Index - Atpl Campus

100 item has been found

1-What is the average height of the arctic jet stream core?

050 1562 Wind

30000 FT. 50000 FT. 20000 FT . 40000 FT.

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2-What is the average height of the jet core within a polar front jet stream?

050 1565 Wind

30000 FT. 50000 FT. 20000 FT. 40000 FT.

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3-At what flight level is the jet stream core that is situated over northern Scandinavia ?

050 1683 CAT

FL 300 FL 360 FL 330 FL 280

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4-What is the approximate ratio between height and width for a jet stream cross section?

050 1563 Wind

1/100 1/10 1/1000 1/1

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5-The core of the polar front jet stream is usually located in the

050 10124 Wind

tropical air above the tropical tropopause polar air above the tropopause tropical air below the tropopause polar air below the tropopause

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6-At which height and at what time of the year can an aircraft be affected by the equatorial jet stream?

050 13660

FL 500 from June to August. FL 400 during the winter in the southern hemisphere. FL 500 from November to February. FL 400 during the winter in the northern hemisphere.

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7-While crossing a jet stream at right angles in Western Europe (3000 FT below its core) and OAT is decreasing, what would be the prevailing wind?

050 2045 Wind

A headwind. Crosswind from the right A tailwind. Crosswind from the left

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8-Where, as a general rule, is the core of the polar front jet stream to be found?

050 12800 Uncategorized Wind

In the polar air mass. Just below the cold-air tropopause. In the tropical air mass. Just above the warm-air tropopause.

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9-Where, as a general rule, is the core of the polar front jet stream to be found?

050 2008 Uncategorized Wind

In the polar air mass. Just below the cold-air tropopause. Just above the warm-air tropopause. In the tropical air mass.

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10-Which of the following statements concerning the core of a polar front jet stream is correct ?

050 4173 Wind

It lies in the cold air; the wind reverses direction at the height of the core It lies at a height where there is no horizontal temperature gradient; the slope of the pressure surfaces at the height of the core is at its maximum It lies in the warm air; its pressure surfaces are horizontal at the height of the core It and its surface projection lie in the warm air

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11-What is necessary for the development of a polar front jet stream?

050 13630 Wind

An unstable atmosphere up to great heights. Strong horizontal temperature gradients. Strong vertical temperature gradients. A uniform pressure pattern.

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12-What is the minimum speed for a wind to be classified as a jet stream?

050 1984 Wind

100 kt. 70 kt. 60 kt. 50 kt.

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13-What, approximately, is the average height of the tropopause over the equator ?

050 128 Uncategorized Wind

40 km 16 km 11 km 8 km

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14-What is the average height of the Tropopause above Poles?

050 1

20 km 16 km 11 km 8 km

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15-What, apprroximately is the average height of the tropopause over the equator?

050 1

40 km 11 km 8 km 16 km

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16-A wind speed of 350 kt within a jet stream core should be world-wide regarded as:

050 1567 Wind

not unusual in polar regions. possible but a very rare phenomenon. a common occurrence. not possible.

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17-At approximately what flight level is the subtropical jet stream found?

050 1582 Wind Uncategorized

FL 400 FL 500 FL 200 FL 300

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18-What is the main cause for the formation of a polar front jet stream?

050 1580 Wind

The varied elevations of the tropopause in the polar front region Strong winds in the upper atmosphere The north-south horizontal temperature gradient at the polar front The pressure difference, close to the ground, between a high over the Azores and a low over Iceland

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19-What name is given to the jet stream lying across India (A) ?

050 1560 Wind

Polar front jet stream. Tropical jet stream. Sub-tropical jet stream. Arctic jet stream.

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20-What name is given to the jet stream lying over Scandinavia (C)?

050 15008 Wind

Low level jet stream Subtropical jet stream Tropical jet stream Polar front jet stream

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21-What name is given to the jet stream lying over North Africa (B) ?

050 1690 Wind

Sub-tropical jet stream Arctic jet stream Equatorial jet stream Polar front jet stream

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22-From summer to winter the average geographic position of the polar front jet stream over the North Atlantic moves

050 10886 Wind

towards the north and the speed increases towards the north and the speed decreases towards the south and the speed decreases towards the south and the speed increases

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23-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

050 1989 Uncategorized Wind

Horizontal dimension. Wind speed. Vertical dimension. Wind direction.

