Index - Atpl Campus

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1-If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

050 2252 The Atmosphere

+15°C -10°C -15°C +5°C

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2-If you are flying at FL 300 in an air mass that is 15°C warmer than a standard atmosphere, what is the outside temperature likely to be?

050 2251 The Atmosphere

-15°C -30°C -45°C -60°C

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3-What intensity and type of airframe icing is most likely to occur when flying at FL 170 in AS with the outside air temperature at -20°C?

050 10940 Flight Hazards

Light - rime Moderate - clear Moderate - hoar frost Severe - clear

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4-The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

050 2242 The Atmosphere

1009 hPa Less than 1009 hPa It is not possible to give a definitive answer More than 1009 hPa

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5-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

050 2241 The Atmosphere

More than 1016 hPa 1016 hPa It is not possible to give a definitive answer Less than 1016 hPa

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6-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?

050 2511 The Atmosphere

It is not possible to give a definitive answer Less than 1016 hPa More than 1016 hPa 1016 hPa

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7-You are flying at FL 160. Outside air temperature is -27°C, and the pressure at sea level is 1003 hPa. What is the true altitude?

050 2521 Wind Uncategorized

15100 ft 16360 ft 16920 ft 15620 ft

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8-You are flying at FL 200. Outside air temperature is -40°C, and the pressure at sea level is 1033 hPa. What is the true altitude?

050 2520 Wind Uncategorized

19310 ft 21770 ft 18290 ft 20630 ft

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9-You are flying at FL 160. Outside air temperature is -27°C, and the pressure at sea level is 1003 hPa. What is the true altitude?

050 12825 Uncategorized Wind

15100 ft 16920 ft 15620 ft 16360 ft

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10-You are flying at FL 200. Outside air temperature is -40°C, and the pressure at sea level is 1033 hPa. What is the true altitude?

050 12824 Wind Uncategorized

18290 ft 21770 ft 19310 ft 20630 ft

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11-If you are flying at FL 120 and the outside temperature is -2°C, at what altitude will the "freezing level" be?

050 2253 The Atmosphere

FL 110 FL 90 FL 150 FL 130

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12-The QNH at an airfield in California located 69 metres below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?

050 2245 The Atmosphere

It is not possible to give a definitive answer Less than 1018 hPa More than 1018 hPa 1018 hPa

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13-The QFF at an airfield in California located 69 metres below sea level is 1030 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

050 2246 The Atmosphere

1030 hPa It is not possible to give a definitive answer Less than 1030 hPa More than 1030 hPa

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14-You are flying with an outside air temperature of -12°C and a TAS of 250 kt at FL 150 through 8 oktas NS. What type and degree of icing is most probable?

050 226 Flight Hazards

In clouds pushed up against the mountains, moderate to severe clear ice. Over flat terrain, away from fronts, moderate to severe mixed ice. Over flat terrain, moderate hoar frost. In clouds pushed up against the mountains, moderate to severe mixed ice.

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15-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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16-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) ?

050 1557 The Atmosphere

ISA -20°C ISA +12°C ISA +20°C ISA +/-0°C

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17-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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18-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:

050 15416 The Atmosphere

30000 ft 27000 ft 31500 ft 28500 ft

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19-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?

050 1197 The Atmosphere

5°C colder than ISA. 5°C warmer than ISA. 10°C colder than ISA. 10°C warmer than ISA.

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20-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level

050 1

10°C colder than ISA. 10°C warmer than ISA. 5°C colder than ISA. 5°C warmer than ISA.

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21-At an altitude of 1650 feet AMSL, a temperature of +15°C is measured. What will the temperature be at an altitude of 8200 feet, if you consider the temperature gradient of the Standard Atmosphere?

050 1

-2°C 0°C +2°C +4°C

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22-It is raining and the outside air temperature is -5°C. What would you decide if you have a propeller to operate in non-icing conditions only?

050 1

I would not fly because I know that freezing rain causes rime ice. I would decide to fly. I would not fly because I know that freezing rain causes clear ice. I would fly because freezing rain improves aircraft performance.

