Index - Atpl Campus

100 item has been found

1-Which of the four answers is a correct interpretation of data from the following METAR ? LSZH 050820Z 16003KT 0400 R14/P1500 R16/1000 FZFG VV003 M02/M02 Q1026 BECMG 2000 BR =

050 13807 Wind Uncategorized

Visibility 1000 m, RVR 400 m, freezing level at 300 m, variable winds, temperature 2°C. RVR for runway 14 1500 m, visibility 400 m, QNH 1026 hPa, wind 160° at 3 kt. Visibility 400 m, RVR for runway 16 1000 m with no distinct tendency, dew point -2°C, freezing fog. RVR for runway 16 1000 m with no distinct tendency, visibility increasing in the next 2 hours to 2000 m, vertical visibility 300 m, temperature -2°C.

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2-Which of the following statements is an interpretation of the METAR ? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =

050 2603 Uncategorized Wind

Visibility 200 feet, RVR for runway 16 more than 1500 metres, vertical visibility 100 feet, fog with hoar frost RVR for runway 14 800 metres, vertical visibility 100 feet, calm, visibility improving to 800 metres in the next 2 hours Visibility for runway 14 800 metres, fog with hoar frost, RVR for runway 16 more than 1500 metres Visibility 200 metres, RVR for runway 16 1500 metres, temperature -3°C, vertical visibility 100 metres

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3-Which of the following statements is an interpretation of the METAR ? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =

050 13797 Uncategorized Wind

Visibility 200 feet, RVR for runway 16 more than 1500 metres, vertical visibility 100 feet, fog with hoar frost Visibility 200 metres, RVR for runway 16 1500 metres, temperature -3°C, vertical visibility 100 metres Visibility for runway 14 800 metres, fog with hoar frost, RVR for runway 16 more than 1500 metres RVR for runway 14 800 metres, vertical visibility 100 feet, calm, visibility improving to 800 metres in the next 2 hours

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4-Which of the following statements is an interpretation of the METAR? LTXX 010120Z 00000KT 0200 R14/0800 R16/P1500 FZFG VV001 M03/M03 Q1022 BECMG 0800 =

050 1

Meteorological visibility 200 metres, RVR for runway 16 1500 metres, temperature -3°C, vertical visibility 100 metres RVR for runway 14 is 800 metres, vertical visibility 100 feet, calm, meteorological visibility improving to 800 metres in the next 2 hours Meteorological visibility for runway 14 800 metres, fog with hoar frost, RVR for runway 16 more than1500 metres Meteorological visibility 200 feet, RVR for runway 16 more than 1500 metres, vertical visibility 100 feet, fog with hoar frost

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5-Which of the following statements is an interpretation of the METAR ? 25020G38KT 1200 +TSGR BKN006 BKN015CB 23/18 Q1016 BECMG NSW =

050 2602 Meteorological Information

Broken, cloud base 600 feet and 1500 feet, temperature 18°C Wind 250°, thunderstorm with moderate hail, QNH 1016 hPa Gusts of 38 knots, thunderstorm with heavy hail, dew point 18°C Mean wind speed 20-38 knots, visibility 1200 metres, temperature 23°C

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6-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the "BECMG" data indicate for the 18 to 21 hour time frame?

050 2005 Meteorological Information

The new conditions are achieved between 1800 and 2100 UTC Many long term changes in the original weather. Many short term changes in the original weather. A quick change to new conditions between 1800 and 1900 UTC.

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7-Given the following METAR: EDDM 250850Z 33005KT 2000 R26R/P1500N R26L/1500N BR SCT002 OVC003 05/05 Q1025 NOSIG Which of the following statements is correct ?

050 4196 Meteorological Information

There is a distinct change in RVR observed Runway 26R and runway 26L have the same RVR RVR on runway 26R is increasing Visibility is reduced by water droplets

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8-Does the following report make sense? METAR LSZH 182320Z VRB02KT 5000 MIFG 02/02 Q1015 NOSIG

050 1568 Meteorological Information

The report is not possible, because, with a temperature of 2°C and a dew point of 2°C there must be uniform fog. The report would never be seen, because shallow fog is not reported when the visibility is more than 2 km. The report is possible, because shallow fog is defined as a thin layer of fog below eye level. The report is nonsense, because it is impossible to observe a visibility of 5 km if shallow fog is reported.

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9-You receive the following METAR: LSGG 120750Z 00000KT 0300 R05/0700N FG VV001 M02/M02 Q1014 NOSIG = What will be the RVR at 0900 UTC?

050 1569 Meteorological Information

The RVR is unknown, because the "NOSIG" does not refer to RVR. 900 m. 300 m. 700 m.

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10-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the abbreviation "BKN004" mean?

050 2006 Meteorological Information

1 - 4 oktas, ceiling 400 m. 4 - 8 oktas, ceiling 400 m. 1 - 4 oktas, ceiling 400 FT. 5 - 7 oktas, ceiling 400 FT.

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11-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the abbreviation "VV001" mean?

050 1993 Meteorological Information

Vertical visibility 100 m. RVR less than 100 m. RVR greater than 100 m. Vertical visibility 100 FT.

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12-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What visibility is forecast for 2400 UTC?

050 1992 Meteorological Information

Between 0 m and 1000 m. 2000 m. Between 500 m and 2000 m. 500 m.

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13-Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What does the abbreviation "VV001" mean?

050 1

Vertical visibility 100 ft. RVR less than 100 m. RVR greater than 100 m. Vertical visibility 100 m.

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14-Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What visibility is forecast for 2400 UTC?

050 1

500 m. 2000 m. Between 500 m and 2000 m. Between 0 m and 1000 m.

