Monday RNav Flashcards

1
Q

VHF Directions finding frequency (ADF)

A

108 - 137 MHZ

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2
Q

What happens with VHF directions finding?

A

Someone speaks. ATC can see location. They reply with your location or which direction you need to travel in

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3
Q

VDF: the phase difference is a measure of

A

The incoming signal direction

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4
Q

Bearing classification:

A

CLASS A +/- 2⚫️
CLASS B +/- 5⚫️
CLASS C+/- 10⚫️
CLASS D > 10⚫️

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5
Q

VDF emergency service uses the frequency:

A

121.5 MHZ

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6
Q

QDM

A

Aircrafts magnetic heading to

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7
Q

QDR

A

Aircrafts magnetic bearing from

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8
Q

QUJ

A

Aircrafts true track to

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9
Q

QTE

A

Aircrafts True bearing from

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10
Q

QGH

A

Controller interpreted

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11
Q

A sense aerial gets rid of the

A

Null position and the ambiguity

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12
Q

NDB (non directional beacon) is a

A

CARDROID

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13
Q

ADF situated in

A

The ac

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14
Q

NDB situated on the

A

Ground

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15
Q

NDB frequency’s

A

LF to MF band.

190 to 1750KHZ

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16
Q

An NDB of 10KW will typically transmit

A

500nm over a typical sea surface

17
Q

2 main types of NDB

And how many letters identity for each?

A

Locator 2 letters

En route NDB 3 letters

18
Q

Promulgated range =

A

Max range you can receive a transmission from an NDB and guarantee it won’t be affected by another NDB transmission

19
Q

Promulgated range is only valid

A

During the day

20
Q

New power / old power is equal to

A

(New range / old range) ^2

21
Q

NDB range over water (p is in Watts)

A

3Xsqurt(P)

22
Q

NDB range (nm) over land:

A

2 X squart(P)

23
Q

ICAO requirement for NDB accuracy is

A

+/- 5⚫️

24
Q

NDB signal to noise ratio is

A

3:1