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23-You have been flying for some time in dense layered cloud. The outside air temperature is -25°C. Which of the following statements is true?

050 2712 Flight Hazards

In a dense layered cloud icing is unlikely also at an outside air temperature of -5°C If you do not have weather radar on board there is no need to worry, as CB is unlikely to form in such cloud Severe airframe icing is unlikely under these conditions Severe airframe icing is quite likely under these conditions

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24-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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25-You are flying at a constant indicated altitude with the QNH of 1015 set within the subscale and you notice the outside air temperature has been falling constantly. What can you expect to have happened to your true altitude?

050 1

The true altitude will have decreased. The true altitude will have remained the same. The true altitude will have increased. The true altitude will have increased then decreased.

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26-The temperature at FL 140 is -12°C. What will the temperature be at FL 110 if the ICAO standard lapse rate is applied ?

050 65 The Atmosphere

-9°C. -15°C. -18°C. -6°C.

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27-The temperature at FL 80 is +6°C. What will the temperature be at FL 130 if the ICAO standard lapse rate is applied ?

050 2498 The Atmosphere

+2°C -6°C 0°C -4°C

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28-The temperature at FL 160 is -22°C. What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ?

050 2500 The Atmosphere

0°C +4°C -4°C -8°C

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29-The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied ?

050 2499 The Atmosphere

+3°C 0°C -3°C +7°C

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30-You are at FL120 with an outside air temperature is -2°C. Where would you find the freezing level?

050 1

FL100 FL110 FL090 FL140

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31-What is the lowest temperature in standard atmosphere?

050 1

(-54,5 C) (-50,5 C) (-63,5 C) (-56,5 C)

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32-The 0°C isotherm is forecast to be at FL 50. At what FL would you expect a temperature of -6°C?

050 1

FL 100 FL 20 FL 80 FL 110

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33-An aircraft is flying over the sea at FL 100, with a true altitude of 10000 feet; local QNH is 1003 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

050 2260 The Atmosphere

Its average temperature is about ISA There is insufficient information to come to any conclusion It is colder than ISA It is warmer than ISA

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34-The 0° isotherm is forecast to be at FL 50. At what FL would you expect a temperature of -6° C?

050 1576 The Atmosphere

FL 110 FL 100 FL 20 FL 80

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35-The QNH of an airport at sea level is 983 hPa and the temperature deviation from ISA is -15°C below FL 100. What is the true altitude of FL 100?

050 1316 The Atmosphere

8640 ft 11460 ft 9740 ft 10160 ft

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36-The temperature at 3000 ft. above mean sea level is forecast to be 3°C. What is the deviation from ICAO Standard Atmosphere?

050 1

ISA +6 ISA -6 ISA -7 ISA +5

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37-At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350 ?

050 19 The Atmosphere

-50°C. -58°C. -54°C. -56,5°C.

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38-The air mass affecting position "C" is most likely to be

050 13623 Uncategorized Wind

Continental polar. Maritime tropical. Maritime polar. Continental tropical.

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39-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

050 4022 Thermodynamics

absolutely stable conditionally stable absolutely unstable conditionally unstable

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40-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

050 1

conditionally unstable conditionally stable absolutely stable absolutely unstable

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41-Which type of fog is likely to form when air having temperature of 15°C and dew point of 12°C blows at 10 knots over a sea surface having temperatures of 5°C ?

050 2175 Clouds and Fog

Radiation fog Frontal fog Steam fog Advection fog

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42-What degree of turbulence, if any, is likely to be encountered while flying through a cold front in the summer over Central Europe at FL 100?

050 1251 Wind

Moderate turbulence in NS cloud. Severe turbulence in CB cloud. Light turbulence in ST cloud. Light turbulence in CB cloud.

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43-At FL 180, the air temperature is -35°C. The air density at this level is:

050 1

Greater than the density of the ISA atmosphere at FL 180. Equal to the density of the ISA atmosphere at FL 180. Unable to be determined without knowing the QNH. Less than the density of the ISA atmosphere at FL 180.