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15-Which interpretation of the following message is correct?
LFLD AD WRNG 1 VALID 050430/050900
FROST FCST=

050 14889 Meteorological Information

It is forecast that some parts of the surface, vehicles, and aircraft parked outside will be contaminated by hoar frost between 0430 and 0900 on the 5th of that month. The aerodrome warning for runway 05 due to frost issued at 0430 UTC has been cancelled at 0900 UTC. It is forecast for the period between 0430 and 0900 on the 5th of that month that a departing or arriving aircraft will pass a layer of ground fog in which the aircraft will be contaminated by hoar frost. It is forecast for the period between 0430 and 0900 on the 5th of that month that especially an aircraft in the final approach phase will be covered by hoar frost.

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16-Which of the following statements is an interpretation of the SIGMET ? LSAS SIGMET 2 VALID 030700/031100 LSZH- SWITZERLAND FIR/UIR MOD TO SEV CAT FCST N OF ALPS BTN FL 260/380 STNR INTSF=

050 2604 Meteorological Information

Moderate to severe clear air turbulence of constant intensity to be expected north of the Alps Moderate to severe clear air turbulence to be expected north of the Alps. Intensity increasing. Danger zone between FL 260 and FL 380 Severe turbulence observed below FL 260 north of the Alps. Pilots advised to cross this area above FL 380 Zone of moderate to severe turbulence moving towards the area north of the Alps. Intensity increasing. Pilots advised to cross this area above FL 260

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17-Refer to the following TAF extract; BECMG 1821 2000 BR BKN004 PROB30 TEMPO 2124 0500 FG VV001 What does the abbreviation "PROB30" mean?

050 2007 Meteorological Information

Conditions will last for at least 30 minutes. Change expected in less than 30 minutes. The cloud ceiling should lift to 3000 FT. Probability of 30%.

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18-The following weather message EDDM 241200Z 241322 VRB03KT 1500 BR OVC004 BECMG 1517 00000KT 0500 FG VV002 TEMPO 2022 0400 FG VV001 is a:

050 1768 Uncategorized Wind

9 hour TAF. METAR. 24 hour TAF. SPECI.

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19-Refer to the following TAF message. LFxx 180800Z 180918 22020KT 6000 SCT015 SCT080 BECMG 1214 24025KT 2000 RA BKN009 OVC070= At 1400 UTC, the lowest cloud base will be

050 10910 Meteorological Information

between 900 and 1500 feet AMSL between 900 and 1500 feet AGL at 1500 feet AGL at 900 feet AGL

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20-The code: BECMG FM 1100 -SHRA when used in a METAR means:

050 1

From 1100 UTC the cessation of rain showers. Becoming fairly moderate weather from 1100 UTC. From 1100 UTC the prevailing rain showers becoming slight. Becoming from 1100 UTC slight rain showers.

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21-In the following TAF, what is the forecast weather at 0800 UTC?
TAF EHAM 152300Z 160009 33005KT 9999 SCT025 BKN100 BECMG 0002 27015KT 4500 -SN SCT008 OVC015 TEMPO 0206 0400 +SN VV002 BECMG 0406 01008KT 9999 NSW SCT030 TEMPO 0709 03015G25KT 1200 SHSN SCT006 SCT015CB=

050 15966 Meteorological Information

Moderate snow showers or heavy snow Light snow or moderate snow showers Moderate snow showers or no significant weather Heavy snow or no significant weather

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22-Which of these four METAR reports suggests that a thunderstorm is likely in the next few hours?

050 13817 Wind Uncategorized

201350Z 16004KT 8000 SCT110 OVC220 02/M02 Q1008 NOSIG = 201350Z 04012KT 3000 BR OVC012 04/03 Q1022 BECMG 6000 = 201350Z 21005KT 9999 SCT040CB SCT100 26/18 Q1016 TEMPO 24018G30KT TS = 201350Z 34003KT 0800 SN VV002 M02/M04 Q1014 NOSIG =

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23-Which of these four METAR reports suggests that a thunderstorm is likely in the next few hours?

050 2596 Uncategorized Wind

201350Z 21005KT 9999 SCT040CB SCT100 26/18 Q1016 TEMPO 24018G30KT TS = 201350Z 34003KT 0800 SN VV002 M02/M04 Q1014 NOSIG = 201350Z 04012KT 3000 BR OVC012 04/03 Q1022 BECMG 6000 = 201350Z 16004KT 8000 SCT110 OVC220 02/M02 Q1008 NOSIG =

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24-You are flying from east to west in the northern hemisphere at the 500 hPa pressure surface. Which of the following statements is correct?

050 4066 Wind

If the wind is from the north you are gaining altitude If the wind is from the south you are gaining altitude If you have a tail wind you are losing altitude If you have a head wind you are gaining altitude

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25-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 ?

050 4163 Wind Uncategorized

It decreases It remains constant Without knowing temperatures at FL 180 this question can not be answered. It increases

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26-In which of the following METAR is the probability the biggest for the formation of fog the following night?

050 1

1850Z 15003KT 6000 SCT120 05/04 Q1032 BECMG 1600 = 1850Z 25010KT 4000 RA BKN012 OBC030 12/10 Q1006 TEMPO 1500 = 1850Z 21003KT 8000 SCT250 12/M08 Q1028 NOSIG = 1850Z 06018G30KT 5000 OVC010 04/01 Q1024 NOSIG =

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27-Which of the following statements is correct?

