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Exam simulation Meteorology ATPL - Airline Transport Pilot license

Exam simulation ATPL Meteorology 120 questions on 120 minutes

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1 - Whilst flying at FL 180 on the northern hemisphere an aircraft experiences right drift. What effect, if any, will this have on the aircraft's true altitude ?
2 - Which FL corresponds with the 200 hPa pressure level ?
3 - Which degree of aircraft turbulence is determined by the following ICAO description?'There may be moderate changes in aircraft attitude and/or altitude but the aircraft remains in positive control at all times. Usually, small variations in air speed. Changes in accelerometer readings of 0.5 to 1.0 g at the aircraft's centre of gravity. Occupants feel strain against seat belts. Loose objects move about. Food service and walking are difficult.'
4 - Absolute instability is said to exist whenever the environmental lapse rate
5 - With what type of cloud is 'DZ' precipitation most commonly associated?
6 - A microburst phenomenon can arise in the
7 - In what height range and at what intensity could you encounter turbulence in CAT area n°2?
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8 - A temperature of +15°C is recorded at an altitude of 500 metres above sea level. If the vertical temperature gradient is that of a standard atmosphere, what will the temperature be at the summit of a mountain, 2500 metres above sea level?
9 - Stratus formed by turbulence will occur when
10 - Fallstreaks or virga are:
11 - The length, width and height of a typical mid-latitude jet stream are respectively
12 - Where is the projection of the polar front jet on the surface stream most likely to be found in relation to the cold and warm fronts of a depression?
13 - At what degree of icing should ICAO's 'Change of course and/or altitude desirable' recommendation be followed?
14 - How does freezing rain develop?
15 - The transition from SW to NE monsoon in India occurs in
16 - When is the RVR reported at most airports?
17 - During periods of undisturbed radiation weather, overland, the
18 - Precipitation in the form of showers occurs from
19 - Which of the following are medium level clouds ?
20 - Which one of the following types of cloud is most likely to produce heavy precipitation ?
21 - Which of the following statements concerning trade winds is correct?
22 - Hoar frost forms on an aircraft as a result of
23 - If a saturated air mass descends down a slope its temperature increases at
24 - An aircraft is flying over the sea at FL 90
25 - If you are flying at FL 120 and the outside temperature is -2°C, at what altitude will the 'freezing level' be?
26 - Which FL corresponds with the 700 hPa pressure level ?
27 - Where, in central Europe, are the highest wind speeds to be found?
28 - Which of the following conditions are most favourable to the formation of mountain waves?
29 - Fair weather cumulus often is an indication of:
30 - Over Madrid, what intensity of turbulence and icing is forecast at FL 200 ?
31 - An aircraft is flying at FL 180 in the northern hemisphere with a crosswind from the left. Which of the following is correct concerning its true altitude ?
32 - Cold air pools
33 - What is the most likely cause of a lack of clouds at higher levels in a stationary high?
34 - What are the typical differences with regard to the temperature and humidity between an air mass with its origin in the Azores and an air mass with its origin over northern Russia ?
35 - The 0° C isotherm is forecast to be at FL 50. At what FL would you expect a temperature of-6° C?
36 - On a clear summer day, turbulence caused by solar heating is most pronounced:
37 - What is a characteristic of stable air?
38 - A Foehn wind occurs on the
39 - With what type of cloud is 'GR' precipitation most commonly associated?
40 - Where is a squall line to be expected?
41 - In the ICAO Standard Atmosphere the decrease in temperature with height below 11 km is
42 - When severe mountain waves are present, where would the area of most severe turbulence be located?
43 - The wind indicator for a weather observation receives the measured value from an anemometer. Where is this instrument placed?
44 - In a low pressure system the convergence at the surface is caused by
45 - Thunderstorms in exceptional circumstances can occur in a warm front if
46 - Which cloud type may indicate the presence of severe turbulence?
47 - Which of the following clouds are classified as medium level clouds in temperate regions?
48 - The most dangerous icing conditions are encountered in
49 - Geostrophic wind
50 - The greater the pressure gradient the
51 - You intend to overfly a mountain range. The recommended minimum flight altitude is, according to the aviation chart, 15000' 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?
52 - An aircraft maintains a constant indicated altitude of 6500 FT from A (600 FT/AMSL - QNH 1012 hPa) to B (930 FT/AMSL - QNH 977 hPa). Assuming that the altimeter subscale setting remains unchanged at 1012 hPa, the height of the aircraft above the surface at B will be
53 - At the surface the lifetime of a typical microburst and the diameter of the area affected by damaging winds are in the order of
54 - 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?
55 - Which of the following types of clouds are evidence of unstable air conditions?
56 - The morning following a clear, calm night when the temperature has dropped to the dewpoint, is likely to produce
57 - Why do tropical revolving storms tend to develop mostly in the western parts of the tropical oceans?
58 - What is the meaning of the expression 'FEW'?
59 - An air mass acquires its basic properties
60 - What weather conditions in the region of the Alps would you expect with Foehn from south?