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44-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?

050 2501 The Atmosphere

+2°C 0°C -2°C +4°C

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45-In the southern hemisphere what wind effect would you expect when flying from a high pressure area towards a low pressure area at FL 100?

050 1250 Wind

Tailwind with no drift. Headwind with no drift. Wind from the left. Wind from the right.

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46-You are flying FL100 in an airmass which is 15°C colder than ISA, local QNH 983. What would the true altitude be?

050 1

11.410 ft 10.210 ft 8.590 ft 10.000 ft

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47-What is, approximately, the temperature at 20000 FT in the ICAO Standard Atmosphere?

050 12850 The Atmosphere

-15°C -30°C -20°C -25°C

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48-If atmospheric conditions exist such that the temperature deviation is ISA +10°C in the lower troposphere up to 18000 FT, what is the actual layer thickness between FL 60 and FL 120 ?

050 66 The Atmosphere

6000 FT. 5760 FT. 6240 FT. 5900 FT.

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49-What intensity and type of airframe icing is most likely to occur when aircraft descend rapidly from FL 320 (temp. -45°C) to FL 60 in warm, moist clear air?

050 10939 Flight Hazards

Nil ice Moderate opaque rime Light opaque rime and light clear ice Light or moderate hoar frost

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50-In an air mass with no clouds the surface temperature is 15°C and the temperature at 1000 m/AGL is 13°C. This layer of air is:

050 2125 The Atmosphere

conditionally unstable a layer of heavy turbulence stable unstable

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51-If in a 100 m thick layer the temperature at the bottom of the layer is 10°C and at the top of the layer is 8°C then this layer is

050 4168 Thermodynamics

neutral absolutely unstable absolutely stable conditionally unstable

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52-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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53-An aircraft is flying over the sea at FL 120, with a true altitude of 12000 feet; local QNH is 1013 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

050 2259 The Atmosphere

It is colder than ISA There is insufficient information to come to any conclusion Its average temperature is the same as ISA It is warmer than ISA

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54-An aircraft is flying over the sea at FL 90; the true altitude is 9100 feet; local QNH is unknown. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

050 2258 The Atmosphere

There is insufficient information to make any assumption Its average temperature is the same as ISA It is warmer than ISA It is colder than ISA

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55-In still air the temperature decreases at an average of 1.2°C per 100 m increase in altitude. This temperature change is called:

050 4143 The Atmosphere

saturated adiabatic lapse rate Environmental lapse rate normal lapse rate dry adiabatic lapse rate

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56-A vertical spacing of 1000 FT is the standard required separation between two FL. Under conditions of cold air advection (ISA -15°C), what would the true vertical separation be?

050 1578 The Atmosphere

Less than 1000 FT Without QNH information, it can not be determined It remains 1000 FT More than 1000 FT

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57-Temperature decreases with altitude in standard atmosphere. Regarding this change in temperature, density should increase with altitude but it decreases. What is the reason?

050 1

The increase in pressure with altitude decreases the density. The temperature has no effect on air density. The decrease in pressure being more dominant than the decrease in temperature, causes the density to decrease. Scientist continue their research on this subject

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58-The temperature at 10000ft in the ICAO Standard Atmosphere

050 1

0 C -20 C -35 C -5 C

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59-The temperature at 2000ft AMSL is forecast to be +5°C: compared to the International Standard Atmosphere (ISA) this is:

050 1

ISA -6. lSA +6. ISA -4. ISA +5.

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60-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

050 4133 Thermodynamics

1.5°C 0.6°C 0.35°C 1°C

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61-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

050 1

0.6°C 1.5°C 0.35°C 1°C

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62-After passing at right angles through a very active cold front in the direction towards the cold air, what will you encounter at FL 50, in the northern hemisphere immediately after a marked change in temperature?

050 1278 Air Masses and Fronts

An increase in tailwind. A decrease in tailwind. A veering in the wind direction. A backing in the wind direction.

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63-If you are flying from Zurich to London at FL 240, what conditions can you expect at cruising altitude?

