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Block 11 > Unit 1 > Flashcards

Unit 1 Flashcards

1
Q

Stated or implied coordinates a place that can be identified

A

Position

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2
Q

Position relative to another expressed in degrees as three numbers

A

Direction

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3
Q

Spacial separation between two points without regards to direction

A

Distance

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4
Q

Height of an aircraft above a reference plane (AGL & MSL)

A

Altitude

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5
Q

This term consist of hour of day and an ellapsed interval

A

Time

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6
Q

Direction in which the aircraft must be flown or is being flown this direction of travel required to reach destination

A

Course

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7
Q

Amount and direction an Aircraft is off course

A

Deviation

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8
Q

This is the effect wind has on the left/right track of an aircraft this is caused by Crosswinds

A

Drift

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9
Q

Speed movement over the ground

A

Ground speed

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10
Q

Direction which the aircraft points/heads at any instant it is expressed in angular units clockwise

A

Heading

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11
Q

What are the two types of heading

A

True heading and magnetic heading

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12
Q

* This is measured from the equator towards either polls

  • East to west direction
  • Measures north south
A

Latitude/parallel lines

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13
Q
  • This is the angular distance of a place
  • North-south direction
  • Measures east-west of the prime meridian
A

Longitude/meridian lines

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14
Q

These lines are farthest apart from each other at the equator/widest distance at the equator

A

Longitude/meridian lines

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15
Q

This is the distance between two meridians

A

Departure

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16
Q

If latitude lines have the same name what do you do

A

Subtract

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17
Q

If latitude lines have contrary names what do you do

A

Add

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18
Q

If longitude lines have the same name what do you do

A

Subtract

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19
Q

If longitude lines have contrary names what do you do and if it is greater than 180°

A

Add but if greater than 180° subtract from 360°

20
Q

What is the conversion of
1° in latitude
1 minute
1 second

A

60 NM
1 NM
100 ft

21
Q

What is the conversion of
1 degree in longitude
1 minute
1 second

A

60 NM at the EQ
1 NM at the EQ
100 ft at the EQ

22
Q

This is the actual path traveled with respect to the earth it is caused by drift

A

Track

23
Q

How do you measure direction

A

Clockwise

24
Q

What is known as going to another object not on initial course can be true magnetic or relative

A

Bearing

25
Q

What bearing is a reference to magnetic north

A

Magnetic bearing

26
Q

What bearing is the difference between the Aircrafts heading and the bearing pointer and is relative to yourself

A

Relative bearing

27
Q

What is the shortest distance between two points on a sphere and cuts the globe in perfect half

A

Great circle

28
Q

Circles other than great circles and does not divide a sphere into equal halves

A

Small circles

29
Q

These are easier to fly but longer unless they are also a great circle they spiral towards the polls but never reach them

A

Rhumb lines

30
Q

This is determined by adding/subtracting 180° from the original course/bearing

A

Reciprocal

31
Q

This is the current position of an aircraft defined in terms of longitude and latitude

A

Present position

32
Q

Using direction information from two or more fix points to plot an unknown position

A

Triangulation

33
Q

Particular spot along a desired course

A

Waypoint

34
Q

Position derived for measuring external reference points where you are at now

A

Fix

35
Q

Can be anything from our aircraft system to a simple as a lighthouse or buoy

A

Navigation aids

36
Q

Process of calculating position by using a previously determined position/fix

A

Dead reckoning

37
Q

This is used to determine a fix

A

Line of position

38
Q

What does the earths magnetic field act as

A

An imperfect bar magnet

39
Q

This is the text magnetic north but rotates a Compass card to put the nose of the aircraft at the top of the indicator

A

Aircraft compass

40
Q

What type of compass error is when the magnetic north is not aligned with true North and it’s caused by natural causes

A

Magnetic declination/variation

41
Q

What compass error is the influence of the immediate environment upon a compass

A

Compass deviation

42
Q

What navigation indicator gives heading and bearing

A

Radio magnetic indicator RMI

43
Q

What navigation indicator gives bearing distance and heading

A

Bearing distance heading indicator BDHI

44
Q

What navigation indicator gives heading, bearing, distance, course deviation, and to/from

A

Horizontal situation indicator HSI

45
Q

What navigation indicator gives attitude (pitch and roll) and steer to/from

A

Attitude Director indicator ADI

Block 11 (1 decks)

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