050 10967 Thermodynamics

The principle of the Bergeron-Findeisen process is mainly based on the difference in size of the cloud elements At mid-latitudes the coalescense process is usually the initial process in the formation of precipitation In the tropics stratiform precipitation does not occur The Bergeron-Findeisen process is mainly based on the difference of maximum vapour pressure over water and over ice of the same temperature

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28-Which of the following statements is correct?

050 15795 Thermodynamics

Cumulus clouds and a good visibility are normally observed in a warm sector in winter. At warm fronts thunderstorms are often observed. Normally atmospheric pressure stops falling rapidly behind a warm front, the air temperature rises. Cumulus clouds and a good visibility are normally observed in a warm sector in autumn.

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29-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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30-Which of the following statements is correct?

050 13825 Thermodynamics

Above the tropopause no turbulence occurs Mountain waves are always accompanied by rotor clouds Airframe icing can occur in clear air Haze is a reduction of visibility due to the presence of water vapour

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31-Which of the following statements is correct?

050 13824 Thermodynamics

FG is reported only when visibility is reduced by water droplets or ice crystals to less than 1000 m HZ is reported only when visibility is reduced to 2000 m or less When BR is reported then the visibility is more than 1000 m but less than 8000 m VC denotes not at the aerodrome but not within 8 nm

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32-Which of the following statements is correct?

050 13823 Thermodynamics

At warm fronts thunderstorms are often observed. Normally atmospheric pressure stops falling rapidly behind a warm front, the air temperature rises. Cumulus clouds and a good visibility are normally observed in a warm sector in winter. Cumulus clouds and a good visibility are normally observed in a warm sector in autumn.

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33-Which of these four METAR reports suggests that rain is most likely in the next few hours?

050 2595 Wind Uncategorized

05016G33KT 8000 OVC015 08/06 Q1028 NOSIG = 16002KT 0100 FG SCT300 06/06 Q1022 BECMG 1000 = 23015KT 8000 BKN030 OVC070 17/14 Q1009 BECMG 4000 = 34004KT 9999 SCT040 SCT100 m05/m08 Q1014 NOSIG =

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34-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14948 Wind

The true altitude will be higher over B than over Paris Wind speed over A is higher than over B The true altitude will be higher over B than over A Wind speed over B is higher than over Paris

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35-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14946 Wind

The true altitude will be higher over B than over Melbourne Wind speed over A is higher than over B The true altitude will be higher over A than over B Wind speed over B is higher than over A

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36-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14944 Wind

Wind speed over B is higher than over A The true altitude will be higher over A than over Madrid The true altitude will be higher over A than over B Wind speed over A is higher than over B

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37-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

050 14947 Wind

Wind speed over B is higher than over A The true altitude will be higher over B than over London Wind speed over A is higher than over B The true altitude will be higher over B than over A

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38-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?

050 14943 Wind

The true altitude remains constant. The true altitude is increasing. A statement on altitude changes cannot be given without information on temperature. The true altitude is decreasing.

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39-From the following TAF you can assume that visibility at 2055Z in Birmingham (EGBB) will be :
EGBB 261812 28015G25KT 9999 SCT025 TEMPO 1822 29018G35KT 5000 SHRASN BKN010CB PROB30 TEMPO 1821 1500 TSGR BKN008CB BECMG 2124 26010KT

050 2178 Meteorological Information

a minimum of 1,5 km and a maximum of 5 km. not less than 1,5 km but could be in excess of 10 km. more than 10 km a maximum 5 km.

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40-How long from the time of observation is a TREND in a METAR valid?

050 1999 Meteorological Information

2 hours. 30 minutes. 9 hours. 1 hour.

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41-How long from the time of observation is a TREND in a METAR valid?

050 1

1 hour. 2 hours. 30 minutes. 9 hours.

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42-In which of the following METAR reports is the probability of fog formation in the coming night the highest?

050 13693 Meteorological Information

201850Z 25010KT 4000 RA BKN012 OVC030 12/10 Q1006 TEMPO 1500= 201850Z 06018G30KT 5000 -RA OVC010 04/01 Q1024 NOSIG= 201850Z 15003KT 6000 SCT120 05/04 Q1032 BECMG 1600 BR= 201850Z 21003KT 8000 SCT250 12/m08 Q1028 NOSIG=

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43-In which of the following METAR reports is the probability of fog formation in the coming night the highest?

050 2597 Meteorological Information

201850Z 15003KT 6000 SCT120 05/04 Q1032 BECMG 1600 BR= 201850Z 25010KT 4000 RA BKN012 OVC030 12/10 Q1006 TEMPO 1500= 201850Z 06018G30KT 5000 -RA OVC010 04/01 Q1024 NOSIG= 201850Z 21003KT 8000 SCT250 12/m08 Q1028 NOSIG=

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44-TAF EHAM 142300Z 150009 33005KT 9999 SCT025 BKN100 BECMG 0002 27015KT 4500 -SN SCT008 OVC015 TEMPO 0206 0400 +SN VV002 BECMG 0406 01008KT 9999 NSW SCT030 TEMPO 0709 03015G25KT 1200 SNSH SCT006 SCT015CB= What is the expected visibility at 0300 UTC?

050 14149 Meteorological Information

Between 4500 m and 10 km or more 4500 m Between 400 m and 4500 m Between 400 m and 10 km or more

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45-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 ?

050 2537 Wind

27020KT 30025KT 33025KT 23030KT

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46-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?

050 2536 Wind

17015KT 16030KT 19040KT 14020KT

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47-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 ?

050 2535 Wind

11020KT 08005KT 08015KT 05020KT

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48-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 ?