050 2698 CAT

CAT for the first half of the flight Flight largely in cloud; no turbulence Moderate or severe turbulence and icing Prolonged severe turbulence and icing throughout the flight

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64-During a flight over the sea at FL 135, the true altitude is 13500 feet; local QNH is 1019 hPa. What information, if any, can be gained about the air mass in which the aircraft is flying?

050 2257 The Atmosphere

Its average temperature is the same as ISA It is colder than ISA There is insufficient information to make any assumption It is warmer than ISA

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65-What intensity and type of aircraft icing is likely to occur at FL 100 in a thunderstorm, with the freezing level at 7000 FT?

050 13603 Flight Hazards

Moderate to severe icing due to rime ice. Light icing due to clear ice. Moderate to severe icing due to clear ice. Light icing due to rime ice.

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66-What is the temperature deviation in degrees Celsius, from the ICAO Standard Atmosphere overhead Frankfurt ?

050 1695 Meteorological Information

ISA -2°C ISA -13°C ISA +2°C ISA +13°C

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67-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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68-The temperature lapse rate of the ICAO standard atmosphere in the troposphere is:

050 13607 The Atmosphere

3°C/1000 FT 2°C/1000 FT 2,5°C/1000 FT 6,5°C/1000 FT

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69-The temperature at 10000 FT in the ICAO Standard Atmosphere is:

050 3719 The Atmosphere

-20°C -35°C 0°C -5°C

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70-The lowest assumed temperature in the International Standard Atmosphere (ISA) is :

050 1

-44.7°C -100°C -273°C -56.5°C

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71-What types of cloud will you see flying at FL 50 towards a warm front?

050 1095 Air Masses and Fronts

At some 800 km CS, later AS, and at some 300 km NS until the front At some 500 km AS, later CS and at some 80 km before the front CB At some 500 km from the front, groups of CB, later at some 250 km thickening AS Mainly clear skies. At some 100 km from the front NS begins

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72-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?

050 1266 Air Masses and Fronts

Altostratus. Cumulonimbus. Cumulus. Nimbostratus.

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73-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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74-After a prolonged VMC descent in very cold air, you penetrate a humid air mass. What type of icing will you encounter?

050 10854 Flight Hazards

Smooth icing Rime ice Hoar frost Clear ice

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75-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 ?

050 1253 Air Masses and Fronts

The air of the Azores is warmer and more humid than the North-Russian air. The North-Russian air is warmer and dryer than the air of the Azores. The North-Russian air is colder and more humid than the air of the Azores. The air of the Azores is warmer and dryer than the North-Russian air.

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76-What is the density at sea level in the International Standard Atmosphere?

050 1

12.25g/m3 1.225g/m3 1225g/m3 122.5g/m3

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77-During the late afternoon an air temperature of +12°C and a dew point of +5°C were measured. What temperature change must at least occur during the night in order to induce saturation?

050 1209 Thermodynamics

It must decrease by 5°C. It must decrease to +6°C. It must decrease to +7°C. It must decrease to +5°C.

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78-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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79-In the lower levels of the atmosphere when the environmental lapse rate is greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate - the air mass is described as being

050 10899 Thermodynamics

absolutely unstable unstable conditionally unstable stable

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80-In the month of August you prepare a flight (cruising level FL 370) from Bombay (19°N - 73°E) to Bangkok (13°N - 100°E). What wind conditions can you expect?

050 1988 Wind

Light winds diagonal to the route. Tailwinds. Strong northerly winds. Headwinds.

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81-Which constant pressure altitude chart is standard for FL 100?

