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Block 12 > Unit 4 > Flashcards

Unit 4 Flashcards

1
Q

What provides information and guidance for aircraft landing even in adverse weather. This utilizes three separate receivers to process the signal from three ILS ground transmitters

A

Instrument Landing System (ILS)

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2
Q

This system provides the VHF receiver with signals that determine left/right deviation relative to the runway centerline

A

Tone localizer (LOC)

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3
Q

What radio frequency does the tone localizer use and its frequency range

A

VHF 108.10 - 111.95 MHz (Odd 1/10 MHz)

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4
Q

How many channels are for Tone Localizer

A

40

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5
Q

What is used in conjunction with the Terminal VOR

A

Tone Localizer (LOC)

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6
Q

What is the operating principle of the Tone Localizer

A

Amplitude Comparison (90 Hz and 150 Hz)

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7
Q

What provides up/down deviation and is paired with the LOC channels

A

Glide Slope

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8
Q

What is the operating principle of Glide Slope

A

Amplitude Comparison (90 Hz and 150 Hz)

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9
Q

What provides light and audible indications and shows the distance from end of runway

A

Marker Beacon (MB)

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10
Q

What are the 3 MB and characteristics

A

Outer - 4 to 7 Miles from EOR, Blue light, 400 Hz
Middle - 3500 ft, Amber light, 1300 Hz
Inner - 1000 ft, White light, 3500 Hz

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11
Q

What is the transmit frequency of the Marker Beacon (MB)

A

75 MHz

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12
Q

What component of the ILS sets the localizer channel

A

Control Panel

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13
Q

What component of the ILS is in which the selected frequency determines activated portion of the receiver

A

Receiver

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14
Q

What shares an antenna on the stabilizer

A

VOR/LOC

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15
Q

What has separate antennas

A

Glide Slope and Marker Beacon

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16
Q

Where is the Glide Slope beacon antenna

A

Inside the nose/lower bulkhead

17
Q

Where is the Marker Beacon antenna

A

Flush mounted on bottom of A/C

18
Q

What is the primary indicator of the ILS

A

ADI

19
Q

What does the ADI Display

A

Glide Slope Deviation
Bank Steering Bar
Pitch Steering Bar

20
Q

How much is each dot in the Pitch Steering Bar of the ADI

A

0.3°

21
Q

What does the HSI display

A

Course Deviation Bar (Localizer)

22
Q

How much is each dot in the HSI

A

1.25°

23
Q

Where will the bearing needle on the HSI park

A

90°

24
Q

Where will the light signal go through before reaching the MB

A

Radio Junction Box

25
Q

Where will the sound signal go through before reaching the interphone

A

Interphone Junction Box

Block 12 (4 decks)

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