Index - Atpl Campus

100 item has been found

1-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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2-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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3-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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4-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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5-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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6-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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7-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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8-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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9-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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10-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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11-Under what conditions would density be the minimum value at any given place?

050 1

Low altitude, low temperature and low humidity. Low altitude, high temperature and high humidity. High altitude, high temperature and low humidity. High altitude, high temperature and high humidity.

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12-One of the reasons for International Standard Atmospheric (ISA) conditions are created is;

050 1

for lowering the flight costs. for extending the flight time in the air. for maximizing the safety. for lowering the production costs.

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13-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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14-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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15-Atmospheric soundings give the following temperature profile: 3000 FT +15°C 6000 FT +8°C 10000 FT +1°C 14000 FT -6°C 18000 FT -14°C 24000 FT -26°C At which of the following flight levels is the risk for aircraft icing, in cloud, greatest?

050 2048 Flight Hazards

FL 80 FL 220 FL 150 FL 180

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16-The temperature at the surface is given as +15°C and at 4000 FT it is +9°C, the state of this layer is said to be:

050 10930 The Atmosphere

stable unstable absolutely unstable conditionally unstable

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17-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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18-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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19-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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20-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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21-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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22-Which is true of advection fog?

050 10961 Uncategorized Wind

It develops slowly and clears fast It can appear suddenly by day or by night It usually forms by night and clears by day It forms when unstable air is adiabatically cooled

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23-What conditions are necessary for vertical visibility to be reported?

050 13599 Meteorological Information

Whenever the lowest cloud base is below 1500 FT above ground. Whenever the sky is obscured by fog or heavy precipitation and the height of the cloud base cannot be measured. Whenever the lowest ceiling is below 1500 FT above ground. It is always reported.

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24-What conditions are necessary for vertical visibility to be reported?

050 16398 Meteorological Information

Whenever the lowest ceiling is below 1500 ft above ground. It is always reported. Whenever the lowest cloud base is below 1500 ft above ground. Whenever the sky is obscured by fog or heavy precipitation and the height of the cloud base cannot be measured.

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25-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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26-If the surface temperature is 15°C , then the temperature at 10000 FT in a current of ascending unsaturated air is:

050 4141 Thermodynamics

5°C -5°C -15°C 0°C

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27-The pressure altitude is 12 000 ft. The ISA deviation is -5°C. What is the density altitude?

050 1

11 400 ft. 12240 ft. 11760 ft. 12 600 ft.

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28-The temperature deviation from ISA (to the nearest °C) overhead Charleston (33°N 080°W) at FL 340 is

050 13585 CAT

-5 -7 +3 +5

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29-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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30-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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31-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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32-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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33-Which statement is true for advection fog?

050 16393 Clouds and Fog

It forms when unstable air is adiabatically cooled It can appear suddenly by day or by night It usually forms by night and clears by day It develops slowly and clears fast

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34-How would the term "vertical visibility is missing or not measurable" be indicated in a METAR?

050 15053 Meteorological Information

VV999 VVmis VV000 VV///

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35-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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36-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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37-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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38-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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39-While mountain flying on a cold winter day, under fair weather conditions (QNH1013 hPa), you circle a mountain of known height at peak elevation. Comparing to the elevation of the mountain, the aneroid altimeter of your aircraft will therefore indicate... .

050 1

peak elevation cannot be determined a lower altitude a higher altitude

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40-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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41-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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42-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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43-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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44-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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45-Advection of very cold air over a warm sea current can cause:

050 13657 Clouds and Fog

frontal fog. no fog at all. steaming fog. advection fog.

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46-In the ICAO standard atmosphere, which of the following alternatives indicates the correct vertical temperature distribution in the lowest 11 km?

050 15261 The Atmosphere

15°C at mean sea level, decreasing at 0.65°C per 100 metres. 15°C at mean sea level, decreasing at 0.65°C per 100 feet. 15.2°C at mean sea level, decreasing at 0.65°C per 100 metres. 13°C at mean sea level, decreasing at 2°C per 1000 feet.

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47-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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48-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?

050 2049 Flight Hazards

Yes, but only between 3000 and 4000 FT/AGL. No, absolutely no icing will occur. Yes, between ground level and 3000 FT/AGL. No, flights clear of cloud experience no icing.

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49-Which of the following sets of conditions are most likely to lead to the formation of advection fog?