050 2570 Meteorological Information

850 hPa 300 hPa 500 hPa 700 hPa

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82-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

050 10921 The Atmosphere

2°C per 1000 FT up to 36090 FT and will then increase at 0,3°C per 1000 FT up to 65617 FT 1,98°C per 1000 FT up to 36090 FT and will then rise at 0,3°C per 1000 FT up to 65617 FT when it will remain constant 1,98°C per 1000 FT up to 36090 FT after which it remains constant to 65617 FT 2°C per 1000 FT up to 65617 FT after which it will remain constant to 104987 FT

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83-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of

050 13730 The Atmosphere

2°C per 1000 FT up to 36090 FT and will then increase at 0,3°C per 1000 FT up to 65617 FT 1,98°C per 1000 FT up to 36090 FT after which it remains constant to 65617 FT 2°C per 1000 FT up to 65617 FT after which it will remain constant to 104987 FT 1,98°C per 1000 FT up to 36090 FT and will then rise at 0,3°C per 1000 FT up to 65617 FT when it will remain constant

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84-Which of the following combinations of pressure and temperature is correct in the ICAO standard atmosphere?

050 15486 The Atmosphere

700 hPa -8.4°C 300 hPa -50.5°C 200 hPa -62.3°C 500 hPa -21.1°C

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85-The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about

050 1778 Meteorological Information

30 000 FT 39 000 FT 32 000 FT 34 000 FT

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86-In the ICAO Standard Atmosphere the decrease in temperature with height below 11 km is

050 3731 The Atmosphere

0.6°C per 100m 1°C per 100m 0.5°C per 100m 0.65°C per 100m

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87-The air mass affecting position "R" is most likely to be

050 13620

Continental tropical. Maritime tropical. Maritime polar. Continental polar.

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88-The air mass affecting position "A" is most likely to be

050 13614 Wind Uncategorized

Maritime polar. Continental tropical. Maritime tropical. Continental polar.

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89-The air mass affecting position "P" is most likely to be

050 13621 Air Masses and Fronts

Continental polar. Maritime tropical. Maritime polar. Continental tropical.

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90-The air mass affecting position "S" is most likely to be

050 13632 Meteorological Information

Maritime tropical and stable. Continental tropical and unstable. Maritime polar and stable. Maritime polar and unstable.

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91-The air mass at position "X" is most likely to be

050 13567 Air Masses and Fronts

Continental tropical. Maritime tropical. Continental polar. Maritime polar.

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92-What would you most likely expect in a microburst?

050 1

Inversion Updraft Windshear Upgust

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93-What is the most likely temperature at the tropical tropopause?

050 1248 The Atmosphere

-35°C. -75°C. -25°C. -55°C.

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94-At FL 180, the air temperature is -35°C.The air density at this level is:

050 13643 The Atmosphere

Unable to be determined without knowing the QNH. Less than the density of the ISA at FL 180. Equal to the density of the ISA at FL 180. Greater than the density of the ISA at FL 180.

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95-At FL 180, the air temperature is -35°C.The air density at this level is:

050 130 The Atmosphere

Equal to the density of the ISA at FL 180. Unable to be determined without knowing the QNH. Less than the density of the ISA at FL 180. Greater than the density of the ISA at FL 180.

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96-The actual change of the temperature in the air mass with height is known as:

050 1

The actual lapse rate (LR) The temperature curve The environmental lapse rate (ELR) The adiabatic lapse rate (ALR)

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97-The decrease in temperature, per 100 metres, in an unsaturated rising parcel of air is

050 4132 Thermodynamics

1°C 0.5°C 0.65°C 2°C

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98-What is the atmosphering pressure at sea level in the International Standard Atmosphere?

050 1

29.29 inch hg 1012.35 hpa 101.25 hpa 1013.25hpa

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99-An aircraft flying at FL 45 (OAT 6°C) obtains a reading of 1860 ft on its radio altimeter (ground elevation 3090 ft). What is the value of the QNH, to the nearest hPa, at that point?

050 10858 The Atmosphere

1030 1042 996 1013

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100-Which of the following situations will most likely lead to a stable air mass?

050 15777 Thermodynamics

Widespread convection. Cold air at higher levels and advection of warm air at lower levels. Decreasing wind and developing showers. Subsidence and/or cooling from below.

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1-If you are flying at FL 100 in an air mass that is 10°C warmer than a standard atmosphere, what is the outside temperature likely to be?