050 2534 Wind

16020KT 22010KT 25025KT 22030KT

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49-At which airport, is the following weather development taking place? TAF 060600Z 060716 25006KT 8000 BKN240 BECMG 0710 OVC200 BECMG 1013 23010KT 8000 OVC100 BECMG 1316 23014KT 6000 RA SCT030 OVC050 =

050 1629 Meteorological Information

EDDL LEMD LOWW LFPO

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50-The lowest cloud base forecast at ETA Zurich (1200 UTC) is:
LSZH 061019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

050 1767 Meteorological Information

5000 FT. 1500 FT. 1500 m. 1000 FT.

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51-The lowest visibility forecast at ETA Zurich 1430 UTC is:
LSZH 261019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

050 1766 Meteorological Information

4 km. 10 km. 6 NM. 6 km.

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52-The following temperatures have been observed over a station at 1200 UTC. Assume the station is at MSL. Height in feet. Temperature in degrees C. 20000.-12 18000.-11 16000.-10 14000.-10 12000.-6 10000.-2 8000. +2 6000. +6 4000. +12 2000. +15 surface+15. Which of the following statements is correct ?

050 4134 Uncategorized Wind

The temperature at 10000 FT is in agreement with the temperature in the International Standard Atmosphere. The layer between 16000 and 18000 FT is absolutely unstable Assuming that the MSL pressure is 1013.25 hPa the true altitude of an aircraft would actually be higher than the indicated altitude. The height of the freezing level over the station is approximately 12000 FT.

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53-TAF LSZH 250600Z 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BR BKN005 TEMPO 1316 6000 SCT007 = Which of these statements best describes the weather that can be expected at 1200 UTC?

050 12827 Wind Uncategorized

Visibility 800 metres, fog, wind from 230°, cloud base 500 feet Visibility 800 metres, fog, vertical visibility 200 feet, calm Visibility 6 kilometres, cloud base 500 feet, wind speed 5 knots Visibility 2,5 kilometres, mist, cloud base 500 feet, wind speed 5 knots

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54-TAF LSZH 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BKN005 TEMPO 1316 6000 SCT007 =
Which of these statements best describes the weather that can be expected at 1200 UTC?

050 2599 Uncategorized Wind

Visibility 2,5 kilometres, cloudbase 500 feet, windspeed 5 knots Visibility 800 metres, wind from 230°, cloudbase 500 feet Visibility 6 kilometres, cloudbase 500 feet, windspeed 5 knots Visibility 800 metres, vertical visibility 200 feet, calm

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55-Which of these statements best describes the weather most likely to be experienced at 1500 UTC?
TAF LSZH 211322 22018G35KT 9999 SCT012 BKN030 BECMG 1315 25025G45KT TEMPO 1720 4000 +SHRA BKN025TCU BECMG 2022 25015KT T1815Z T1618Z =

050 2598 Meteorological Information

Severe rainshowers, meteorological visibility 4000 metres, temperature 15°C, gusts up to 35 knots. Visibility 10 kilometres or more, main cloudbase 1200 feet, gusts up to 45 knots. Visibility 10 kilometres or more, main cloudbase 3000 feet, wind 250°, temperature 18°C. Visibility 4000 metres, gusts up to 25 knots, temperature 18°C.

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56-During a descent from 2000 FT above the surface to the surface (no frontal passage, northern hemisphere), the wind normally

050 4061 Wind

veers and decreases veers and increases backs and increases backs and decreases

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57-Which of the following statements is correct concerning the mediterranean climate?

050 16314 Climatology

The annual rainfall is significantly below 700mm It is not influenced by the westerlies In winter it is influenced only by the subtropical high pressure belt Hot summers alternate with cold winters

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58-Which of the following is correct regarding a warm anticyclone?

050 15666 Pressure Systems

It weakens with altitude. It remains the same strength up to the tropopause. Apart from a surface inversion, the temperature increases with increasing altitude. It increases in intensity with increasing altitude.

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59-With regard to temperature, which of the following is correct for the polar climates?

050 16856 Climatology

The mean temperature of the warmest month is 10°C or above, and of the coldest month below minus 3°C. The mean temperature of all months is above 0°C, but temperatures as high as plus 10°C will never be reached. The mean temperature of all months is below plus 10°C. The mean temperature of all months is below minus 10°C.

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60-Which of the following is correct regarding geostrophic wind?

050 16390 Wind

It blows parallel to straight equidistant isobars. It is the wind resulting from the vector sum of gradient wind and surface wind, such that the geostrophic wind normally blows at an angle of 20-45 degrees relative to the isobars. It blows across the isobars from high to low pressure. It blows parallel to curved isobars.

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61-Which of the following statements concerning the tropopause is correct?

050 13818 The Atmosphere

The temperature remains constant above and below the tropopause. The temperature lapse rate changes abruptly at the tropopause. The temperature of the tropopause at the equator and at the poles is equal. The temperature of the tropopause at the equator is higher than at the poles.

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62-Which of the following statements is correct concerning the geostrophic wind?

050 14265 Wind

A horizontal temperature difference of at least 5 degrees Celsius per 100 km is required to have geostrophic wind conditions. It is present in a pressure system consisting of curved and non-parallel isobars. It is only present in the friction layer. It is present at latitudes higher than about 15 degrees north/south.

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63-Which of the following statements concerning the tropopause is correct?

050 14937 The Atmosphere

The temperature remains constant above and below the tropopause. The temperature of the tropopause at the equator is higher than at the poles. The temperature of the tropopause at the equator and at the poles is equal. The temperature lapse rate changes abruptly at the tropopause.

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64-Which of the following statements is correct concerning the geostrophic wind?

