MET-BNC-MODULE7

1. The QNH at an airfield located 200 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?




2. The QNH at an airfield located 0 metres above sea level is 1022 hPa. The air temperature is not available. What is the QFF?




3. 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?




4. 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?




5. If the QFE at Locarno (200 metres above sea level) is 980 hPa, what is the approximate QNH ?




6. If the QFE at Locarno (200 metres above sea level) is 1000 hPa, what is the approximate QNH?




7. If the QNH at Locarno (200 metres above sea level) is 1015 hPa, what is the approximate QFE?




8. If the QNH at Locarno (200 metres above sea level) is 1025 hPa, what is the approximate QFE?




9. 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?




10. 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?




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




12. 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:




13. 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 ?




14. 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 ?




15. 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?




16. 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 ?




17. 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 ?




18. 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 ?




19. An aircraft is flying over 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?




20. An aircraft is flying over the Alps on a warm summer's day. The weather is fine, and there is a high pressure system in the area. During the flight, a mountain is passed at an altitude of its summit. What reading will the aneroid altimeter give, compared to the summit's elevation?




21. 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 ?




22. 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 ?




23. 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?




24. What is the approximate speed of a 25-knot wind, expressed in kilometres per hour?




25. What is the approximate speed of a 90 km/h wind, expressed in knots?




26. What is the approximate speed of a 40-knot wind, expressed in m/sec?




27. What is the wind speed given in a METAR report based on?




28. Where are you likely to find the strongest winds close to the ground?




29. 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 ?




30. Between which latitudes are you most likely to find the subtropical high-pressure belt ?




31. Between which latitudes are you most likely to find the region of travelling low pressure systems during summer?




32. Where, in central Europe, are the highest wind speeds to be found ?




33. If Paris reports a wind of 19015KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?




34. If Paris reports a wind of 08010KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?




35. If Paris reports a wind of 16020KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground?




36. If Paris reports a wind of 30012KT on the METAR, what wind velocity would you expect to encounter at a height of 2000 feet above the ground ?




37. Which of the following is true of a land breeze?




38. An aircraft is approaching under visual flight rules an airfield whose runway is parallel to the coast. When downwind over the sea, the airfield is on the right. What wind effect should be anticipated on final approach and landing during a sunny afternoon?




39. An aircraft is approaching under visual flight rules an airfield (northern hemisphere) whose runway is parallel to the coast. When downwind over the sea, the airfield is on the left. What wind effect should be anticipated on final approach and landing during a sunny afternoon ?




40. Which of the following statements is true of the dew point of an air mass?




41. Which types of clouds are typical evidence of stable air conditions?




42. Which of the following types of cloud can extend over the low, medium and high cloud levels ?




43. A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform SC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?




44. A plain in Western Europe with an average height of 500 m (1600 FT) above sea level is covered with a uniform CC layer of cloud during the summer months. At what height above the ground is the base of this cloud to be expected?




45. Which of the following cloud types is found at high levels?




46. Which of the following cloud types is a medium level cloud ?




47. Which of the following is most likely to lead to the formation of radiation fog?




48. With which of the following types of cloud is "+RA" precipitation most commonly associated?




49. With what type of cloud is "GR" precipitation most commonly associated?




50. With what type of cloud is "DZ" precipitation most commonly associated?




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