2-If you are flying at FL 300 in an air mass that is 15°C warmer than a standard atmosphere, what is the outside temperature likely to be?

3-What intensity and type of airframe icing is most likely to occur when flying at FL 170 in AS with the outside air temperature at -20°C?

4-The QNH at an airfield located 200 metres above sea level is 1009 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QFF?

5-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

6-The QFF at an airfield located 400 metres above sea level is 1016 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?

7-You are flying at FL 160. Outside air temperature is -27°C, and the pressure at sea level is 1003 hPa. What is the true altitude?

8-You are flying at FL 200. Outside air temperature is -40°C, and the pressure at sea level is 1033 hPa. What is the true altitude?

9-You are flying at FL 160. Outside air temperature is -27°C, and the pressure at sea level is 1003 hPa. What is the true altitude?

10-You are flying at FL 200. Outside air temperature is -40°C, and the pressure at sea level is 1033 hPa. What is the true altitude?

11-If you are flying at FL 120 and the outside temperature is -2°C, at what altitude will the "freezing level" be?

12-The QNH at an airfield in California located 69 metres below sea level is 1018 hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QFF?

13-The QFF at an airfield in California located 69 metres below sea level is 1030 hPa. The air temperature is 10°C lower than a standard atmosphere. What is the QNH?

14-You are flying with an outside air temperature of -12°C and a TAS of 250 kt at FL 150 through 8 oktas NS. What type and degree of icing is most probable?

16-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) ?

18-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:

19-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level?

20-An outside air temperature of -35°C is measured while cruising at FL 200. What is the temperature deviation from the ISA at this level

21-At an altitude of 1650 feet AMSL, a temperature of +15°C is measured. What will the temperature be at an altitude of 8200 feet, if you consider the temperature gradient of the Standard Atmosphere?

22-It is raining and the outside air temperature is -5°C. What would you decide if you have a propeller to operate in non-icing conditions only?

23-You have been flying for some time in dense layered cloud. The outside air temperature is -25°C. Which of the following statements is true?

24-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?

25-You are flying at a constant indicated altitude with the QNH of 1015 set within the subscale and you notice the outside air temperature has been falling constantly. What can you expect to have happened to your true altitude?

26-The temperature at FL 140 is -12°C. What will the temperature be at FL 110 if the ICAO standard lapse rate is applied ?

27-The temperature at FL 80 is +6°C. What will the temperature be at FL 130 if the ICAO standard lapse rate is applied ?

28-The temperature at FL 160 is -22°C. What will the temperature be at FL 90 if the ICAO standard lapse rate is applied ?

29-The temperature at FL 110 is -5°C. What will the temperature be at FL 50 if the ICAO standard lapse rate is applied ?

30-You are at FL120 with an outside air temperature is -2°C. Where would you find the freezing level?

31-What is the lowest temperature in standard atmosphere?

32-The 0°C isotherm is forecast to be at FL 50. At what FL would you expect a temperature of -6°C?

33-An aircraft is flying over the sea at FL 100, with a true altitude of 10000 feet; local QNH is 1003 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

34-The 0° isotherm is forecast to be at FL 50. At what FL would you expect a temperature of -6° C?

35-The QNH of an airport at sea level is 983 hPa and the temperature deviation from ISA is -15°C below FL 100. What is the true altitude of FL 100?

36-The temperature at 3000 ft. above mean sea level is forecast to be 3°C. What is the deviation from ICAO Standard Atmosphere?

37-At a certain position, the temperature on the 300 hPa chart is -48°C; according to the tropopause chart, the tropopause is at FL 330. What is the most likely temperature at FL 350 ?

38-The air mass affecting position "C" is most likely to be

39-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

40-In a layer of air the decrease in temperature per 100 metres increase in height is more than 1°C. This layer can be described as being

41-Which type of fog is likely to form when air having temperature of 15°C and dew point of 12°C blows at 10 knots over a sea surface having temperatures of 5°C ?

42-What degree of turbulence, if any, is likely to be encountered while flying through a cold front in the summer over Central Europe at FL 100?