050 14894 Wind

It is present at latitudes higher than about 15 degrees north/south. A horizontal temperature difference of at least 5 degrees Celsius per 100 km is required to have geostrophic wind conditions. It is only present in the friction layer. It is present in a pressure system consisting of curved and non-parallel isobars.

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65-Which of the following statements is correct concerning the savannah climate?

050 14958 Climatology

Little or no rainfall occurs The annual mean temperature is above 25°C There are significant yearly variations in rainfall with a wet and a dry period There are no significant yearly variations in rainfall but there are constant daily variations

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66-Which of the following statements concerning jet streams is correct?

050 4161 Wind Uncategorized

In the southern hemisphere only easterly jet streams occur In the northern hemisphere only westerly jet streams occur In the northern hemisphere both westerly and easterly jet streams occur In the southern hemisphere no jet streams occur

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67-Which of the following statements concerning trade winds is correct?

050 4176 Climatology

They occur only in the lower part of the troposphere and more pronounced over the oceans They reach up to the tropopause and are more pronounced over the oceans They occur only in the lower part of the troposphere and are more pronounced over the continents They reach up to the tropopause and are more pronounced over the continents

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68-In relation to 'air density' which of the following responses are correct:

050 1

Dry warm air is less dense than cold air. Cold air is less dense than warm air. If the temperature is decreasing the air density will decrease Air density is not influenced of air humidity.

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69-In which of the following 1850 UTC METAR reports, is the probability of fog formation, in the coming night, the highest?

050 1625 Meteorological Information

00000KT 9999 SCT300 21/01 Q1032 NOSIG = VRB01KT 8000 SCT250 11/10 Q1028 BECMG 3000 BR = 22004KT 6000 -RA SCT012 OVC030 17/14 Q1009 NOSIG = VRB02KT 2500 HZ SCT120 14/M08 Q1035 NOSIG =

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70-According to the following 1850 UTC METAR reports, which has the highest probability of fog formation?

050 1

00000KT 9999 SCT300 21/01 Q1032 NOSIG = 22004KT 6000 -RA SCT012 OVC030 17/14 Q1009 NOSIG = VRB01KT 8000 SCT025 11/10 Q1028 BECMG 3000 = VRB02KT 2500 SCT120 14/M08 Q1035 NOSIG =

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71-What is the lowest cloud base that can be expected from the forecast for 1500 UTC ? KCHS 280430Z 280606 VRB05KT 4000 BR SCT005 OVC013 PROB40 SHRA BECMG 1314 9000 SHRA OVC015 PROB40 TEMPO 1416 VRB15G25KT 1600 TSRA OVC010CB BECMG 1618 26010KT BKN030 BECMG 2122 CAVOK.

050 14151 Meteorological Information

3000 feet 1500 feet 1000 feet 1300 feet

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72-Which of the following statements is an interpretation of the SIGMET ? LGGG SIGMET 3 VALID 121420/121820 LGAT- ATHINAI FIR EMBD TS OBS AND FCST IN W PART MOV E NC =

050 2605 Uncategorized Wind

Athens Airport is closed due to thunderstorms. The thunderstorm zone should be east of Athens by 1820 UTC The thunderstorms in the Athens FIR are increasing in intensity, but are stationary above the western part of the Athens FIR Thunderstorms must be expected in the western part of the Athens FIR. The thunderstorm zone is moving east. Intensity is constant Thunderstorms have formed in the eastern part of the Athens FIR and are slowly moving west

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73-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 ?

050 1092 Wind

From the left and slightly on the nose From the left and slightly on the tail From the right and slightly on the nose From the right and slightly on the tail

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74-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA minus airport elevation equals: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

050 13819 Meteorological Information

LSZH VRB02KT 9000 BKN080 21/14 Q1022 NOSIG= LSGG 22006KT 9999 BKN090 17/15 Q1008 RERA NOSIG= LFSB 24008KT 9999 SCT050 18/11 Q1017 RERA NOSIG= LSZB 28012KT 9999 OVC100 16/12 Q1012 BECMG 5000 -RA=

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75-Which of the following extracts of weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA minus airport elevation equals: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

050 1626 Uncategorized Wind

LFSB 00000KT 9000 SCT080 22/15 Q1022 NOSIG = LSGG 22003KT 9999 SCT120 BKN280 09/08 Q1026 BECMG 5000 BR = LSZB 30004KT 9999 SCT090 10/09 Q1006 NOSIG = LSZH 26024G52KT 9999 BKN060 17/14 Q1012 RETS TEMPO 5000 TSRA =

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76-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA above ground : LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

050 1

LSZH VRB02KT 9000 BKN080 21/14 Q1022 NOSIG = LSZB 28012KT 9999 OVC100 16/12 Q1012 NOSIG = LSGG 22006KT 9999 BKN090 17/15 Q1008 RERA NOSIG = LFSB 24008KT 9999 SCT050 18/11 Q1017 RERA NOSIG =

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77-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA above ground: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

050 1

LSGG 22003KT 9999 SCT120 BKN200 09/08 Q1026 NOSIG = LFSB 00000KT 9000 SCT080 22/15 Q1022 NOSIG = LSZH 26024G52KT 9999 BKN060 17/14 Q1012 RETS TEMPO 5000 TSRA = LSZB 30004KT 9999 SCT090 10/09 Q1006 NOSIG =

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78-In order to calculate QFE from QNH, which of the following must be known ?

050 59 The Atmosphere

Temperature at the airfield. Elevation and the temperature at the airfield. Elevation of the airfield and the temperature at MSL. Elevation of the airfield.

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79-From which of the following pieces of information can the stability of the atmosphere be derived?

