COMNAV

Question 1

The most simple navigation system used in aircraft

Answer 1

MAGNETIC COMPASS

Question 2

Using their ________________ and __________________, they could estimate their current location and, ultimately, reach a destination.

Answer 2

AIRSPEED INFORMATION and MEASURING TIME

Question 3

It is very susceptible to cumulative errors.

Answer 3

DEAD-RECKONING

Question 4

It aids supply the pilot with intelligence that maintains or enhances flight safety

Answer 4

RADIO NAVIGATION

Question 5

VOR

Answer 5

VHF Omni Directional Range Radio

Question 6

It is the most common ground-based navigational aid.

Answer 6

VOR

VHF Omni Directional Range Radio

Question 7

They are limited to line-of-sight so if there was a large obstacle between you and the station you would not be able to receive its signal.

Answer 7

VOR

VHF Omni Directional Range Radio

Question 8

It is made up of a ground component and an aircraft receiver component.

Answer 8

VOR SYSTEM

Question 9

They are located both on and off airports to provide guidance information to pilots both en-route and during arrival and departure.

Answer 9

GROUND STATIONS

Question 10

Instrument type varies but consists of one of the following

Answer 10

Omni-Bearing Indicator (OBI)

Horizontal Situation Indicator (HSI)

Radio Magnetic Indicator (RMI)

Combination of two different kinds.

Question 11

VOR consists of a ground-based transmitter that emits radio waves in the _____________________ in all directions.

Answer 11

RANGE TO 108.00 to 117.95 MHz

Question 12

TACAN

Answer 12

Tactical Air Navigation System

Question 13

The military counterpart of the VOR

Answer 13

TACAN

Question 14

DME

Answer 14

Distance Measuring Equipment

Question 15

It is used to calculate the distance between an aircraft.

Answer 15

DME

Distance Measuring Equipment

Question 16

They are received as long as the aircraft is in range of The ground unit and regardless of the aircraft’s direction of travel.

Answer 16

RADIO WAVES

Question 17

When a VOR is collocated with DME.

Answer 17

VOR-DME

Question 18

When a VOR is collocated with a TACAN

Answer 18

VORTAC

Question 19

True north, also called as?

Answer 19

Geographic North

Question 20

It is where the meridians coincide in the north.

Answer 20

Geographic North

Question 21

It is the fixed point

Answer 21

North Pole

Geographic North Pole

True North

Question 22

It is a spot where the compass needle points.

Answer 22

Magnetic North

Question 23

It is constantly moving.

Answer 23

Magnetic North

Question 24

It displays the bearing information to the pilot which is determined by the relative phase of the 30 Hz reference and variable signals from the VOR.

Answer 24

VOR Indicator

Question 25

Type of VOR Indicators

Answer 25

Course Deviation Indicator (CDI) Horizontal Situation Indicator (HSI) Electronic Horizontal Situation Indicator (EHSI) Radio Magnetic Indicator (RMI)

Question 26

This indicator is mostly found in light aircraft and is of electromechanical type.

Answer 26

Course Deviation Indicator (CDI)

Question 27

It is the combination of two cockpit instruments; the directional gyro and the VOR/ILS Indicator.

Answer 27

Horizontal situation indicator (HSI)

Question 28

It reduces the pilot workload by lessening the number of elements in the pilots instruments scan to the 6 basic flight instruments.

Answer 28

Horizontal situation indicator (HSI)

Question 29

An aircraft navigational instrument coupled with a gyro compass that indicates the direction of a selected NAVAID and indicates bearing.

Answer 29

Radio Magnetic Indicator (RMI)

Question 30

It is used to select the desired course in case of manual VOR flying.

Answer 30

Omni Bearing Selector (OBS) Knob

Question 31

It indicates whether the aircraft is flying towards or away from the selected course.

Answer 31

“TO” and “FROM” Indicator

Question 32

They are displayed when an aircraft is flying Towards the station.

Answer 32

TO Indications

Question 33

They are displayed when flying away from the station.

Answer 33

FROM Indications

Question 34

It will show zero deviation when the aircraft is flying on the desired radial.

Answer 34

Deviation Pointer

Question 35

Three Classes of VORs

Answer 35

Terminal (T) Low (L) High (H)

Question 36

VHF radio waves with a ________________ separation between each channel.

Answer 36

50 kHz