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24-Flight Munich to London. What is the direction and maximum speed of the jet stream affecting the route between Munich and London ?

050 1697 CAT

220° / 120 kt 230° / 120 m/sec 050° / 120 km/h 050° / 120 kt

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25-An aircraft over Western Europe is crossing a jet stream 2500 FT below its core at right angles. While crossing, the outside temperature is increasing. The prevailing wind is

050 1571 Wind

from the left. from the right headwind. tailwind.

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26-An aircraft is flying through the polar front jet stream from south to north, beneath the core. How would the OAT change, in the northern hemisphere, during this portion of the flight?

050 1561 Wind

It remains constant. It first increases, then decreases. It decreases. It increases.

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27-The equatorial easterly jet is a jet stream that occurs:

050 1781 Wind

only in the summer of the northern hemisphere at approx. 45 000 FT during the whole year in the southern hemisphere during the whole year in the northern hemisphere only in the winter of the northern hemisphere at approx. 30 000 FT

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28-An aircraft is flying from south to north, above the polar front jet stream, at FL 400 in the southern hemisphere. What change, if any, in temperature will be experienced ?

050 1566 Wind

It decreases and then increases. It stays the same. It increases. It decreases.

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29-A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform CC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

050 2547 Clouds and Fog

15000 - 35000 FT above the terrain 1500 - 7000 FT above the terrain 100 - 1500 FT above the terrain 7000 - 15000 FT above the terrain

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30-A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform SC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

050 2546 Clouds and Fog

1500 - 7000 FT above ground 15000 - 25000 FT above ground 7000 - 15000 FT above ground 100 - 1500 FT above ground

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31-When and where is an easterly jet stream likely to be encountered ?

050 10953 Wind

In summer from south-east Asia extending over southern India to central Africa. In summer from the Middle East extending over the southern part of the Mediterranean to southern Spain. Throughout the year to the south of the Azorian high. In winter along the Russian coast facing the Arctic ocean.

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32-Which jet stream is connected with a surface front system?

050 1581 Uncategorized Wind

The polar front jet stream The subtropical jet stream The equatorial jet stream The easterly jet stream

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33-The average height of the tropopause at 50°N is about

050 3722 The Atmosphere

8 km 16 km 11 km 14 km

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34-A plain in Western Europe with an average elevation of 500 m (1600 FT) above sea level is covered with a uniform AC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

050 1222 Clouds and Fog

100 - 1500 FT above the terrain. 15000 - 25000 FT above the terrain. 7000 - 15000 FT above the terrain. 1500 - 7000 FT above the terrain.

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35-What is the common height of radiation inversion?

050 1

2000 ft 2000-4000 ft 3000 ft A few hundred ft

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36-In which zone of a polar front jet stream is the strongest CAT to be expected ?

050 13463 Uncategorized Wind

Exactly in the centre of the core. On the tropical air side of the core. About 12000 FT above the core. On the polar air side of the core.

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37-The length, width and depth of a typical mid-latitude jet stream are respectively

050 10922 Wind

1000 nautical miles, 150 nautical miles, 10000 feet 200 nautical miles, 5 nautical miles, 10000 feet 1000 nautical miles, 5000 to 8000 feet, 30000 feet 1000 nautical miles, 150 nautical miles, 30000 feet

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38-The most likely place to encounter clear air turbulence associated with a jet stream is

050 10924 Uncategorized Wind

5000 feet or more above the core on the tropical side of the core close to the core on the side facing the polar air well below the core

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39-Where is the wind speed of a polar front jet stream normally at its strongest?

050 16307 Wind

In the area between a trough and a ridge. In the area where the jet stream is curving around an anticyclone. In the area of a trough. In the area where the jet stream is curving around a depression.

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40-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

050 15081 Wind

With colder air ahead when looking downwind, the wind speed increases with height, while with the colder air behind the wind speed decreases with height. With colder air to the left when looking upwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height. With colder air behind when looking downwind, the windspeed increases with height, while with the colder air ahead the windspeed decreases with height. With colder air to the left when looking downwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height.

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41-Which jet stream blows all year round, over the northern hemisphere?

050 1564 Wind

The arctic jet stream. The equatorial jet stream. The polar night jet stream. The subtropical jet stream.