050 4154 The Atmosphere

Surface temperature Pressure at the surface Environmental lapse rate Dry adiabatic lapse rate

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80-In order to calculate QFE from QNH, which of the following must be known ?

050 1

Elevation of the airfield and the temperature at MSL. Temperature at the airfield. Elevation and the temperature at the airfield. Elevation of the airfield.

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81-Which of the following statements about lightnings and lightning strikes is correct?

050 12791 Flight Hazards

Compasses and electronics are always affected Spherical lightnings often penetrate into aircraft Lightning strikes always cause heavy damage The aircraft is temporarily part of the lightning trajectory

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82-Which of the following is correct regarding a cold high pressure area?

050 15667 Pressure Systems

It will increase in intensity with increasing altitude. It will decrease in intensity with increasing altitude. Both temperature and pressure will remain constant with increasing altitude. Apart from a surface inversion, the temperature will increase with increasing altitude.

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83-Which of the following statements concerning an isothermal layer in the atmosphere is correct?

050 15610 The Atmosphere

Air parcels that are forced to rise through an isothermal layer keep the same temperature. The vertical temperature gradient lies between the dry and saturated adiabatic lapse rates. An isothermal layer is formed when the air in the layer is well mixed by turbulence. An isothermal layer is absolutely stable.

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84-Which of the following statements concerning a cold air pool is correct?

050 15778 Climatology

Direction and speed of movements of cold air pools are difficult to forecast Cold air pools normally disappear at night During summer cold air pools are more active over the sea than over land areas Cold air pools can only be active for several hours

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85-Which of the following statements concerning airborne weather radar is correct?

050 16392 Meteorological Information

It can also be used for proximity warning and anti-collision protection. It shows on a plan position indicator the areas of precipitation of rain, snow and/or hail. It shows the areas which are dangerous for aircraft icing. The intensity levels for aircraft icing as defined by ICAO are indicated by contour lines. The indication on the plan position indicator represents the amount (mm/h) of water vapour within clouds.

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86-Which of the following statements is correct concerning rotors below the crest of a mountain wave?

050 16770 Flight Hazards

The rotors are always visible by the presence of rotor clouds. The wind direction at the top of the rotors is opposite to the prevailing wind direction. The wind direction at the lower side of the rotors is opposite to the prevailing wind direction. The axis of these rotors is vertical.

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87-Which of the following statements concerning the airflow during the summer monsoon is correct?

050 16519 Climatology

Northeasterly airflow over India Easterly airflow over Japan Westerly airflow over Japan Southwesterly airflow over India

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88-Which of the following statements is correct concerning the weather in a warm sector?

050 16502 Air Masses and Fronts

Isolated air mass thunderstorms are common during all seasons over continental areas Isolated thunderstorms are sometimes possible over continental areas during the summer In mid- and high latitudes thunderstorms may occur only over open sea during the summer No thunderstorms can occur

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89-Which of the following is correct regarding the wind speed in a jet stream in the northern hemisphere?

050 15081 Wind

With colder air ahead when looking downwind, the wind speed increases with height, while with the colder air behind the wind speed decreases with height. With colder air to the left when looking upwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height. With colder air behind when looking downwind, the windspeed increases with height, while with the colder air ahead the windspeed decreases with height. With colder air to the left when looking downwind, the wind speed increases with height, while with the colder air to the right the wind speed decreases with height.

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90-Which of the following combinations of pressure and temperature is correct in the ICAO standard atmosphere?

050 15486 The Atmosphere

700 hPa -8.4°C 300 hPa -50.5°C 200 hPa -62.3°C 500 hPa -21.1°C

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91-Which of the following statements is correct regarding the variation of wind with height?

050 14957 Wind

The wind strength normally increases by a factor of 2 per 500 feet up to the 700 hPa level. The wind normally veers during climb out through the first 2000-3000 feet in the northern hemisphere. The wind normally backs during climb out through the first 2000-3000 feet in the northern hemisphere. The wind strength normally increases by a factor of 2 per 1000 feet up to the 850 hPa level.

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92-Which of the following statements regarding the development of valley inversions is correct?

050 15032 Flight Hazards

The predominant factor in the development process of valley inversions is the non-uniformity of incident solar radiation due to orographic conditions in combination with density variations within the air. The most important prerequisite for the development of valley inversions is warm air ascending along the mountain slope, thus leaving cooler air behind in the bottom of the valley. Usually a valley inversion is initiated by radiation cooling and anabatic winds which are due to orographic conditions. Valley inversions often are a result of radiation cooling in combination with gravity, both affecting the air at the surface of a mountain slope.

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93-A parcel of rising air stays unsaturated. Which of the following statements is correct?

050 1583 Thermodynamics

Relative humidity decreases, mixing ratio remains unchanged Relative humidity increases, temperature decreases Relative humidity and mixing ratio remain unchanged Mixing ratio increases, temperature decreases

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94-Which one of the following statements regarding the intertropical convergence zone (ITCZ) is correct?

050 1275 Climatology

The ITCZ does not change its position during the course of the year. Thunderstorms seldom occur within the area of the ITCZ. Frequent and widespread thunderstorms are to be expected within the area of the ITCZ. The ITCZ is always associated with a strong jet stream.

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95-Which of the following statements concerning the lifting of a parcel of air is correct ?

050 4025 Thermodynamics

Saturated parcels always cool at a rate of 0.65°C per 100m Unsaturated parcels cool more rapidly than saturated parcels Unsaturated parcels cool at a rate of 0.65°C per 100m Unsaturated parcels cool less rapidly than saturated parcels

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96-Which of the following statements concerning the core of a polar front jet stream is correct ?

