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Block 12 > Unit 3 > Flashcards

Unit 3 Flashcards

1
Q

What is the principle of VOR

A

Phase Comparison

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2
Q

What is point-to-point navigation coming from one ground station to another. This also determines the A/C’s position by magnetic bearing to two or more (triangulation) ground stations and plotting these bearings on a map

A

VHF Omni Diretional range (VOR)

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3
Q

What two signals does VOR use

A

30 Hz Reference and 30 Hz Variable

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4
Q

Which 30 Hz signal is Omni directional and uses frequency modulation

A

Reference

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5
Q

What 30 Hz signal is sweeping and uses amplitude modulation

A

Variable

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6
Q

What shape is created by _______ on the Cardiod Power Pattern?

A

Heart shape, reflector

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7
Q

What groundstations is enroute navigation

A

High Altitude and Low Altitude

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8
Q

What groundstation is local navigation

A

Terminal

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9
Q

Frequency range of High Altitude and Low Altitude (Enroute)

A

112-117.95 MHz

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10
Q

Frequency range of Terminal (LOC)

A

108-111.85 MHz (Even 1/10)

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11
Q

How many possible frequencies for Enroute and how many for LOC. How many it total?

A

Enroute - 120
Local - 40
Total Frequency/channels - 160

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12
Q

How many miles apart if different frequency

A

80 miles

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13
Q

How many miles apart if same frequency

A

500 miles

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14
Q

Power requirement for VOR

A

28 VDC

26 VAC 400 Hz compass system

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15
Q

Frequency range of VOR

A

108-117.95 MHz

Even 1/10

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16
Q

What component has the VOR Localizer, Glide slope, and Marker Beacon and conducts Phase Comparison

A

Receiver

17
Q

How many receivers in the Receiver of the VOR

A

3 in one

18
Q

How is the antenna in the VOR placed

A

Flush Mounted

19
Q

Where does the bearing slew to in the VOR Self-test

A

315°

20
Q

This is a rotating compass card and displays magnetic heading received from the aircraft compass system and magnetic bearing

A

Radio magnetic indicator (RMI)

21
Q

This displays bearing, distance, and heading

A

Bearing Distance Heading Indicator (BDHI)

22
Q

This displays magnetic heading, course deviation indicator, has one bearing pointer, and to/from flags

A

Horizontal Situation Indicator (HSI)

23
Q

This has course deviation and the Bank Steering Bar, with Fly-to/steer-to.

A

Altitude Direction Indicator (ADI)

24
Q

What switch is used for switching from VOR to ILS

A

Flight Director Mode Switch

25
Q

This sends signal to the devices for display

A

Navigation instrument switching system (NISS)

26
Q

What is used as a ground station to duplicate aircrew write ups for VOR and ILS

A

IFR 4000

27
Q

What is a multi system tester that can be used to test VOR and ILS and will be used by maintainers to simulate conditions that the A/C encounters

A

IFR 4000

28
Q

What is the frequency range of the IFR 4000

A

108-117.95 MHz

29
Q

What is the power requirement of the IFR 4000

A

11-32 VDC

100-250 VAC when plugged in

Block 12 (4 decks)

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