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42-In which zone of a polar front jet stream is the strongest CAT to be expected ?

050 1983 Wind Uncategorized

On the tropical air side of the core. About 12000 FT above the core. On the polar air side of the core. Exactly in the centre of the core.

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43-What is the average vertical extent of radiation fog?

050 1259 Clouds and Fog

10 000 FT. 500 FT. 5 000 FT. 2 000 FT.

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44-What is the approximate height of the tropopause between Munich and Helsinki?

050 1679 CAT

FL 340 FL 300 FL 390 FL 280

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45-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

050 10959 Wind

Looking downstream, the area to the right of the core. In the core of the jet stream. Above the core in the boundary between warm and cold air. Looking downstream, the area to the left of the core.

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46-Where is the projection of the polar front jet stream on the surface most likely to be found in relation to the cold and warm fronts of a depression?

050 12801

50 to 200 NM behind the cold front and 300 to 450 NM ahead of the warm front 300 to 450 NM behind the cold front and 50 to 200 NM ahead of the warm front Up to 100 NM either side of the cold front and up to 200 NM either side of the warm front Up to 200 NM either side of the cold front and up to 200 NM either side of the warm front

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47-In relation to the polar front jet stream, the greatest rate of wind shear is most likely to occur

050 10896 Wind

5000 FT or more above the core on the tropical side of the core well below the core close to the core on the polar side

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48-On which of the following aviation weather charts can a pilot most easily find a jet stream?

050 15076 Meteorological Information

Wind / temperature chart. Significant weather chart. Upper air chart. Surface chart.

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49-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

050 2047 Wind

In the core of the jet stream. Above the core in the boundary between warm and cold air. Looking downstream, the area to the right of the core. Looking downstream, the area to the left of the core.

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50-During the winter months in mid-latitudes in the northern hemisphere, the polar front jet stream moves toward the

050 2173 Wind

north and speed increases south and speed decreases north and speed decreases south and speed increases

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51-On a particular day part of a polar front jet stream runs from north to south in the northern hemisphere. This means that

050 4174 Wind

above the core of the jet the horizontal temperature gradient runs from north to south the polar air is on the eastern side and above the core of the jet the polar air is below and to the east of the core of the jet below the core of the jet the horizontal temperature gradient runs from north to south

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52-What is the average wind forecast for FL 300 between Edinburgh and Madrid?

050 13578 CAT

240/25 300/45 180/20 280/30

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53-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

050 10868 Climatology

10°N. 80°N. 30°N. 50°N.

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54-What average geographical latitude is assumed for the zone of the subtropical high?

050 15456 Pressure Systems

30°N 10°N 0° (equator) 50°N

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55-What is the average temperature at FL 160 between Oslo and Paris ?

050 1694 CAT

-15°C -23°C -25°C -19°C

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56-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

050 2042 Climatology

30°N. 80°N. 50°N. 10°N.

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57-In what height range and at what intensity could you encounter turbulence in CAT area n°2?

050 1682 CAT

From FL 220 to FL 400, moderate From FL 240 to FL 370, light From FL 250 to FL 320, moderate From below FL 130 to FL 270, light

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58-The arctic front is the boundary between:

050 13814 Air Masses and Fronts

polar air and arctic air. arctic air and tropical air. polar air and tropical air. cold polar air and less cold polar air.

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59-What is the average temperature difference from ISA at FL 300 between Edinburgh and Madrid?

050 13577 CAT

+12°C -12°C -2°C +2°C

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60-What is the average temperature difference from ISA at FL 390 between Madrid and Dhahran?

050 13691 CAT

+2°C -5°C -1°C +5°C

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61-At which position is the development of thunderstorms most likely, and what is the maximum height of the CB clouds at 00 UTC?

050 1684 CAT

Position B, FL 270. Position D, FL 290. Position A, FL 200. Position C, FL 200.

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62-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

050 2010 Wind Uncategorized

Since the result of such readings seems impossible, you will have the instruments tested after landing. This phenomenon does not surprise you at all, since normally no large temperature differences are possible at these heights. You assume the front associated with the jet stream to be very weak with practically no temperature difference between the two air masses. This phenomenon is absolutely normal as you are crossing the jet core.