050 4173 Wind

It lies in the cold air; the wind reverses direction at the height of the core It lies at a height where there is no horizontal temperature gradient; the slope of the pressure surfaces at the height of the core is at its maximum It lies in the warm air; its pressure surfaces are horizontal at the height of the core It and its surface projection lie in the warm air

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97-Which one of the following statements concerning the formation of aircraft icing is most correct ?

050 3486 Flight Hazards

Risk for icing increases when cloud temperature decreases well below minus 12 degrees C. A cloud consisting of both supercooled water droplets and ice crystals produces aircraft icing Probability of icing increases when dry snow starts to fall from a cloud. Greatest risk of icing conditions is experienced in cirrus clouds.

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98-Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What lowest cloud base is forecast for arrival at Amsterdam? TAF EHAM 281500Z 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW BKN020 =

050 14148 Uncategorized Wind

800 FT 250 FT 500 FT 500 m

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99-Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What is the minimum visibility forecast for ETA Amsterdam ? TAF EHAM 281500Z 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW BKN020 =

050 14147 Uncategorized Wind

6 km 5 NM 3 km 5 km

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100-Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What lowest cloud base is forecast for arrival at Amsterdam?
TAF EHAM 281500Z 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW

050 1680 Meteorological Information

250 FT 500 m 500 FT 800 FT

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1-Which of the four answers is a correct interpretation of data from the following METAR ? LSZH 050820Z 16003KT 0400 R14/P1500 R16/1000 FZFG VV003 M02/M02 Q1026 BECMG 2000 BR =

2-Which of the following statements is an interpretation of the METAR ? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =

3-Which of the following statements is an interpretation of the METAR ? 00000KT 0200 R14/0800U R16/P1500U FZFG VV001 m03/m03 Q1022 BECMG 0800 =

4-Which of the following statements is an interpretation of the METAR? LTXX 010120Z 00000KT 0200 R14/0800 R16/P1500 FZFG VV001 M03/M03 Q1022 BECMG 0800 =

5-Which of the following statements is an interpretation of the METAR ? 25020G38KT 1200 +TSGR BKN006 BKN015CB 23/18 Q1016 BECMG NSW =

6-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the "BECMG" data indicate for the 18 to 21 hour time frame?

7-Given the following METAR: EDDM 250850Z 33005KT 2000 R26R/P1500N R26L/1500N BR SCT002 OVC003 05/05 Q1025 NOSIG Which of the following statements is correct ?

8-Does the following report make sense? METAR LSZH 182320Z VRB02KT 5000 MIFG 02/02 Q1015 NOSIG

9-You receive the following METAR: LSGG 120750Z 00000KT 0300 R05/0700N FG VV001 M02/M02 Q1014 NOSIG = What will be the RVR at 0900 UTC?

10-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the abbreviation "BKN004" mean?

11-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What does the abbreviation "VV001" mean?

12-Refer to the following TAF extract: BECMG 1821 2000 BR BKN004 BECMG 2124 0500 FG VV001 What visibility is forecast for 2400 UTC?

13-Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What does the abbreviation "VV001" mean?

14-Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What visibility is forecast for 2400 UTC?

15-Which interpretation of the following message is correct?LFLD AD WRNG 1 VALID 050430/050900FROST FCST=

16-Which of the following statements is an interpretation of the SIGMET ? LSAS SIGMET 2 VALID 030700/031100 LSZH- SWITZERLAND FIR/UIR MOD TO SEV CAT FCST N OF ALPS BTN FL 260/380 STNR INTSF=

17-Refer to the following TAF extract; BECMG 1821 2000 BR BKN004 PROB30 TEMPO 2124 0500 FG VV001 What does the abbreviation "PROB30" mean?

18-The following weather message EDDM 241200Z 241322 VRB03KT 1500 BR OVC004 BECMG 1517 00000KT 0500 FG VV002 TEMPO 2022 0400 FG VV001 is a:

19-Refer to the following TAF message. LFxx 180800Z 180918 22020KT 6000 SCT015 SCT080 BECMG 1214 24025KT 2000 RA BKN009 OVC070= At 1400 UTC, the lowest cloud base will be

20-The code: BECMG FM 1100 -SHRA when used in a METAR means:

21-In the following TAF, what is the forecast weather at 0800 UTC?TAF EHAM 152300Z 160009 33005KT 9999 SCT025 BKN100 BECMG 0002 27015KT 4500 -SN SCT008 OVC015 TEMPO 0206 0400 +SN VV002 BECMG 0406 01008KT 9999 NSW SCT030 TEMPO 0709 03015G25KT 1200 SHSN SCT006 SCT015CB=

22-Which of these four METAR reports suggests that a thunderstorm is likely in the next few hours?

23-Which of these four METAR reports suggests that a thunderstorm is likely in the next few hours?

24-You are flying from east to west in the northern hemisphere at the 500 hPa pressure surface. Which of the following statements is correct?

25-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 ?

26-In which of the following METAR is the probability the biggest for the formation of fog the following night?

27-Which of the following statements is correct?

28-Which of the following statements is correct?

29-Which of the following statements is correct?

30-Which of the following statements is correct?

31-Which of the following statements is correct?

32-Which of the following statements is correct?

33-Which of these four METAR reports suggests that rain is most likely in the next few hours?

34-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

35-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

36-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

37-An aircraft is flying from Point A to Point B at the flight level corresponding to the pressure surface of the constant pressure chart. Which of the following statements is correct?

38-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?

39-From the following TAF you can assume that visibility at 2055Z in Birmingham (EGBB) will be :EGBB 261812 28015G25KT 9999 SCT025 TEMPO 1822 29018G35KT 5000 SHRASN BKN010CB PROB30 TEMPO 1821 1500 TSGR BKN008CB BECMG 2124 26010KT

40-How long from the time of observation is a TREND in a METAR valid?