61 - Surface temperature inversions are frequently generated by
62 - What positions are connected by contour lines on a weather chart?
63 - The final stage of a thunderstorm is reached when:
64 - The air mass affecting position "A" is most likely to be
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65 - On the approach, the surface temperature is given as -5°C. The freezing level is at 3000 FT/AGL. At 4000 FT/AGL, there is a solid cloud layer from which rain is falling.According to the weather briefing, the clouds are due to an inversion caused by warm air sliding up and over an inclined front. Would you expect icing?
66 - Which of the following weather reports could be, in accordance with the regulations, abbreviated to 'CAVOK'?
67 - The validity of a TAF is:
68 - The most dangerous low level wind shears are encountered
69 - An inversion is a layer of air which is:
70 - An air mass is unstable when
71 - What jet streams are likely to be crossed during a flight from Stockholm to Rio de Janeiro (23°S) at FL 350 in July ?
72 - The pressure system indicated when, in a vertical cross section, the lower situated pressure surfaces bulge upward and the higher situated pressure surfaces bulge downward is a:
73 - The presence of altocumulus castellanus indicates
74 - Vertical wind shear is
75 - At which pressure and temperature conditions may you safely assume that the minimum usable flight level at least lies at the same height, as the minimum safe altitude?
76 - Freezing fog consists of
77 - How are the air masses distributed in a cold occlusion ?
78 - You are flying at FL 130, and your true altitude is 12000 FT. What is the temperature deviation from that of the standard atmosphere at FL 130 (QNH 1013,2 hPa) ?
79 - From which direction do the trade winds blow, in the southern hemisphere?
80 - An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:
81 - The approximate inclined plane of a warm front is:
82 - Considering the route indicated from Recife to Dakar the mean height of the tropopause during January is approximately
83 - Where does polar continental air originate?
84 - Advection fog is most likely to form when
85 - What type of cloud is being described ?A generally grey cloud layer with fairly uniform base and uniform appearance, which may give drizzle or snow grains. When the sun is visible through the cloud, the outline is clearly discernible. Sometimes it appears in the form of ragged patches.
86 - At which altitude, at temperate latitudes, may hail be expected in connection with a CB?
87 - Which layer of the atmosphere contains more than 90 per cent of all water vapour?
88 - During the climb after take-off, the altimeter setting is adjusted at the transition altitude. If the local QNH is 966 hPa, what will happen to the altimeter reading during the resetting procedure?
89 - If the QNH at Locarno (200 metres above sea level) is 1025 hPa, what is the approximate QFE?
90 - In the mid-latitudes of the northern hemisphere the wind blows:
91 - After passing at right angles through a very active cold front in the direction of the cold air, what will you encounter at FL 50, in the northern hemisphere immediately after a marked change in temperature?
92 - Where are you likely to find the strongest winds close to the ground?
93 - In order to calculate QFE from QNH, which of the following must be known ?
94 - Isolated thunderstorms of a local nature are generally caused by
95 - You are flying at FL 300 where the outside air temperature is -57,5°C and the pressure at MSL is 1013,25 hPa. If you assume that the difference between the actual temperature and the temperature in the ISA is valid for the whole troposphere, then the true altitude is:
96 - What is the correct term for the descending air flow in a large high pressure area?
97 - Which types of clouds are typical evidence of stable air conditions?
98 - With the development of a thunderstorm, at what stage will there be only updraughts of air?
99 - Relative humidity at a given temperature is the relation between
100 - What is signified if an occlusion is described as 'cold'?
101 - 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 phenomena describe the approach of a
102 - The formation of morning fog before sunrise is possible if
103 - In which stage of the life cycle of a single thunderstorm cell occur both up- and downdrafts simultaneously?
104 - Which degree of turbulence is described by the following ICAO definition?"There may be moderate changes in aircraft attitude and/or altitude but the aircraft remains in positive control at all times. Usually, small variations in air speed. Changes in accelerometer readings of 0,5 to 1,0 g at the aircraft's center of gravity. Occupants feel strain against seat belts. Loose objects move about. Food service and walking are difficult.
105 - Which of the following statements concerning the core of a polar front jet stream is correct ?
106 - Supercooled droplets can be encountered
107 - Cumulus clouds are an indication for
108 - What conditions are most likely to lead to the formation of hill fog?
109 - A parcel of rising air stays unsaturated. Which of the following statements is correct?
110 - What are the images of satellites provided daily by the Weather Service used for?
111 - In mature Cb's the probability of severe icing, according to meteorological rules, is greatest in the following temperature range:
112 - The polar front is the boundary between:
113 - The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?
114 - What is the main cause for the formation of a polar front jet stream?
115 - Hoar frost is most likely to form when
116 - In an unstable layer there are cumuliform clouds. The vertical extent of these clouds depends on the
117 - Which of the following is a common cause of ground or surface temperature inversion ?
118 - If the QFE, QNH and QFF of an airport have the same value,
119 - In case of fronts, what cloud formation is most likely to occur at low levels when a warm air mass overrides a cold air mass?
120 - Which of the following is true of a land breeze?
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