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63-An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jet stream is forecast to be at FL 310. The shortest way to get out of this turbulence is by:

050 2171 Flight Hazards

Climbing Descending Maintain FL 270 Turn right

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64-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

050 10850 Wind

With an easterly wave. With a ITCZ. With a cold front. With a warm front.

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65-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

050 1985 Wind Uncategorized

With an easterly wave. With a cold front. With a warm front. With a ITCZ.

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66-If Paris reports a wind of 30012KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

050 2537 Wind

27020KT 30025KT 33025KT 23030KT

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67-If Paris reports a wind of 16020KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground?

050 2536 Wind

17015KT 16030KT 19040KT 14020KT

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68-If Paris reports a wind of 08010KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

050 2535 Wind

11020KT 08005KT 08015KT 05020KT

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69-If Paris reports a wind of 19015KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

050 2534 Wind

16020KT 22010KT 25025KT 22030KT

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70-What jet streams are likely to be crossed during a flight from Stockholm to Rio de Janeiro (23°S) at FL 350 in July ?

050 2044 Wind

One subtropical jet stream. A polar front jet stream followed by a subtropical jet stream and later, a second polar front jet stream. A subtropical jet stream followed by a polar front jet stream. A polar front jet stream followed by one or two subtropical jet streams.

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71-During July flights from Bangkok (13°N - 100°E) to Karachi (25°N - 67°E) experience an average tailwind component of 22 kt. In January the same flights, also operating at FL 370, have an average headwind of 50 kt. What is the reason for this difference?

050 2043 Climatology

The wind components correspond to the seasonal change of the regional wind system. The flights during the summer encountered, by chance, very unusual, favourable conditions. The flights happen to be in the area of the polar front jet stream. The flights in January encountered, by chance, very unusual, adverse wind conditions.

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72-Steaming fog (arctic sea smoke) occurs in air

050 4089 Clouds and Fog

with cold mass properties that is stable with warm mass properties that is absolutely stable

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73-Given: Altimeter setting: 1013.2 hPa Altimeter reading: 5000 ft Outside air temperature at 5000 ft: +5°C QFE: 958 hPa QNH: 983 hPa What is the true height of the aeroplane above the aerodrome?

050 13640 Uncategorized Wind

4865 FT 4325 FT 3515 FT 4190 FT

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74-In the METAR shown below, the cloud base has been omitted. At what height might you expect the cloud base to be if cumulus cloud was present? 28005KT 9999 SCT??? 12/05 Q1020 NOSIG =

050 1

SCT095 SCT082 SCT280 SCT028

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75-The average thickness of the troposphere varies with

050 2127 Uncategorized Wind

longitude latitude the wind rotation of the earth

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76-The mean height of the tropical tropopause is

050 15451 The Atmosphere

49000 ft 44000 ft 59000 ft 54000 ft

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77-The rate of fall of pressure with height is:

050 1

Constant Greater in warm air than in cold air Greater in cold air than in warm air Inversely proportional to temperature

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78-The pressure change with height of the atmosphere:

050 1

decreases at a decreasing rate as height increases. decreases at a constant rate as height increases. decreases at a constant rate up to the tropopause and then remains constant. decreases at an increasing rate as height increases.

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79-The rate of fall of pressure with height is?

050 1

Inversely proportional to temperature. Greater in warm air than cold air. Greater in cold air than in warm air. Constant

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80-You plan a flight over a mountain range at a true altitude of 15000 FT/AMSL. The air is on an average 15°C colder than ISA, the pressure at sea level is 1003 hPa. What approximate indication should the altimeter (setting 1013.2 hPa) read?

050 1548 The Atmosphere

15690 FT. 16230 FT. 13830 FT. 14370 FT.

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81-You are flying over the sea at FL 250 and measure an outside temperature of -50°C. The pressure at sea level is 1023 hPa. What is your approximate true altitude calculated using normal vertical change in temperature with increase in height?