050 10965 Wind Uncategorized

Cold maritime air flowing over a warmer land surface at a speed greater than 15 kt A mild moist airstream flowing over colder surfaces with a wind in excess of 30 kt Clear skies at night over an inland marshy area A mild moist airstream flowing over colder surfaces with the wind speed less than 15 kt

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50-Advection is:

050 3738 The Atmosphere

the same as convection vertical motion of air horizontal motion of air the same as subsidence

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51-Advection is :

050 1

the same as convection the same as subsidence horizontal motion of air vertical motion of air

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52-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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53-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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54-Few 200 ft, Scattered 1200 ft, Broken 3500 ft, Overcast 10000 ft. How would that be reported in a METAR?

050 1

FEW002 SCT012 BKN035 OVC100 FEW002 SCT012 BKN035 OVC010 FEW020 SCT120 BKN350 OVC100 FEW002 SCT012 BKN035 OVC1000

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55-Which constant pressure chart is standard for FL 450?

050 15352 Meteorological Information

200 hPa 300 hPa 250 hPa 150 hPa

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56-Which constant pressure chart is standard for FL 340?

050 15434 Meteorological Information

200 hPa 250 hPa 300 hPa 400 hPa

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57-Which constant pressure chart is standard for FL 240?

050 15478 Meteorological Information

500 hPa 400 hPa 300 hPa 600 hPa

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58-Which constant pressure chart is standard for FL 140?

050 15474 Meteorological Information

500 hPa 600 hPa 850 hPa 700 hPa

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59-What are the conditions required for the formation of hoar frost?

050 14263 Wind Uncategorized

The temperature of the surface is lower than the dew point of the air and the dew point is lower than 0°C. Falling droplets on a surface with a temperature below freezing. Falling droplets on a surface while the air temperature is below freezing. The temperature of the surface is higher than the dew point of the air and the dew point is lower than 0°C.

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60-What is the relative movement of the two air masses along a cold front ?

050 1599 Wind Uncategorized

Cold air slides over a warm air mass Warm air pushes over a cold air mass Warm air pushes under a cold air mass Cold air pushes under a warm air mass

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61-What type of precipitation would you expect at an active unstable cold front?

050 1598 Wind Uncategorized

Light to moderate continuous rain Showers associated with thunderstorms Drizzle Freezing rain

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62-What are the typical weather conditions in a cold air pool in summer?

050 15951 Climatology

Ground fog formation is common Fine weather with thunderstorms in the morning or forenoon Generally fine weather, thunderstorms in the afternoon or evening Precipitation is predominant

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63-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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64-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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65-THE ICAO STANDARD ATMOSPHERE (ISA) assumes that, at mean sea-level,

050 1

temperature is 10°C, air pressure is 1225 hectopascals (millibars), and air density is 1000 gm/m3. air temperature is 15°C and air pressure is 1000 hectopascals (millibars) air temperature is 15°C, air pressure is 1013.25 hectopascals (millibars), and air density is 1.225 kg/m3. air temperature is 0°C, air pressure is 1000 hectopascals (millibars), and air density is 1225 gm/m3.

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66-What is the deviation of the temperature at FL 140 above Copenhagen compared to ISA?

050 2618 CAT

8°C colder than ISA 12°C colder than ISA 8°C warmer than ISA 4°C warmer than ISA

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67-Under anticyclone conditions in the northern hemisphere, with curved isobars the speed of the gradient wind is

050 5000 Wind

the same as the thermal component proportional only to the Coriolis force greater than the geostrophic wind less than the geostrophic wind

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68-Under the weather conditions depicted, which of the following statements is likely to apply?

050 453 Climatology

Radiation fog is unlikely in Central Europe in the winter. Severe gradient wind likely over Central Europe. Moderate to strong Foehn in the Alps. Thunderstorms may occur in the summer months over Central Europe.

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69-Under which of the following conditions is the most severe CAT likely to be experienced ?

050 4162 Wind

A jet stream, with great spacing between the isotherms A westerly jet stream at low latitudes in the summer A straight jet stream near a low pressure area A curved jet stream near a deep trough

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70-Under which of these conditions is radiation fog most likely to form?

050 2550 Clouds and Fog

Very dry air Very low temperatures Little or no cloud Strong surface winds

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71-What OAT would you expect at FL 200 over Geneva ?

050 1703 CAT

-28°C -16°C -20°C -24°C

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72-On which of these routes would you not need to worry about icing at FL 170?

050 2706 CAT

Zurich - Athens Paris - Lisbon London - Stockholm Madrid - Vienna

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73-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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74-Which constant pressure altitude chart is standard for FL 300?

050 2572 Meteorological Information

200 hPa 700 hPa 500 hPa 300 hPa

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75-Which constant pressure altitude chart is standard for FL 180?

050 2571 Meteorological Information

700 hPa 200 hPa 500 hPa 300 hPa

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76-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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77-Which constant pressure altitude chart is standard for FL 390?

050 2573 Meteorological Information

200 hPa 700 hPa 500 hPa 300 hPa

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78-What weather conditions would you expect at a squall line?

050 1615 Flight Hazards

Thunderstorms Strong whirlwinds reaching up to higher levels Continuous heavy rain Fog

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79-On a route segment from A to B the highest terrain elevation is approximately 200 feet. For an instrument flight the minimum obstacle clearance is 1000 feet. The subscale of the altimeter is set to the local QNH of 1013 hPa and the temperature on the ground is -5°C. Assume a standard temperature lapse rate. What is the approximate minimum acceptable altimeter indication during the flight on this route segment?

050 15265 The Atmosphere

1100 feet. 1300 feet. 1000 feet. 1400 feet.

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80-In which conditions would you most likely encounter clear icing, and how would it normally appear?

050 16709 Flight Hazards

Stratiform clouds, small water droplets, temperatures between -10°C and -20°C. Appears granular and tends to accumulate forward into the air stream. Cumuliform clouds, small water droplets, temperatures between -20°C and -25°C. Appears transparent and tends to take the shape of the surface on which it freezes. Stratiform clouds, large water droplets, temperatures well below freezing. Appears opaque and builds forward from leading surface into a sharp edge. Cumuliform clouds, large water droplets, temperatures between 0°C and -15°C. Appears smooth and tends to spread back over an aircraft wing.

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81-In which conditions would you most likely encounter clear icing, and how would it normally appear?

050 13708 Flight Hazards

Stratiform clouds, large water droplets, temperatures well below freezing. Appears opaque and builds forward from leading surface into a sharp edge. Cumuliform clouds, small water droplets, temperatures between -20°C and 25°C. Appears transparent and tends to take the shape of the surface on which it freezes. Stratiform clouds, small water droplets, temperatures between -10°C and -20°C. Appears granular and tends to accumulate forward into the air stream. Cumuliform clouds, large water droplets, temperatures between 0°C and -15°C. Appears smooth and tends to spread back over an aircraft wing.

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82-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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83-For an aircraft at FL 80, ahead of the front in square 2D, the expected flight conditions are

050 13592

IMC in cumuliform cloud, moderate turbulence with a risk of rime icing overcast skies, moderate to heavy turbulence with the possibility of thunderstorms high CI and CS type cloud, light turbulence and poor visibility below AS type cloud, generally smooth air with light precipitation

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84-A cold airmass is coming from Siberia to Turkey over Karadeniz. What would you most likely expect at the north of Turkey?

050 1

clear skies snow showers drizzle stratus clouds

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85-A cold front is approaching from the Balkans to Istanbul. What would you most likely expect?

050 1

Lenticularis clouds Rain showers virga subsidence

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86-Vertical wind shear is

050 4108 Uncategorized Wind

a change of vertical wind speed with horizontal distance a horizontal shear of vertical wind a change of horizontal wind direction and/or speed with height a change of horizontal wind direction and/or speed with horizontal distance

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87-Vertical wind shear is

050 1

horizontal variation in the horizontal wind horizontal variation in the vertical wind vertical variation in the horizontal wind vertical variation in the vertical wind

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88-Between mean sea level and a height of 20 km, the lowest temperature in the ICAO Standard Atmosphere (ISA) is:

050 10870 The Atmosphere

-44.7°C -56.5°C -100°C -273°C

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89-In the ICAO Standard Atmosphere (ISA), the fall in pressura with height, close to sealevel, is approximately 1 millibar for every

050 1

36 feet 27 feet. 60 feet. 45 feet.

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90-Flight from Lisbon (LPPT) to Kingston (MKJP) At 40°N 20°W, the temperature deviation from ISA at FL 390 is

050 13624 CAT

-2°C 0°C +2°C +6°C

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91-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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92-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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93-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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94-An air temperature of -15°C at the 700 hPa level over central Europe in summer is

050 2502 The Atmosphere

High Low 20°C below standard Within +/-5°C of ISA

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95-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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96-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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97-At FL 300 between Geneva and Tunis, what mean wind would be most likely?

050 13684 Meteorological Information

265/25 265/40 245/50 225/25

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98-Which of the following constant pressure charts would be most relevant for planning a flight at FL 430?

050 15353 Meteorological Information

150 hPa 300 hPa 250 hPa 200 hPa

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99-Which of the following constant pressure charts would be most relevant for planning a flight at FL 330?

050 15435 Meteorological Information

400 hPa 300 hPa 200 hPa 250 hPa

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100-Which of the following constant pressure charts would be most relevant for planning a flight at FL 260?

050 15479 Meteorological Information

600 hPa 500 hPa 400 hPa 300 hPa

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1-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?

2-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?

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

4-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 ?

5-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?

6-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?

7-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?

8-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) ?

9-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?

10-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:

11-Under what conditions would density be the minimum value at any given place?

12-One of the reasons for International Standard Atmospheric (ISA) conditions are created is;

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

14-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:

15-Atmospheric soundings give the following temperature profile: 3000 FT +15°C 6000 FT +8°C 10000 FT +1°C 14000 FT -6°C 18000 FT -14°C 24000 FT -26°C At which of the following flight levels is the risk for aircraft icing, in cloud, greatest?

16-The temperature at the surface is given as +15°C and at 4000 FT it is +9°C, the state of this layer is said to be:

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

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

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

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

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

22-Which is true of advection fog?

23-What conditions are necessary for vertical visibility to be reported?

24-What conditions are necessary for vertical visibility to be reported?

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

26-If the surface temperature is 15°C , then the temperature at 10000 FT in a current of ascending unsaturated air is:

27-The pressure altitude is 12 000 ft. The ISA deviation is -5°C. What is the density altitude?

28-The temperature deviation from ISA (to the nearest °C) overhead Charleston (33°N 080°W) at FL 340 is

29-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?

30-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

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

32-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?

33-Which statement is true for advection fog?

34-How would the term "vertical visibility is missing or not measurable" be indicated in a METAR?

36-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?

37-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?

38-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?

39-While mountain flying on a cold winter day, under fair weather conditions (QNH1013 hPa), you circle a mountain of known height at peak elevation. Comparing to the elevation of the mountain, the aneroid altimeter of your aircraft will therefore indicate... .

40-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?

41-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?

42-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?

43-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?

44-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?

45-Advection of very cold air over a warm sea current can cause:

46-In the ICAO standard atmosphere, which of the following alternatives indicates the correct vertical temperature distribution in the lowest 11 km?

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

49-Which of the following sets of conditions are most likely to lead to the formation of advection fog?

50-Advection is:

51-Advection is :

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

53-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?

54-Few 200 ft, Scattered 1200 ft, Broken 3500 ft, Overcast 10000 ft. How would that be reported in a METAR?

55-Which constant pressure chart is standard for FL 450?

56-Which constant pressure chart is standard for FL 340?

57-Which constant pressure chart is standard for FL 240?

58-Which constant pressure chart is standard for FL 140?

59-What are the conditions required for the formation of hoar frost?

60-What is the relative movement of the two air masses along a cold front ?

61-What type of precipitation would you expect at an active unstable cold front?

62-What are the typical weather conditions in a cold air pool in summer?

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

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

65-THE ICAO STANDARD ATMOSPHERE (ISA) assumes that, at mean sea-level,

66-What is the deviation of the temperature at FL 140 above Copenhagen compared to ISA?

67-Under anticyclone conditions in the northern hemisphere, with curved isobars the speed of the gradient wind is

68-Under the weather conditions depicted, which of the following statements is likely to apply?

69-Under which of the following conditions is the most severe CAT likely to be experienced ?

70-Under which of these conditions is radiation fog most likely to form?

71-What OAT would you expect at FL 200 over Geneva ?

72-On which of these routes would you not need to worry about icing at FL 170?

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

74-Which constant pressure altitude chart is standard for FL 300?

75-Which constant pressure altitude chart is standard for FL 180?

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

77-Which constant pressure altitude chart is standard for FL 390?

78-What weather conditions would you expect at a squall line?

80-In which conditions would you most likely encounter clear icing, and how would it normally appear?

81-In which conditions would you most likely encounter clear icing, and how would it normally appear?

53-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?