Flight Insight - VOR NDB DME

Question 1

What is the frequency range for VOR excluding LOC frequencies?

Answer 1

108.0 to 117.95 MHz, excluding 108.10-111.95 MHz with odd tenths.

Question 2

What is the full scale deflection for a VOR?

Answer 2

10º.

Question 3

Do standard service volumes apply to published routes in VOR?

Answer 3

No, they do not apply.

Question 4

What must a pilot verify before using a VOR station?

Answer 4

Correct and usable VOR station with morse ID.

Question 5

What does the VOR MON program ensure?

Answer 5

A MON airport is available within 100 NM regardless of aircraft position in the CONUS.

Question 6

How often must VOR receiver checks be performed according to §91.171?

Answer 6

Every 30 calendar days.

Question 7

What is the permissible error for a VOT check in a VOR receiver check?

Answer 7

±4º.

Question 8

What is the permissible error for a repair station check in a VOR receiver check?

Answer 8

±4º.

Question 9

What is the permissible error for a VOR ground checkpoint check?

Answer 9

±4º.

Question 10

What is the permissible error for a VOR airborne checkpoint check?

Answer 10

±6º.

Question 11

What is the permissible error for a dual VOR cross-check?

Answer 11

±4º.

Question 12

What is the permissible error when checking VOR above a prominent ground landmark on a selected radial at least 20 NM from a VOR?

Answer 12

±6º.

Question 13

What information must be included in a VOR check sign-off according to §91.171?

Answer 13

D.E.P.S - Date, Error (bearing error), Place, Signature.

Question 14

Name a limitation of VOR related to signal distortion.

Answer 14

Cone of confusion.

Question 15

What is a limitation of VOR if used incorrectly?

Answer 15

Reverse sensing.

Question 16

What is a basic requirement for VOR functionality between aircraft and station?

Answer 16

Requires line-of-sight.

Question 17

What is the standard service volume range for a Terminal VOR under MON?

Answer 17

25 NM.

Question 18

What is the altitude range for a Terminal VOR under MON?

Answer 18

Up to 12,000 ft.

Question 19

What is the new service volume range for a Low (VL) VOR under MON?

Answer 19

70 NM.

Question 20

What is the new altitude range for a Low (VL) VOR under MON?

Answer 20

Up to 18,000 ft.

Question 21

What is the new service volume range for a High (VH) VOR under MON up to 14,500 ft?

Answer 21

100 NM.

Question 22

What is the new service volume range for a High (VH) VOR from 14,500 ft to 18,000 ft?

Answer 22

100 NM.

Question 23

What is the service volume range for a High (VH) VOR from 18,000 ft to 45,000 ft?

Answer 23

130 NM.

Question 24

What is the service volume range for a High (VH) VOR from 45,000 ft to 60,000 ft?

Answer 24

100 NM.

Question 25

What is the frequency range for Distance Measuring Equipment (DME)?

Answer 25

962-1213 MHz (UHF).

Question 26

How is DME normally tuned?

Answer 26

Automatically with a paired VHF station (VOR/LOC).

Question 27

What signal does the airborne DME unit transmit?

Answer 27

An interrogation signal.

Question 28

How does the ground DME facility respond to the airborne DME unit?

Answer 28

It receives and replies to the interrogation signal.

Question 29

How does the airborne DME unit calculate the distance to the station?

Answer 29

By calculating the slant range distance based on the reply time.

Question 30

What does DME indicate when flying overhead the station due to slant range error?

Answer 30

Greater than zero.

Question 31

When is slant range error negligible for a DME station?

Answer 31

At 1 NM DME station per every 1000 ft height.

Question 32

Give an example of negligible slant range error for DME.

Answer 32

At 5000 ft, slant range error is negligible when further than 5 NM from the station.

Question 33

What is the DME low (DL) service volume range?

Answer 33

130 NM.

Question 34

What is the DME high (DH) service volume range?

Answer 34

130 NM.

Question 35

What is the frequency range for a Non-Directional Beacon (NDB)?

Answer 35

190-535 kHz.

Question 36

What does the ADF (Automatic Direction Finder) in an aircraft point towards?

Answer 36

The NDB.

Question 37

How do you calculate Magnetic Bearing using an NDB?

Answer 37

Magnetic Bearing = Magnetic Heading + Relative Bearing.

Question 38

What is a compass locator in the context of NDB?

Answer 38

A low-powered NDB installed at the Outer Marker (OM) or the Middle Marker (MM) on some ILS approaches.

Question 39

What is the service volume range of a compass locator?

Answer 39

15 NM.

Question 40

What is the service volume range of a Medium High (MH) NDB?

Answer 40

25 NM.

Question 41

What is the service volume range of a High (H) NDB?

Answer 41

50 NM or less, see NOTAM or Chart Supplement.

Question 42

What is the service volume range of a High High (HH) NDB?

Answer 42

75 NM.