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CPL BOOKLET > Annex3 > Flashcards

Annex3 Flashcards

1
Q

1- What is the approximate speed of a 40 kts wind, expressed in m/sec?

A

20 m/sec.

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2
Q

2- What values are used for the forecasted wind at higher levels?

A

Direction relative to True North and speed in knots.

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3
Q

3- What is the approximate speed of a 25 kts wind, expressed in kilometres per hour?

A

45 km/h

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4
Q

4- What is the approximate speed of a 90 km/h wind, expressed in knots?

A

50 kts

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5
Q

5- A wind of 20 knots corresponds to an approximate speed of:

A

10 m/sec

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6
Q

6-The wind at the surface is 240˚/15 kts. What is it most likely to be at 2000 ft?

A

270˚/30 kts

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7
Q

7- Wind at 2000 ft 200˚/40 kts. What would you expect at the surface over the sea approximately?

A

190˚/30 kts

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8
Q

8-(Refer to figure C-09) Assuming a generalized zonal system of world climatic and wind circulation, zone U is in area of:

A

NE trade winds.

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9
Q

9-The following weather report is a: OIII 241322 VRB03KT 1500 HZ OVC004 BECMG 1517 OOOOOKT 0500 FG VV002 TEMPO 2022 0400 FG VV001

A

9 hour TAF.

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10
Q

10- The first clouds are thin, wispy cirrus, followed by sheets of cirrus and cirrostratus, and altostratus. The sun is obscured as the altostratus thickens and drizzle or rain begins to fall. The cloud base is lowering as nimbostratus arrives. These phenomenon is due to a:

A

Warm front.

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11
Q

11-(Refer to figure C-07) The diagram in the annex represents a cross-section of the following frontal weather system

A

Cold occlusion.

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12
Q

12- An area on a synoptic chart appearing as a “V-shaped” extension of a low pressure area is called a:

A

Trough

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13
Q

13-(Refer to figure C-08) What change in pressure will occur at point “A” during the next approximately 1 to 2 hours?

A

A rise in pressure.

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14
Q

14- (Refer to figure C-11) The cold front is indicated at position:

A

B

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15
Q

15- (Refer to figure C-11) The warm sector is indicated by letter:

A

C

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16
Q

16-(Refer to figure C-10) Which of the following best describes Zone B?

A

Col

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17
Q

17- (Refer to figure C-10) Which of the following best describes Zone C?

A

Ridge of high pressure.

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18
Q

18- (Refer to figure C-11) What does zone B depict?

A

The cold front.

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19
Q

19- (Refer to figure C-13) The pressure system at position “D” is a:

A

Col.

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20
Q

20- (Refer to figure C-12) The front labeled “F” is a:

A

Warm front.

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21
Q

21- (Refer to figure C-11) What does zone C depict?

A

The warm sector.

22
Q

22- (Refer to figure C-10) Which of the following best describes Zone A?

A

Trough of low pressure.

23
Q

23- (Refer to figure C-08) What pressure does an observer at point “C” encounter during the next 1 hour?

A

Falling pressure.

24
Q

24- (Refer to figure C-08) What temperature change does an observer at point “C” encounter in the next 1 to 2 hours?

A

The temperature increases.

25
Q

25- (Refer to figure C-08) What pressure changes does an observer at point “B” encounter during the next hour?

A

No substantial pressure change.

26
Q

26- What is the meaning of the expression “FEW”?

A

1 - 2 oktas of cloud cover.

27
Q

27- What is the meaning of the abbreviation “BKN”?

A

5 - 7 oktas.

28
Q

28- The meaning of RVR is:

A

Runway visual range.

29
Q

29- What is the meaning of the abbreviation “SKC”?

A

0 okta cloud cover.

30
Q

30- What is the meaning of the abbreviation “OVC”?

A

8 oktas cloud cover.

31
Q

31- Among the ten groups of clouds, the following two are mentioned specifically in meteorological reports and forecasts intended for aviation:

A

Cumulonimbus and towering cumulus.

32
Q

32- What are the colors of stationary front is shown on a surface chart?

A

Red and blue

33
Q

33- What is the color of warm front is shown on a surface chart?

A

Red

34
Q

34- Runway visual range can be reported in:

A

A METAR.

35
Q

35- When will the surface wind in a METAR record as gust factor?

A

When gusts are at least 10 knots above the mean wind speed.

36
Q

36- Which of the following weather reports could be, In accordance with the regulations, abbreviated to CAVOK?

A

15003KT 9999 BKN100 17/11 01024 NOSIG =

37
Q

37- Which of the following phenomena should be described as precipitation at the time they are observed?

A

DZ

38
Q

38- What does the abbreviation “NOSIG” mean?

A

No significant changes.

39
Q

39- A SPECI is:

A

An aviation selected special weather report.

40
Q

40- What does the term METAR signify?

A

A METAR signifies the actual weather report at an aerodrome and is generally issued in half-hourly or hourly intervals.

41
Q

41- ATIS information contains:

A

Meteorological and operational information.

42
Q

42- Refer to the following TAF for Tehran.

OIII 061019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 1113 23012KT 6000

-DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

The lowest cloud base forecast for Tehran (ETA at 12:00 UTC) is:

A

1500 ft

43
Q

43- How long from the time of observation is a TREND in a METAR valid?

A

2 hours

44
Q

44- Which of the following phenomena should be described as precipitation at the time they are observed?

A

+SHSN

45
Q

45- Which of the following weather reports is a warning of conditions that could be potentially hazardous to aircraft in flight?

A

SIGMET

46
Q

46- The wind direction in a METAR is measured relative to:

A

True North.

47
Q

47- A METAR message is valid:

A

At the time of observation.

48
Q

48- In a METAR message, abbreviations “BR” and “HZ” mean respectively:

A

BR = mist, HZ = haze.

49
Q

49- In a METAR message, the wind group is 23010MPS. This means:

A

Wind from 230°true at 20 knots.

50
Q

50- In the METAR code the abbreviation “VC” indicates:

A

Present weather within a range of 8 km, but not at the airport.

CPL BOOKLET (18 decks)

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