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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 ?

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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2-When ATIS broadcasts update?

050 1

Every 30 minutes Every hour Only when the aerodrome information changes Any time the aerodrome or weather information change

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3-Supercooled droplets can be encountered

050 4129 Thermodynamics

in winter only in high clouds only in winter at high altitude at any time of the year only in winter above 10000 FT

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4-If there was no water vapour in the atmosphere, _____.

050 1

There would not be any turbulence. there would not be any clouds and precipitation. There would not be any jetstreams. There would not be any surface winds.

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5-ATIS information contains

050 4180 Meteorological Information

meteorological and operational information only operational information only meteorological information operational information and if necessary meteorological information

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6-Orographic thunderstorms may occur:

050 15619 Flight Hazards

mostly between sunset and 2 a.m. almost exclusively during the daylight hours. mostly in the early morning. at any time during day and night.

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7-In a situation with a weak pressure gradient and no thunderstorms around, what will the indication of the aneroid altimeter of an aircraft parked on the ground do over a period of about ten minutes?

050 452 Climatology

Show strong fluctuations. Decrease rapidly. Apparently nothing, because any changes would be small. Increase rapidly.

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8-Where does wind shear occur?

050 12802 Wind Uncategorized

Wind shear occurs only when there is a strong temperature inversion, or when the jetstream is associated with a strong depression. Wind shear of any significance occurs only in connection with jetstreams. At any level in the atmosphere if associated with either a change of wind direction and/or wind speed. Wind shear occurs primarily at lower altitudes in the vicinity of mountain waves.

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9-Which of the following statements is correct?

050 13822 Thermodynamics

The Coriolis force is inversely proportional to the sine of latitude At the equator horizontal motions do not induce any horizontal Coriolis force In gradient wind the Coriolis force is in balance with the horizontal pressure gradient force and the frictional force The Coriolis force is directed in the same sense at all latitudes

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10-Where does wind shear occur?

050 15077 Wind Uncategorized

Wind shear occurs only when there is a strong temperature inversion, or when the jetstream is associated with a strong depression. Wind shear occurs primarily at lower altitudes in the vicinity of mountain waves. Wind shear of any significance occurs only in connection with jetstreams. At any level in the atmosphere if associated with either a change of wind direction and/or wind speed.

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11-What is the best approximation for the wind speed at flight level 250?

050 12861 Meteorological Information

By reading wind direction and speed from the 500 hPa chart. By interpolation of the wind information available from the 500 and 300 hPa charts, while also considering the maximum wind information found on the Significant Weather Chart. By reading wind direction and speed from the 300 hPa chart. By simple interpolation of wind information available from the 500 and 300 hPa charts.

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12-What is a radiosonde?

050 15878 Meteorological Information

A meteorological station on ground or water at which measurements of meteorological variables are made automatically and a radio transmitter sends automatically this information to a meteorological centre. These data from such a station are indicated in a Equipment used for determining upper winds only (velocity and direction) by tracking a free balloon by electronic means at the observing station. Equipment used for determining upper winds (velocity and direction) by transmitting different radio waves and measuring the amount of the reflected waves by the moving air. These values correlate to the speed and direction of the wind. Instrument intended to be carried by a balloon up through the atmosphere, equipped with devices to measure meteorological variables and provided with a radio transmitter for sending this information to the observing station.

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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 ?

2-When ATIS broadcasts update?

3-Supercooled droplets can be encountered

4-If there was no water vapour in the atmosphere, _____.

5-ATIS information contains

6-Orographic thunderstorms may occur:

7-In a situation with a weak pressure gradient and no thunderstorms around, what will the indication of the aneroid altimeter of an aircraft parked on the ground do over a period of about ten minutes?

8-Where does wind shear occur?

9-Which of the following statements is correct?

10-Where does wind shear occur?

11-What is the best approximation for the wind speed at flight level 250?

12-What is a radiosonde?