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PPL Course - (3) Navigation and Meteorology > Chapter 7.4 - Time and Time Systems > Flashcards

Chapter 7.4 - Time and Time Systems Flashcards

1
Q

List all Date/Time systems used in Aviation?

A
  • 10 digit.
  • 8 digit.
  • 6 digit.
  • 4 digit.
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2
Q

What calculation do you use when adding Time that exceeds 60 minutes (2)?

A
  • Add the numbers together.

- +1 hour and -60 from the minutes figure.

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3
Q

What calculation do you use when adding Time that exceeds 24 hours (2)?

A
  • Add the numbers together.

- +1 day and -24 from the hour figure.

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4
Q

What calculation do you use when subtracting Time in minutes that is higher than first figure (2)?

A
  • -1 hour and +60 minutes to first figure.

- Subtract the second figure from step one.

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5
Q

What calculation do you use when subtracting Time in hours that is higher than first figure (3)?

A
  • -1 hour and +60 minutes to first figure.
  • -1 day and +24 hours to step one.
  • Subtract second figure from step two.
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6
Q

360° in Longitude is equal to how much in mean time?

A

24 hours.

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7
Q

15° in Longitude is equal to how much in mean time?

A

1 hour.

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8
Q

1° in Longitude is equal to how much in mean time?

A

4 minutes.

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9
Q

15’ in Longitude is equal to how much in mean time?

A

1 minute.

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10
Q

1’ in Longitude is equal to how much in mean time?

A

4 seconds.

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11
Q

What does LMT stand for?

A

Local Mean Time.

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12
Q

What does UTC stand for?

A

Coordinated Universal Time.

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13
Q

For LMT, when Longitude is East, what happens to UTC?

A

Decreases.

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14
Q

For LMT, when Longitude is West, what happens to UTC?

A

Increases.

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15
Q

What does ZT stand for?

A

Zone Time.

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16
Q

What does SM and ST stand for?

A
  • Standard Meridian.

- Standard Time.

17
Q

What does EST stand for and its meridian (2)?

A
  • Eastern Standard Time.

- LMT = 150°E.

18
Q

What does CST stand for and its meridian (2)?

A
  • Central Standard Time.

- LMT = 142°30’E.

19
Q

What does WST stand for and its meridian (2)?

A
  • Western Standard Time.

- LMT = 120°E.

20
Q

How many hours difference between UTC and EST?

A

+1000 h.

21
Q

How many hours difference between UTC and CST?

A

+0930 h.

22
Q

How many hours difference between UTC and WST?

A

+0800 h.

23
Q

Summer Time between (October to March) moves the base meridian by how many degrees and to which direction?

A
  • 15°.

- East.

24
Q

How many hours are added to the correction between UTC and Australia’s time zones during Summer Time?

A

+1 h.

25
Q

What does ESST, CSST and WSST stand for (3)?

A
  • Eastern Standard Summer Time.
  • Central Standard Summer Time.
  • Western Standard Summer Time.
26
Q

What two factors affect the amount of Daylight?

A
  • Date/Season.

- Latitude.

27
Q

What two factors affect the time of sunrise and sunset?

A
  • Date/Season.

- Latitude.

28
Q

True or False. Longitude can also affect sunrise and sunset?

A

True.

29
Q

What does BoD stand for?

A

Beginning of Daylight.

30
Q

What does EoD stand for?

A

End of Daylight.

31
Q

What is the name given to the period between sunrise/sunset to the beginning/end of daylight and their abbreviations?

A
  • Morning Civil Twilight (MCT).

- Evening Civil Twilight (ECT).

32
Q

What is the degree below the observer during MCT and ECT?

A

6°.

33
Q

It is a VFR requirement to arrive at a destination at least ‘x’ minutes before EoD. What is x?

A

10 minutes.

34
Q

The date (by month and day) is plotted at the top and bottom of the graph. Each small square represents what time length?

A

5 days.

35
Q

The Daylight is plotted either side of the graph. Each small square represents what time length?

A

5 minutes.

36
Q

Name three other factors which can affect Daylight?

A
  • Clouds.
  • Visibility Restriction.
  • Local Terrain

PPL Course - (3) Navigation and Meteorology (23 decks)

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