43-At FL 180, the air temperature is -35°C. The air density at this level is:

44-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?

45-In the southern hemisphere what wind effect would you expect when flying from a high pressure area towards a low pressure area at FL 100?

46-You are flying FL100 in an airmass which is 15°C colder than ISA, local QNH 983. What would the true altitude be?

47-What is, approximately, the temperature at 20000 FT in the ICAO Standard Atmosphere?

48-If atmospheric conditions exist such that the temperature deviation is ISA +10°C in the lower troposphere up to 18000 FT, what is the actual layer thickness between FL 60 and FL 120 ?

49-What intensity and type of airframe icing is most likely to occur when aircraft descend rapidly from FL 320 (temp. -45°C) to FL 60 in warm, moist clear air?

50-In an air mass with no clouds the surface temperature is 15°C and the temperature at 1000 m/AGL is 13°C. This layer of air is:

51-If in a 100 m thick layer the temperature at the bottom of the layer is 10°C and at the top of the layer is 8°C then this layer is

52-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?

53-An aircraft is flying over the sea at FL 120, with a true altitude of 12000 feet; local QNH is 1013 hPa. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

54-An aircraft is flying over the sea at FL 90; the true altitude is 9100 feet; local QNH is unknown. What assumption, if any, can be made about the air mass in which the aircraft is flying ?

55-In still air the temperature decreases at an average of 1.2°C per 100 m increase in altitude. This temperature change is called:

56-A vertical spacing of 1000 FT is the standard required separation between two FL. Under conditions of cold air advection (ISA -15°C), what would the true vertical separation be?

57-Temperature decreases with altitude in standard atmosphere. Regarding this change in temperature, density should increase with altitude but it decreases. What is the reason?

58-The temperature at 10000ft in the ICAO Standard Atmosphere

59-The temperature at 2000ft AMSL is forecast to be +5°C: compared to the International Standard Atmosphere (ISA) this is:

60-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

61-The decrease in temperature, per 100 metres, in a saturated rising parcel of air at lower level of the atmosphere is approximately

62-After passing at right angles through a very active cold front in the direction towards the cold air, what will you encounter at FL 50, in the northern hemisphere immediately after a marked change in temperature?

63-If you are flying from Zurich to London at FL 240, what conditions can you expect at cruising altitude?

64-During a flight over the sea at FL 135, the true altitude is 13500 feet; local QNH is 1019 hPa. What information, if any, can be gained about the air mass in which the aircraft is flying?

65-What intensity and type of aircraft icing is likely to occur at FL 100 in a thunderstorm, with the freezing level at 7000 FT?

66-What is the temperature deviation in degrees Celsius, from the ICAO Standard Atmosphere overhead Frankfurt ?

67-Given:Altimeter setting: 1013.2 hPaAltimeter reading: 5000 ftOutside air temperature at 5000 ft: +5°CQFE: 958 hPaQNH: 983 hPaWhat is the true height of the aircraft above the aerodrome?

68-The temperature lapse rate of the ICAO standard atmosphere in the troposphere is:

69-The temperature at 10000 FT in the ICAO Standard Atmosphere is:

70-The lowest assumed temperature in the International Standard Atmosphere (ISA) is :

71-What types of cloud will you see flying at FL 50 towards a warm front?

72-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?

73-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?

74-After a prolonged VMC descent in very cold air, you penetrate a humid air mass. What type of icing will you encounter?

75-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 ?

76-What is the density at sea level in the International Standard Atmosphere?

77-During the late afternoon an air temperature of +12°C and a dew point of +5°C were measured. What temperature change must at least occur during the night in order to induce saturation?

78-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 ?

79-In the lower levels of the atmosphere when the environmental lapse rate is greater than saturated adiabatic lapse rate but less than dry adiabatic lapse rate - the air mass is described as being

80-In the month of August you prepare a flight (cruising level FL 370) from Bombay (19°N - 73°E) to Bangkok (13°N - 100°E). What wind conditions can you expect?

67-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?