41-How long from the time of observation is a TREND in a METAR valid?

42-In which of the following METAR reports is the probability of fog formation in the coming night the highest?

43-In which of the following METAR reports is the probability of fog formation in the coming night the highest?

44-TAF EHAM 142300Z 150009 33005KT 9999 SCT025 BKN100 BECMG 0002 27015KT 4500 -SN SCT008 OVC015 TEMPO 0206 0400 +SN VV002 BECMG 0406 01008KT 9999 NSW SCT030 TEMPO 0709 03015G25KT 1200 SNSH SCT006 SCT015CB= What is the expected visibility at 0300 UTC?

45-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 ?

46-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?

47-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 ?

48-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 ?

49-At which airport, is the following weather development taking place? TAF 060600Z 060716 25006KT 8000 BKN240 BECMG 0710 OVC200 BECMG 1013 23010KT 8000 OVC100 BECMG 1316 23014KT 6000 RA SCT030 OVC050 =

50-The lowest cloud base forecast at ETA Zurich (1200 UTC) is:LSZH 061019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

51-The lowest visibility forecast at ETA Zurich 1430 UTC is:LSZH 261019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

53-TAF LSZH 250600Z 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BR BKN005 TEMPO 1316 6000 SCT007 = Which of these statements best describes the weather that can be expected at 1200 UTC?

54-TAF LSZH 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BKN005 TEMPO 1316 6000 SCT007 =Which of these statements best describes the weather that can be expected at 1200 UTC?

55-Which of these statements best describes the weather most likely to be experienced at 1500 UTC?TAF LSZH 211322 22018G35KT 9999 SCT012 BKN030 BECMG 1315 25025G45KT TEMPO 1720 4000 +SHRA BKN025TCU BECMG 2022 25015KT T1815Z T1618Z =

56-During a descent from 2000 FT above the surface to the surface (no frontal passage, northern hemisphere), the wind normally

57-Which of the following statements is correct concerning the mediterranean climate?

58-Which of the following is correct regarding a warm anticyclone?

59-With regard to temperature, which of the following is correct for the polar climates?

60-Which of the following is correct regarding geostrophic wind?

61-Which of the following statements concerning the tropopause is correct?

62-Which of the following statements is correct concerning the geostrophic wind?

63-Which of the following statements concerning the tropopause is correct?

64-Which of the following statements is correct concerning the geostrophic wind?

65-Which of the following statements is correct concerning the savannah climate?

66-Which of the following statements concerning jet streams is correct?

67-Which of the following statements concerning trade winds is correct?

68-In relation to 'air density' which of the following responses are correct:

69-In which of the following 1850 UTC METAR reports, is the probability of fog formation, in the coming night, the highest?

70-According to the following 1850 UTC METAR reports, which has the highest probability of fog formation?

71-What is the lowest cloud base that can be expected from the forecast for 1500 UTC ? KCHS 280430Z 280606 VRB05KT 4000 BR SCT005 OVC013 PROB40 SHRA BECMG 1314 9000 SHRA OVC015 PROB40 TEMPO 1416 VRB15G25KT 1600 TSRA OVC010CB BECMG 1618 26010KT BKN030 BECMG 2122 CAVOK.

72-Which of the following statements is an interpretation of the SIGMET ? LGGG SIGMET 3 VALID 121420/121820 LGAT- ATHINAI FIR EMBD TS OBS AND FCST IN W PART MOV E NC =

73-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 ?

74-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA minus airport elevation equals: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

75-Which of the following extracts of weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA minus airport elevation equals: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

76-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA above ground : LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

77-Which of the following weather reports could be, in accordance with the regulations, abbreviated to "CAVOK"? (MSA above ground: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

78-In order to calculate QFE from QNH, which of the following must be known ?

79-From which of the following pieces of information can the stability of the atmosphere be derived?

15-Which interpretation of the following message is correct?
LFLD AD WRNG 1 VALID 050430/050900
FROST FCST=

21-In the following TAF, what is the forecast weather at 0800 UTC?
TAF EHAM 152300Z 160009 33005KT 9999 SCT025 BKN100 BECMG 0002 27015KT 4500 -SN SCT008 OVC015 TEMPO 0206 0400 +SN VV002 BECMG 0406 01008KT 9999 NSW SCT030 TEMPO 0709 03015G25KT 1200 SHSN SCT006 SCT015CB=

39-From the following TAF you can assume that visibility at 2055Z in Birmingham (EGBB) will be :
EGBB 261812 28015G25KT 9999 SCT025 TEMPO 1822 29018G35KT 5000 SHRASN BKN010CB PROB30 TEMPO 1821 1500 TSGR BKN008CB BECMG 2124 26010KT

50-The lowest cloud base forecast at ETA Zurich (1200 UTC) is:
LSZH 061019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

51-The lowest visibility forecast at ETA Zurich 1430 UTC is:
LSZH 261019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010=

54-TAF LSZH 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BKN005 TEMPO 1316 6000 SCT007 =
Which of these statements best describes the weather that can be expected at 1200 UTC?

55-Which of these statements best describes the weather most likely to be experienced at 1500 UTC?
TAF LSZH 211322 22018G35KT 9999 SCT012 BKN030 BECMG 1315 25025G45KT TEMPO 1720 4000 +SHRA BKN025TCU BECMG 2022 25015KT T1815Z T1618Z =

100-Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What lowest cloud base is forecast for arrival at Amsterdam?
TAF EHAM 281500Z 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW