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?
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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?
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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?
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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 ?
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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?
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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?
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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?
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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) ?
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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?
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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:
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11-Under what conditions would density be the minimum value at any given place?
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12-One of the reasons for International Standard Atmospheric (ISA) conditions are created is;
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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?
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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:
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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?
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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:
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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?
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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 ?
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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 ?
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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 ?
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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 ?
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22-Which is true of advection fog?
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23-What conditions are necessary for vertical visibility to be reported?
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24-What conditions are necessary for vertical visibility to be reported?
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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:
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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:
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27-The pressure altitude is 12 000 ft. The ISA deviation is -5°C. What is the density altitude?
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28-The temperature deviation from ISA (to the nearest °C) overhead Charleston (33°N 080°W) at FL 340 is
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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?
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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
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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?
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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?
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33-Which statement is true for advection fog?
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34-How would the term "vertical visibility is missing or not measurable" be indicated in a METAR?
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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?
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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?
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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?
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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?
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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... .
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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?
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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?
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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?
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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?
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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?
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45-Advection of very cold air over a warm sea current can cause:
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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?
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47-The lowest assumed temperature in the International Standard Atmosphere (ISA) is :
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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?
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49-Which of the following sets of conditions are most likely to lead to the formation of advection fog?
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50-Advection is:
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51-Advection is :
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52-The temperature at 10000 FT in the ICAO Standard Atmosphere is:
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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?
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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?
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55-Which constant pressure chart is standard for FL 450?
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56-Which constant pressure chart is standard for FL 340?
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57-Which constant pressure chart is standard for FL 240?
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58-Which constant pressure chart is standard for FL 140?
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59-What are the conditions required for the formation of hoar frost?
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60-What is the relative movement of the two air masses along a cold front ?
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61-What type of precipitation would you expect at an active unstable cold front?
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62-What are the typical weather conditions in a cold air pool in summer?
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63-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of
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64-The ICAO Standard Atmosphere (ISA) assumes that temperature will reduce at the rate of
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65-THE ICAO STANDARD ATMOSPHERE (ISA) assumes that, at mean sea-level,
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66-What is the deviation of the temperature at FL 140 above Copenhagen compared to ISA?
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67-Under anticyclone conditions in the northern hemisphere, with curved isobars the speed of the gradient wind is
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68-Under the weather conditions depicted, which of the following statements is likely to apply?
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69-Under which of the following conditions is the most severe CAT likely to be experienced ?
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70-Under which of these conditions is radiation fog most likely to form?
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71-What OAT would you expect at FL 200 over Geneva ?
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72-On which of these routes would you not need to worry about icing at FL 170?
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73-What is, approximately, the temperature at 20000 FT in the ICAO Standard Atmosphere?
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74-Which constant pressure altitude chart is standard for FL 300?
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75-Which constant pressure altitude chart is standard for FL 180?
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76-Which constant pressure altitude chart is standard for FL 100?
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77-Which constant pressure altitude chart is standard for FL 390?
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78-What weather conditions would you expect at a squall line?
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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?
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80-In which conditions would you most likely encounter clear icing, and how would it normally appear?
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81-In which conditions would you most likely encounter clear icing, and how would it normally appear?
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82-At FL 180, the air temperature is -35°C. The air density at this level is:
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83-For an aircraft at FL 80, ahead of the front in square 2D, the expected flight conditions are
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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?
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85-A cold front is approaching from the Balkans to Istanbul. What would you most likely expect?
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86-Vertical wind shear is
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87-Vertical wind shear is
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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:
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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
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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
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91-What is the average temperature difference from ISA at FL 300 between Edinburgh and Madrid?
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92-What is the average temperature difference from ISA at FL 390 between Madrid and Dhahran?
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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 ?
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94-An air temperature of -15°C at the 700 hPa level over central Europe in summer is
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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 ?
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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?
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97-At FL 300 between Geneva and Tunis, what mean wind would be most likely?
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98-Which of the following constant pressure charts would be most relevant for planning a flight at FL 430?
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99-Which of the following constant pressure charts would be most relevant for planning a flight at FL 330?
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100-Which of the following constant pressure charts would be most relevant for planning a flight at FL 260?