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Block 3 > 16 Lp Basic Nav > Flashcards

16 Lp Basic Nav Flashcards

1
Q

What are the imaginary reference lines on the earth

A

Parallels of latitude, meridians of longitude

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2
Q

How do the parallels of latitude and the meridians of longitude run?

A

Parallels of latitude run east and west meridians of longitude run north and south

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3
Q

A circle formed on the surface of a sphere by the intersection of a plane that passes through the center of the sphere

A

A great circle

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4
Q

What is the great circle

A

The equator

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5
Q

Parallels of latitude are a series of smaller east to west circles referred to as what

A

Small circles

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6
Q

What is the degree of latitude on the equator

A

0°

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7
Q

What is the degree of latitude for the north and south pole

A

90° North latitude, 90° South latitude

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8
Q

The reference line used to measure longitude, in Greenwich

A

The prime meridian 0°

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9
Q

This Describes the positions of a navigational point on the earths surface consisting of parallels of latitude and meridians of longitude

A

Coordinates

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10
Q

What do coordinates consist of

A

Parallels of latitude and meridians of longitude

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11
Q

Parallels and meridians are divided into what

A

Degrees, minutes, and seconds
Example: 129°, 40 minutes, 16 seconds
129°40’16”

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12
Q

The reference line for measuring north to south distance is the

A

Equator

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13
Q

1° equals how many minutes

A

60 minutes

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14
Q

To determine any location on any US chart, latitude readings increase from ________ and longitude readings increase from ______

A

Bottom to top, right to left

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15
Q

Longitude _______ be used as a scale to measure distance except at the equator

A

Cannot

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16
Q

When coordinates are used to define position, is latitude or longitude stated first?

A

Latitude before longitude

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17
Q

What is a great circle route

A

The shortest distance between two points on a sphere

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18
Q

A line which makes the same angle with each Meridian and longitude, and is greater than a great circle route

A

Rhumb line

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19
Q

One nautical mile is equal to how many feet, how many statute miles, and how many minutes of latitude

A

6076 feet, or 6080 feet,
1.15 statute miles,
one minute of latitude

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20
Q

One statute miles equal to how many feet and how many nautical miles

A

5280 feet,

.87 nautical miles

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21
Q

Which mile is always greater? Statute or nautical

A

Statute miles will always be greater than nautical miles

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22
Q

What is the formula to convert nautical miles to statute and vice versa

A

Nautical miles X 1.15 = statute,

statute miles X .87 = nautical

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23
Q

The unit of measurement which equals 1 mile is ______ statute miles

A

1.15

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24
Q

A time zone is established for every_____.

A

15° of longitude

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25
Q

What is the conversion factor for Eastern standard time from the Zulu

A

+5 hours

26
Q

Shown on the aircraft airspeed indicator, used in pilot controller communications

A

Airspeed indicator, IAS

27
Q

Relative to undisturbed air mass, used in flight planning and en route portion of flight

A

True airspeed, TAS

28
Q

The speed of an aircraft relative to the surface of the earth is true airspeed corrected for the effects of wind

A

Ground speed, GS

29
Q

Ratio of true airspeed to the speed of sound, expressed in decimal form

A

Mach number, MACH

30
Q

Indicated airspeed ________ with increases in altitude and temperature

A

Decreases

31
Q

At ________an aircraft indicated airspeed is significantly lower than it’s true airspeed

A

High-altitude’s

32
Q

True or false, increase in temperature has the same effect on speed as an increase in altitude

A

True

33
Q

What is the formula for time speed and distance

A

Time equals distance divided by speed
Speed equals distance divided by time
Distance equals speed times time

34
Q

Wind is stated to include what

A

Direction and velocity in knots

35
Q

Does wind affect true airspeed

A

No

36
Q

Does wind affect ground speed

A

Yes

37
Q

Represents the indicated path of the aircraft over the earth surface

A

True course

38
Q

The actual path the aircraft has flown over the earth surface

A

Track

39
Q

What any free object will do as the air moves down wind with the speed of the wind

A

Drift angle

40
Q

What is the formula for true heading

A

TH=TC+-WCA

True heading equals true course plus or minus wind correction angle

41
Q

It is the controller’s responsibility to compensate for wind speed and direction when

A

Formulating estimates, issuing radar vectors

42
Q

The magnetic north pole is located at ______ miles from the true north pole and is ______

A

1300, always moving

43
Q

Connect points of zero variation

A

Agonic line

There is only one.

44
Q

Connect points of equal difference between true and magnetic north

A

Isogonic line

45
Q

For east variation and West variation do you subtract or add the degrees of variation?

A

East is least and West is best,

East you subtract west you add

46
Q

What is the formula for magnetic heading

A

MH=TH+-VAR

Magnetic heading is true heading plus or minus variation

47
Q

Which north is wind and weather reports referencing

A

True North

48
Q

What is the Compass heading formula

A

CH=MH+-DEV

Compass heading equals magnetic heading plus or minus a deviation

49
Q

The air of a magnetic compass due to the magnetic influence in the structure and equipment of the aircraft

A

Deviation

50
Q

The angular difference between true North and magnetic north at any given place is called

A

Variation

51
Q

A line of equal magnetic variation is often called a_____ line

A

Isogonic

52
Q

A magnetic compass air that is caused by materials with an aircraft which possess magnetic properties

A

Deviation

53
Q

True heading is true Course corrected for the effects of____.

A

Wind

54
Q

Compass heading is the magnetic heading corrected for the

A

Deviation

55
Q

Magnetic heading is true heading corrected for

A

The variation

56
Q

Navigation of an airplane solely by means of computations based on airspeed, Course, heading, wind direction and speed, groundspeed, and elapsed time

A

Dead reckoning

57
Q

Apply one correction to true Course to determine

A

True heading and groundspeed

58
Q

Aviation charts are used to plot and determine:

A

True course, distance, variation

59
Q

The determination of position by identification correction of landmarks from their representation chart

A

Pilotage

60
Q

Can you use pilotage in IFR weather

A

No, useful only in VFR weather

61
Q

Navigation by reference to visible landmarks is called

A

Pilotage

62
Q

What method of navigation requires find a predetermined course taking into account the facts of wind?

A

Dead reckoning

Block 3 (7 decks)

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