050 12823 Uncategorized Wind

23230 FT/AMSL. 26230 FT/AMSL. 23770 FT/AMSL. 26770 FT/AMSL.

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82-What is the height of the lowest cloud forecast for Bangkok at ETA 1400 UTC ? TAF VTBD 271800Z 280024 VRB05KT 1200 BR TEMPO 0002 4000 BECMG 0205 9999 SCT015 BKN100 TEMPO 1118 04010G20KT 5000 TSRA SCT009 BKN014 BKN018CB BECMG 2024 6000=

050 12859 Meteorological Information

1200 feet 1800 feet 900 feet 1400 feet

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83-During an ILS approach on RWY 33, a northwesterly wind is blowing parallel to the runway. Its speed is decreasing rapidly with height while its change in direction is negligible. What has the pilot to be aware of with respect to wind shear and glide path (no autopilot engaged)?

050 15084 Flight Hazards

Without the pilot's intervention, the aircraft is likely to fly below the designated glide path with increasing deviation from it. Without the pilot's intervention, the aircraft is likely to fly below the designated glide path with decreasing deviation from it. A deviation from the glide path will not have to be considered since there is no significant wind shear to be expected. Without the pilot's intervention, the aircraft is likely to fly above the designated glide path with increasing deviation from it.

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84-During an ILS approach on RWY 33, a northwesterly wind is blowing parallel to the runway. Its speed is increasing rapidly with height while its change in direction is negligible. What has the pilot to be aware of with respect to wind shear and glide path (no autopilot engaged)?

050 15083 Flight Hazards

Without the pilot's intervention, the aircraft is likely to fly above the designated glide path with increasing deviation from it. Without the pilot's intervention, the aircraft is likely to fly above the designated glide path with decreasing deviation from it. A deviation from the glide path will not have to be considered since there is no significant wind shear to be expected. Without the pilot's intervention, the aircraft is likely to fly below the designated glide path with increasing deviation from it.

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85-Given:
Altimeter setting: 1013.2 hPa
Altimeter reading: 5000 ft
Outside air temperature at 5000 ft: +5°C
QFE: 958 hPa
QNH: 983 hPa
What is the true height of the aircraft above the aerodrome?

050 15440 The Atmosphere

4865 ft 4190 ft 3515 ft 4325 ft

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86-The average slope of a cold front is in the order of:

050 13812 Air Masses and Fronts

1:80 1:10 1:800 1:500

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87-The height of the lifting condensation level is determined by

050 4050 Thermodynamics

temperature at surface and air pressure wet adiabatic lapse rate and dewpoint at the surface wind and dewpoint at the surface temperature and dewpoint at the surface

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88-A layer in which the temperature increases with height is

050 4166 Thermodynamics

absolutely unstable neutral conditionally unstable absolutely stable

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89-The height and the temperature of the tropopause are respectively in the order of

050 3723 The Atmosphere

16 km and -40°C over the poles 8 km and - 75°C over the poles 8 km and -40°C over the equator 16 km and -75°C over the equator

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90-Which of the following conditions is most likely to lead to the formation of steam fog (arctic smoke)?

050 1592 Clouds and Fog

The sea is warmed by strong radiation from the sun Cold air moving over warm water The coastal region of the sea cools at night Warm air moving over cold water

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91-You intend to overfly a mountain range. The recommended minimum flight altitude is, according to the aviation chart, 15000 FT/AMSL. The air mass that you will fly through is on average 15°C warmer than the standard atmosphere. The altimeter is set to QNH (1023 hPa). At what altimeter reading will you effectively be at the recommended minimum flight altitude?

050 1556 The Atmosphere

15900 FT. 13830 FT. 14100 FT. 14370 FT.

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92-You are planning to fly across a mountain range. The chart recommends a minimum altitude of 12000 feet above mean sea level. The air mass you will be flying through is an average 10°C warmer than ISA. Your altimeter is set to 1023 hPa (QNH of a nearby airport at nearly sea level). What altitude will the altimeter show when you have reached the recommended minimum altitude?

050 2522 The Atmosphere

12210 feet 11520 feet 11790 feet 11250 feet

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93-Below is the forecast for the destination of a flight whose ETA is 2030 UTC.
TAF YUDO 120600Z 121206 17010KT 3000 SCT005 BECMG 1820 VRB03KT BCFG SKC BECMG 2022 0300 FG VV002=
What can be said about the destination airport at 2030 UTC if CAT II ILS minima 350 m RVR, 100 ft Decision Height are being considered?

