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FI.27.MOD.BASE > NAV > Flashcards

NAV Flashcards

1
Q

Qual o diâmetro da terra?

A

12 742Km

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2
Q

Quanto é uma NM em Km?

A

1,852km

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3
Q

Quanto é um nó em m/s?

A

0,514m/e

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4
Q

Quais os benefícios da navegação?

A
  • melhora safety
  • maior eficiência
  • melhoria no tempo e consumo
  • redução de emissões
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5
Q

Quais os 4 métodos de navegação?

A
  • piloting
  • dead reckoning
  • celestial navigation
  • eletronic navigation
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6
Q

O que é piloting?

A

Método de navegação
Guiding a ship through waters near shore (VFR referência visual do terreno)

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7
Q

O que é dead reckoning?

A

Assumed ground position of the a/c based on calculation (deduced from forecast wind)

Keeping track where has been both along shore and at sea.
Recording course and speed over time, navigator keeps track of position

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8
Q

What should be guaranteed when flying VFR?

A
  • A/c flown in VMC
  • Obstacle Clarence height is maintained
  • doesn’t penetrate D, P or R
  • flights requiring FIS shall submit flight plan and bilateral communications
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9
Q

What is the shape of earth?

A

Spherical ( oblate spheroid)

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10
Q

What is a great circle?

A

Circle drawn on the surface of the earth whose radius and center are the same as the earth’s

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11
Q

What is a small circle?

A

Circle drawn on the surface of the earth whose radius and center are not the same as the earth’s

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12
Q

What is a meridian?

A

A semi great circle joining the poles

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13
Q

What is a rhumb line?

A

A regularly curved line on the surface of the earth that cuts all meridians at the same angle

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14
Q

How many NM are 1⁰?

A

60NM

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15
Q

How many minutes are 1NM?

A

1min

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16
Q

What is the Earth’s tilt?

A

23,4⁰

17
Q

What is the civil twilight?

A

Begins in the morning when the center of the sun’s disc is 6º below horizon and ends in the evening when the center of the sun’s disc is 6º below the horizon

18
Q

What is the reference point for the zero world time zone?

A

Green which meridian

19
Q

What is the international date line?

A

Irregular line drawn on the map of the Pacific ocean, near many places coincident with the 180⁰ meridian

Marks the place where navigators change the date by a day

20
Q

When changing the date, navigators change for 1 day earlier when traveling in which direction?

A

West to East

21
Q

What is a graticule?

A

“squares” composed by latitude and longitude

22
Q

What is latitude?

A

Is the angular distance from the equator to a point measure northwards or southwards along the meridian throught that point

Maximum 90⁰

23
Q

What is longitude?

A

Is the shorter angular difference along the equator between the prime meridian through that point
Maximum 180⁰

24
Q

What is Ins?

A

Inertial navigation system

Self contained navigation system utilizing a gyro stabilized platform

25
Q

What is the FMS?

A

Flight management system

On-board multi purpose navigation, performance and aircraft operations computer

Continuously calculates position

26
Q

What does the FMS consist of?

A

FMC Flight management computer
Automatic flight control System
A/c navigation system
EFIS eletronic flight instruments system

27
Q

What is a heading?

A

Direction in which a/c nose is pointed at

28
Q

What is track?

A

The flight path a/c is following

29
Q

What is variation?

A

Angular difference between Tru north and magnetic north

Where magnetic is in relation to true

30
Q

What is deviation?

A

Error induced in a compass by a local field

Where compass is in relation to magnetic north

31
Q

What affects the accuracy of a compass?

A
  • manufacture
  • irregularities and fluctuations in Earth’s magnetic field
32
Q

What is a deviation card?

A

Errors of compass on a/c

33
Q

What is an isogonal?

A

Lines across a map joining points of equal variation

34
Q

What is a map projection?

A

Is the transformation of Earth’s curved surface onto a 2D flat surface

35
Q

What are the most used projections?

A

The Mercator and the lambert

FI.27.MOD.BASE (14 decks)

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