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M11 New > 11.5.3 Nav > Flashcards

11.5.3 Nav Flashcards

1
Q

How many satalites for 3 nav

A

4

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2
Q

How do we get signals from ground base radio stations

A

From bearing or distance from the beacon

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3
Q

What is automatic direction finding used for

A

Determine relative bearing of aircraft to ground station

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4
Q

ADF frequency

A

190-1750Khz

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5
Q

What is the relative bearing

A

Bearing angle between aircraft’s nose and ground station

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6
Q

How is relative bearing measured

A

Clockwise from heading

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7
Q

ADF also know as

A

Non-directional beacon

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8
Q

What 2 things is adf used for

A

En router nav

Position fixing and holding

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9
Q

What type of antennae is the ADF antennae

A

Combined loop/sense

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10
Q

2 types of ADF antennae

A

Omni-directional sense antenna

Directional loop antenna

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11
Q

What does dme measure

A

Slant angle

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12
Q

Dme frequency

A

399.9Nms

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13
Q

What is shown if there’s invalid information/none

A

4 dashes

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14
Q

What is the ils used for

A

Manual and automatic precision landing

Automatic landing in category 3

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15
Q

2 parts of ILS

A

Localiser

Marker beacon

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16
Q

Where is the ils antennae located

A

Inside the raydome

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17
Q

Why don’t we tune the marker beacon

A

They all have the same frequency 75Mhz

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18
Q

Outer marker colour

A

Blue

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19
Q

Middle maker colour

A

Amber

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20
Q

Inner marker colour

A

White

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21
Q

Primary reason for radar

A

Deflects and tracks objects in airspace

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22
Q

What principle does radar work on

A

Radio wave detection

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23
Q

Secondary purpose of radar

A

Identifying and tracking aircraft

24
Q

What are adirus used for and what pressure do they give measurements from

A

Bellows and they use barometric pressure

25
Q

What is mode a

A

4 digit 0-7

26
Q

What is mode C

A

4 digit code and barometric altitude

27
Q

What is mode S linked to

A

Linked to TCAS

28
Q

Air traffic control L band send and reply frequency

A

Send 1030 MHZ

Reply 1090 MHZ

29
Q

Emergency codes

A

7500 , 7600 , 7700

30
Q

How many bit addresses does tcas modes send

A

24 per second

31
Q

What indications does tcas use

A

VSI

32
Q

What zones do EADI have

A

Fly out zones for resolution advisory which is red

33
Q

Low range rad alts are what height

A

0-2500ft

34
Q

What does low range rad alt do

A

Indicate decision height or minimum decision height

35
Q

What does low range rad alt do

A

Indicate decision height or minimum decision height

36
Q

What are the radio altimeters located and how many

A

2 which are mounted on belly of the aircraft

37
Q

Where is the master control for gps located in what us state

A

Colorado

38
Q

How many satalites are in orbit

A

30

39
Q

What system does gps use

A

Dual system

40
Q

What is the gps antennae impedance

A

50 ohms

41
Q

How often do we update the fms

A

Every 28 days

42
Q

Where do we get info for the fms

A

Via the mcdu

43
Q

What does engine pressure ratio indicate

A

Thrust

44
Q

What 3 flight instruments use static pressure

A

ALT

ASI

VSI

45
Q

What is the purpose of the ground proximity warning system

A

Alert crew of unsafe condition or new terrain

46
Q

What does the ewps do

A

Maps terrain

47
Q

Gwps range and modes

A

30ft-2450ft

1-6 modes

48
Q

In ewps what is mode 7 used for

A

Specific aircraft types

49
Q

When does adiru battery light come on

A

When aircraft is on ground only power source for the adiru is the hot battery bus

50
Q

When does adiru enters the auto nav realign mode

A

If adiru in nav mode don’t move in 6-15m

51
Q

Lateral axis letter

A

X

52
Q

Longitudinal axis letter

A

Y

53
Q

Longitudinal axis letter

A

Y

54
Q

Vertical axis letter

A

Y

55
Q

Ins/irs intergration

A

1 - speed

2 - distance

M11 New (17 decks)

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