1-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 ?
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2-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 ?
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3-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 ?
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4-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?
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5-During a flight over the sea at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1012 hPa), the true altitude is constantly increasing. What action, if any, should be taken ?
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6-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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7-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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8-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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9-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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10-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?
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11-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?
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12-During a flight over the sea at FL 100 from Marseille (QNH 1016 hPa) to Palma de Mallorca (QNH 1016 hPa), the true altitude is constantly decreasing. What is the probable reason for this ?
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13-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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14-An aircraft flying at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1006 hPa) experiences no change to true altitude. The reason for this is that:
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15-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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16-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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17-Whilst flying at FL 180 on the northern hemisphere an aircraft experiences right drift. What effect, if any, will this have on the aircraft's true altitude ?
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18-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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19-An aircraft is flying at FL 80. The local QNH is 1000 hPa. After the second altimeter has been adjusted to the local QNH, the reading will be approximately
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20-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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21-Advection of very cold air over a warm sea current can cause:
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22-An aircraft is flying at FL 180 in the northern hemisphere with a crosswind from the left. Which of the following is correct concerning its true altitude ?
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23-If you are flying from Zurich to London at FL 240, what conditions can you expect at cruising altitude?
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24-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?
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25-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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26-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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27-You are flying at FL 340 on the northern hemisphere. The wind is geostrophic and there is a cross wind from the right all the time. Your true altitude will
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28-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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29-What type of weather can usually be expected in a polar maritime air mass over central Europe in the daytime during summer?
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30-What type of weather can usually be expected in a polar maritime air mass over Central Europe in the daytime during summer?
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31-During a flight at FL 100 from Marseille (QNH 1012 hPa) to Palma de Mallorca (QNH 1015 hPa), an aircraft remains at a constant true altitude. The reason for this is that:
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32-When flying at 5000 feet in the northern hemisphere over plains (flat country) with an anticyclone on the left and a depression on the right, the wind will be
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33-If the QFE at ÇORLU (660 feet above sea level) is 980 hPa, what is the approximate QNH ? (1 mb= 30 feet)
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34-Which of the following is true concerning an aircraft that is flying at FL180 in the northern hemisphere, where wind is geostrophic and the true altitude remains constant ?
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35-When flying towards a low pressure system at a constant indicated altitude, the true altitude will be;
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36-If you are flying from Zurich to Shannon at FL 340, where will your cruising altitude be?
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37-If you are flying at FL 120 and the outside temperature is -2°C, at what altitude will the "freezing level" be?
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38-If the QFE at an airport (200 metres above sea level) is 1000 hPa, what is the approximate QNH? (1 mb = 27 feet)
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39-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 ?
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40-What is the relationship, if any, between QFE and QNH at an airport situated 50 FT below sea level?
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41-QNH 1025 hPa at an altitude of 660 feet AMSL: What will the approximate QFE be? (Assume 1 mb=30 ft)
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42-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?
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43-Which type of air mass never occurs over central Europe ?
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44-The QNH at an airfield located at mean sea level is 1022 hPa. The air temperature is not available. What is the QFF?
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45-The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?
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46-An altimeter adjusted to 1013 hPa indicates an altitude of 3600 FT. Should this altimeter be adjusted to the local QNH value of 991 hPa, the altitude indicated would be
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47-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?
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48-Which weather condition lowers true altitude as compared to pressure altitude to a position where flight over mountains could be dangerous?
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49-Which of the following statements is true of the dew point of an air mass?
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50-Which of the following statements is true of the dew point of an air mass?
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51-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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52-An air mass which originates over the North Atlantic between 50 and 70 degrees north and is moving in over Scandinavia is called
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53-An aircraft is flying in the southern hemisphere at low altitude (less than 2000 feet) and going directly away from a centre of low pressure. What direction, relative to the aircraft, does the wind come from ?
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54-An aircraft is descending to land under IFR. If the local QNH is 1009 hPa, what will happen to the altitude reading when the altimeter is reset at the transition level ?
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55-If you have to fly through a warm front when freezing level is at 10000 feet in the warm air and at 2000 feet in the cold air, at which altitude is the probability of freezing rain the lowest ?
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56-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 ?
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57-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?
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58-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?
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59-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?
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60-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?
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61-In wintertime stratus is often formed when warm maritime air moves over cold land. How can such clouds be classified?
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62-After landing at an aerodrome (QNH 993 hPa) it is noticed that the altimeter is still set to 1013,2 hPa and that it reads 1200 feet. What is the elevation of the aerodrome above mean sea level ?
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63-An aircraft flies at a constant indicated altitude from airfield A (QNH= 1009 hPA) to airfield B (QNH= 1019 hPA) . If the subscale is not reset from 1009, what would be expected when over airfield B?
0501
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64-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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65-An air mass is:
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66-The pressure altitude is equal to the true altitude if
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67-During the climb after take-off, the altimeter setting is adjusted at the transition altitude. If the local QNH is 966 hPa, what will happen to the altimeter reading during the resetting procedure?
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68-During the climb after take-off, the altimeter setting is adjusted at the transition altitude. If the local QNH is 1023 hPa, what will happen to the altimeter reading during the resetting procedure ?
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69-An aircraft is flying through the Alps on a very cold winter's day. The regional QNH is 1013 hPa. During the flight, you circle around a mountain at an altitude of its summit. What reading will the aneroid altimeter give, compared to the elevation of the summit?
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70-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?
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71-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?
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72-Which of the following phenomena can provide the initial lifting leading to air mass thunderstorms?
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73-A conditionally unstable air mass is forced to ascend a mountain slope. What type of clouds can be expected?
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74-An unstable air mass is forced to ascend a mountain slope. What type of clouds can be expected?
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75-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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76-A piston engine aircraft with carburator flying in clear air may be subjected to the accretion of:
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77-The turbulence which occurs at high flight levels (above FL 250) is mainly of the type Clear Air Turbulence. In what way can moderate to severe Clear Air Turbulence affect an aircraft, the flight and the passengers?
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78-The Variation of Air Density with Altitude:
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79-An aircraft is approaching a cold front from the warm air mass side at FL 270 and experiencing moderate to severe turbulence. A jet stream is forecast to be at FL 310. The shortest way to get out of this turbulence is by:
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80-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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81-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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82-An air mass is stable when
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83-An air mass is unstable when
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84-"An aircraft flying at low level in the vicinity of a range of hills across which a strong wind is blowing may experience: 1- Severe turbulence below any rotor zone. 2- Downdraughts which may completely overcome the rate of climb of some low powered light aircraft. 3- A greater than normal risk of icing in cloud over the crest of the hills."
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85-What wind is forecast at FL 390 over Paris ?
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86-Steaming fog (arctic sea smoke) occurs in air
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87-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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88-What types of cloud will you see flying at FL 50 towards a warm front?
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89-You are flying in the southern hemisphere at FL 180 from east to west. If the wind at FL 180 is southerly, which of the following statements is correct?
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90-Which type of fog can NOT be formed over water?
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91-What wind direction will occur over the sea at point F?
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92-When warm air moves over a colder surface, __________.
0501
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93-When cold air moves over a warmer surface, __________.
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94-An aircraft flying in the southern hemisphere at 2000 feet, has to turn to the right in order to allow for drift. In which direction, relative to the aircraft, is the centre of low pressure ?
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95-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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96-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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97-At FL 180, the air temperature is -35°C.The air density at this level is:
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98-At FL 180, the air temperature is -35°C.The air density at this level is:
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99-At FL 180, the air temperature is -35°C. The air density at this level is:
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100-An unstable air mass will normally be characterised by