050 16706 Meteorological Information

Still open because the decrease of the visibility below the CAT II minima will be a little bit later than 2030 UTC. Has to be considered as closed. Still open until 2200 UTC because the weather change is not completed before 2200 UTC. Open the whole night because 300 m of visibility corresponds to at least 900 m RVR.

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94-In the mid-latitudes the stratosphere extends on an average from

050 5542 The Atmosphere

50 to 85 km 11 to 50 km 85 to more than 200 km 0 to 11 km

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95-The average position of the polar front in the northern hemisphere is:

050 13813 Wind Uncategorized

located near 65°N during the whole year. more southerly during the summer than during the winter. located near 55°N during the whole year. more southerly during the winter than during the summer.

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96-The average position of the polar front in the northern hemisphere is:

050 14881 Uncategorized Wind

located near 55°N during the whole year. more southerly during the summer than during the winter. located near 65°N during the whole year. more southerly during the winter than during the summer.

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97-In the mid-latitudes the stratosphere extends on an average from

050 1

0 to 11 km 85 to more than 200 km 11 to 50 km 50 to 85 km

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98-The mean height of the tropical zero degree isotherm is

050 15266 Climatology

12000 ft 19000 ft 16000 ft 14000 ft

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99-A layer in which the temperature remains constant with height is

050 4165 Thermodynamics

neutral conditionally unstable absolutely stable unstable

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100-A layer is absolutely unstable if the temperature decrease with height is

050 4164 Thermodynamics

less than 0.65°C per 100m more than 1°C per 100m 0.65°C per 100m between 1°C per 100m and 0.65°C per 100m

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1-What is the average height of the arctic jet stream core?

2-What is the average height of the jet core within a polar front jet stream?

3-At what flight level is the jet stream core that is situated over northern Scandinavia ?

4-What is the approximate ratio between height and width for a jet stream cross section?

5-The core of the polar front jet stream is usually located in the

6-At which height and at what time of the year can an aircraft be affected by the equatorial jet stream?

7-While crossing a jet stream at right angles in Western Europe (3000 FT below its core) and OAT is decreasing, what would be the prevailing wind?

8-Where, as a general rule, is the core of the polar front jet stream to be found?

9-Where, as a general rule, is the core of the polar front jet stream to be found?

10-Which of the following statements concerning the core of a polar front jet stream is correct ?

11-What is necessary for the development of a polar front jet stream?

12-What is the minimum speed for a wind to be classified as a jet stream?

13-What, approximately, is the average height of the tropopause over the equator ?

14-What is the average height of the Tropopause above Poles?

15-What, apprroximately is the average height of the tropopause over the equator?

16-A wind speed of 350 kt within a jet stream core should be world-wide regarded as:

17-At approximately what flight level is the subtropical jet stream found?

18-What is the main cause for the formation of a polar front jet stream?

19-What name is given to the jet stream lying across India (A) ?

20-What name is given to the jet stream lying over Scandinavia (C)?

21-What name is given to the jet stream lying over North Africa (B) ?

22-From summer to winter the average geographic position of the polar front jet stream over the North Atlantic moves

23-What is the most significant difference between an equatorial jet stream and all the other jet streams ?

24-Flight Munich to London. What is the direction and maximum speed of the jet stream affecting the route between Munich and London ?

25-An aircraft over Western Europe is crossing a jet stream 2500 FT below its core at right angles. While crossing, the outside temperature is increasing. The prevailing wind is

26-An aircraft is flying through the polar front jet stream from south to north, beneath the core. How would the OAT change, in the northern hemisphere, during this portion of the flight?

27-The equatorial easterly jet is a jet stream that occurs:

28-An aircraft is flying from south to north, above the polar front jet stream, at FL 400 in the southern hemisphere. What change, if any, in temperature will be experienced ?

29-A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform CC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

30-A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform SC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

31-When and where is an easterly jet stream likely to be encountered ?

32-Which jet stream is connected with a surface front system?

33-The average height of the tropopause at 50°N is about

34-A plain in Western Europe with an average elevation of 500 m (1600 FT) above sea level is covered with a uniform AC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?

35-What is the common height of radiation inversion?

36-In which zone of a polar front jet stream is the strongest CAT to be expected ?

37-The length, width and depth of a typical mid-latitude jet stream are respectively

38-The most likely place to encounter clear air turbulence associated with a jet stream is

39-Where is the wind speed of a polar front jet stream normally at its strongest?

