicating a position on the Earth by reference to a graticule that covers the glove. True or False?

Answer 2

True.

Question 3

Define latitude.

Answer 3

The angular distance from the equator to a point measured north/southwards along the meridian through that point.

Question 4

Parallels of latitude_______ the earth and are _______ in degrees ______ or _______ the equator up to a maximum of _______________

Answer 4

Circle 
Expressed 
North 
South 
90 degrees

Question 5

Vertical lines of longitude are referred to as ?

Answer 5

Meridians

Question 6

The uk mainland lies between which parallel of latitude?

Answer 6

50-59 degrees

Question 7

Meridians of longitude are up to a maximum of?

Answer 7

180 degrees

Question 8

What meridian of longitude does the uk mainland lie between?

Answer 8

7 west and 2 east

Question 9

The shorter angular distance along the ______ between the ______\______ and the meridian through that point expressed in degrees east or west or a reference known as the prime meridian up to a maximum of ___________

Answer 9

Equator
Prime meridian
180 degrees

Question 10

Which one comes first longitude or latitude

Answer 10

Latitude proceeds longitude

Question 11

In aviation the letters proceed the number and the longitude has 7 numbers while latitude has 6. The last 4 give minutes to within two decimal places.

Answer 11

👍

Question 12

List the 3 other ways to report Position.

Answer 12

Published waypoint
Beacons
VOR/DME- Position in range and bearing.

Question 13

What are the two common scales of ordnance survey maps?

Answer 13

1: 25,000 (Walkers)
1: 50,000 (Emergency Services)

Question 14

Where is the true origin on an ordnance survey map?

Answer 14

Bottom southwest corner

Question 15

What are the areas of the 3 ordinance survey maps?

Answer 15

2500km x 2500km

500km x 500km

100km x 100km

Question 16

References in regards to ordnance survey scales can be referenced in 
4 figures - accurate to 1000m
6 figures- 100m
8 figures - 10m
10 figures - 1m

Answer 16

True

Question 17

What is ground position?

Answer 17

Position on the ground directly beneath the aircraft at a given time

Question 18

How can you visually determine a position?

Answer 18

1) pinpoint: identification by direct observation

2) Fix: use of bearings and position lines

Question 19

What is dead reckoning position?

Answer 19

The assumed position of the aircraft based on calculations; deduced from wind forecasts.

Question 20

Define Bearing

Answer 20

The horizontal direction of an object, measured in degrees clockwise from the direction of north at the pilots position is the bearing of an object.

Question 21

Define relative bearing

Answer 21

The horizontal direction of an object from the aircraft is measured in relation to the forward axis of the aircraft.

Question 22

Heading + relative bearing = true bearing.

True or False?

Answer 22

True

Question 23

What is a position line?

Answer 23

A line drawn on a chart a long which an aircraft is known to have been at a certain time.

Question 24

What are the two types of position lines?

Answer 24

Single position line

Circular position line

Question 25

Position lines obtained by radio aids are called

Answer 25

Radio position lines

Question 26

What equipment is used for obtain bearing?

Answer 26

VDF
VOR
ADF

Question 27

What equipment is used for range?

Answer 27

DME

Question 28

What is a fix?

Answer 28

The intersection of 2 or more position lines obtained simultaneously.

Question 29

Position lines should cross at what angle?

Answer 29

90 degrees but not less than 60.

Question 30

What is a graticule?

Answer 30

Method of indicating position on the earth

Question 31

A graticule is one degree of longitude at 60 degrees latitude. What is the width of the graticule?

Answer 31

30nm

Question 32

One degree of longitude at the equator, what width is the graticule?

Answer 32

60nm