VOR

Question 1

What are VORs?

Answer 1

• Ground based stations maintained by Nav Canada
• At one point there was 450 of them but, like NDBs, they are slowly being phased out
• Each station broadcasts a unique frequency and Morse code identifyer

Question 2

In this picture, what are the lines coming out of the VOR radial marked 223° and 312°?

Answer 2

Airways

Question 3

On this VNC map, what is the VOR info?

Answer 3

• Identifier is ROX
• Frequency is 108.8

Question 4

What does a VOR look like on a Lo Chart?

Answer 4

Question 5

What is a DME and what are the two symbols on maps for when a DME is combined with a VOR?

Answer 5

Distance Measuring Equipment

Question 6

What is a TACAN?

Answer 6

Something else we can use for distance info (but we can’t pick up its radials, only military can use the radials on a TACAN)

Question 7

What is the difference between a VOR, a VORTAC, and a VOR/DME?

Answer 7

• A VOR will give you only radials
• A VORTAC or VOR/DME combo will give both radials and distance information

Question 8

In what frequency range do VORs operate and what are the pros of them?

Answer 8

• VHF range of 112.00 - 117.95 Mhz
• At these frequencies all the troubles that NDBs have don’t affect VOR signals
• VORs are accurate +/-1°

Question 9

What are the disadvantages of VORs?

Answer 9

Signals are ling of sight so obstacles can interfere with them easily

Question 10

What is the formula for figuring out if you will be able to recieve a VOR signal?

Answer 10

The answer you get is the biggest distance away that you could recieve the VOR. So as long as the distance given in the question is less than your answer, you can receieve the VOR

Question 11

What is important to remember about Victor Airways like on this map?

Answer 11

V303 does not mean the airway is on the VOR’s 303° radial. 303 is just the name of the airway. V303 is actually on the 202° radial

Question 12

If travelling between two VORs which one do you use?

Answer 12

The one you departed from you will fly ‘from’ on. At the halfway point, or where there is a changeover marker on the Lo Chart, you would switch over and fly ‘to’ your destination VOR

Question 13

What does the 4000 means where its indicated on the V303 airway?

Answer 13

That if you stay at least 4000ASL you will get both of those VOR signals.

Question 14

The Nav/VOR side of the radio

Answer 14

Question 15

VOR Indicator

Answer 15

Question 16

How many degrees does each line on a VOR represent off your radial?

Answer 16

2°. With a max of 10° off

Question 17

What are the 5 ways you can test a VOR?

Answer 17

• VOT
• Self Test
• Apron Check Sign
• Dual VOR Check
• Geographical Reference Point

Question 18

VOR VOT Test

Answer 18

Question 19

VOR Self Test

Answer 19

Question 20

VOR Apron Checkpoint test

Answer 20

Question 21

Dual VOR test

Answer 21

Question 22

VOR Landmark Test

Answer 22

Question 23

How do you calculate time and distance to a station?

Answer 23

• Note radial you are on
• Turn onto a heading that is 90° to that radial
• Not the time in seconds that it takes for you to cross a given number of radials

Time to Station (Min) = Seconds to cross radials** /** radials crossed
Distance to Station = TAS** X** Time to Station (min) / 60

Note: Either TAS or GS can be used for this equation.