40-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

41-Which jet stream blows all year round, over the northern hemisphere?

42-In which zone of a polar front jet stream is the strongest CAT to be expected ?

43-What is the average vertical extent of radiation fog?

44-What is the approximate height of the tropopause between Munich and Helsinki?

45-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

46-Where is the projection of the polar front jet stream on the surface most likely to be found in relation to the cold and warm fronts of a depression?

47-In relation to the polar front jet stream, the greatest rate of wind shear is most likely to occur

48-On which of the following aviation weather charts can a pilot most easily find a jet stream?

49-Which area of a polar front jet stream in the northern hemisphere has the highest probability of turbulence?

50-During the winter months in mid-latitudes in the northern hemisphere, the polar front jet stream moves toward the

51-On a particular day part of a polar front jet stream runs from north to south in the northern hemisphere. This means that

52-What is the average wind forecast for FL 300 between Edinburgh and Madrid?

53-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

54-What average geographical latitude is assumed for the zone of the subtropical high?

55-What is the average temperature at FL 160 between Oslo and Paris ?

56-At about what geographical latitude as average is assumed for the zone of prevailing westerlies?

57-In what height range and at what intensity could you encounter turbulence in CAT area n°2?

58-The arctic front is the boundary between:

59-What is the average temperature difference from ISA at FL 300 between Edinburgh and Madrid?

60-What is the average temperature difference from ISA at FL 390 between Madrid and Dhahran?

61-At which position is the development of thunderstorms most likely, and what is the maximum height of the CB clouds at 00 UTC?

62-You cross a jet stream in horizontal flight at approximately right angles. While crossing, in spite of a strong wind of 120 kt, you notice the temperature barely changes. Which of the following statements is correct ?

63-An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jet stream is forecast to be at FL 310. The shortest way to get out of this turbulence is by:

64-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).900hPa 220/20kt 800hPa 220/25kt 700hPa 230/35kt 500hPa 260/60kt 400hPa 280/85kt300hPa 300/100kt250hPa 310/120kt 200hPa 310/80ktWhich system is the jet stream associated with?

65-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).900hPa 220/20kt 800hPa 220/25kt 700hPa 230/35kt 500hPa 260/60kt 400hPa 280/85kt300hPa 300/100kt250hPa 310/120kt 200hPa 310/80ktWhich system is the jet stream associated with?

66-If Paris reports a wind of 30012KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

67-If Paris reports a wind of 16020KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground?

68-If Paris reports a wind of 08010KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

69-If Paris reports a wind of 19015KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?

70-What jet streams are likely to be crossed during a flight from Stockholm to Rio de Janeiro (23°S) at FL 350 in July ?

71-During July flights from Bangkok (13°N - 100°E) to Karachi (25°N - 67°E) experience an average tailwind component of 22 kt. In January the same flights, also operating at FL 370, have an average headwind of 50 kt. What is the reason for this difference?

72-Steaming fog (arctic sea smoke) occurs in air

73-Given: Altimeter setting: 1013.2 hPa Altimeter reading: 5000 ft Outside air temperature at 5000 ft: +5°C QFE: 958 hPa QNH: 983 hPa What is the true height of the aeroplane above the aerodrome?

74-In the METAR shown below, the cloud base has been omitted. At what height might you expect the cloud base to be if cumulus cloud was present? 28005KT 9999 SCT??? 12/05 Q1020 NOSIG =

75-The average thickness of the troposphere varies with

76-The mean height of the tropical tropopause is

77-The rate of fall of pressure with height is:

78-The pressure change with height of the atmosphere:

64-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

65-A wind sounding in the region of a polar front jet stream gives the following windprofile (Northern hemisphere).
900hPa 220/20kt
800hPa 220/25kt
700hPa 230/35kt
500hPa 260/60kt
400hPa 280/85kt
300hPa 300/100kt
250hPa 310/120kt
200hPa 310/80kt
Which system is the jet stream associated with?

85-Given:
Altimeter setting: 1013.2 hPa
Altimeter reading: 5000 ft
Outside air temperature at 5000 ft: +5°C
QFE: 958 hPa
QNH: 983 hPa
What is the true height of the aircraft above the aerodrome?