Index - Atpl Campus

100 item has been found

1-BECMG 1820 BKN030 in a TAF means:

050 1

becoming from 1820 UTC 5-7 oktas of cloud at 3000 ft. agl. becoming between 1800 UTC and 2000 UTC 3-4 oktas of cloud at 300 ft. agl. becoming from 1820 UTC 3-4 oktas of cloud at 300 ft. agl. becoming between 1800 UTC and 2000 UTC 5-7 oktas of cloud at 3000 ft. agl.

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2-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?

050 2049 Flight Hazards

Yes, but only between 3000 and 4000 FT/AGL. No, absolutely no icing will occur. Yes, between ground level and 3000 FT/AGL. No, flights clear of cloud experience no icing.

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3-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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4-Decode the cloud bases being described in this METAR for an aerodrome: 261450Z 07007KT 9999 FEW035 SCT043 BKN240 21/12 Q1016 NOSIG =

050 1

1-2 oktas at 3500 ft., 2-3 oktas at 4300 ft., 5-8 oktas at 24000 ft. 1-2 oktas at 3500 ft., 3-4 oktas at 4300 ft., 5-7 oktas at 24000 ft. 2-3 oktas at 3500 ft., 4-5 oktas at 4300 ft., 6-7 oktas at 24000 ft. 1-2 oktas at 350 ft., 3-4 oktas at 430 ft., 5-7 oktas at 2400 ft.

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5-8/8 stratus base 200 FT/AGL is observed at sunrise at an aerodrome in the north of France; the QNH is 1028 hPa and there is a variable wind of 3 kt. What change in these clouds is likely at 1200 UTC in summer and winter?

050 1765 Meteorological Information

Winter: SCT, base 3000 FT/AGL; summer: OVC, base 500 FT/AGL. Winter: OVC, base 500 FT/AGL; summer: SCT, base 3000 FT/AGL. Winter: BKN, base 2500 FT/AGL; summer: BKN, base 3500 FT/AGL. Winter: clear sky; summer: BKN CB, base 1500 FT/AGL.

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6-8/8 stratus base 200 FT/AGL is observed at sunrise at an aerodrome in the north of France; the QNH is 1028 hPa and there is a variable wind of 3 kt. What change in these clouds is likely at 1200 UTC in summer and winter?

050 13690 Meteorological Information

Winter: clear sky; summer: BKN CB, base 1500 FT/AGL. Winter: OVC, base 500 FT/AGL; summer: SCT, base 3000 FT/AGL. Winter: SCT, base 3000 FT/AGL; summer: OVC, base 500 FT/AGL. Winter: BKN, base 2500 FT/AGL; summer: BKN, base 3500 FT/AGL.

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7-Coriolis force in the Northern Hemisphere will cause moving air to be apparently deflected to:

050 1

the left and cause the wind to blow slightly across the isobars at about 2000 ft. agl. the right and cause the wind to blow slightly across the isobars at about 2000 ft. agl. the left and cause the wind to blow parallel to the isobars at about 2000 ft. agl. the right and cause the geostrophic wind to blow parallel to the isobars at about 2000 ft. agl.

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8-What does the abbreviation "BKN" mean?

050 1622 Meteorological Information

Nil significant cloud cover 3-4 Eights of the sky is cloud covered 5-7 Eights of the sky is cloud covered 3-5 Eights of the sky is cloud covered

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9-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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10-Over Amsterdam, what amount and general type of cloud would you expect at FL 160 ?

050 1701 CAT

4 oktas broken cumulus Mainly 5 to 8 oktas of stratiform cloud in layers 5 to 7 oktas towering cumuliform cloud and with moderate turbulence Isolated cumulonimbus only

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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 "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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12-How is a ceiling defined?

050 13642 Meteorological Information

Height above ground or water of the lowest layer of cloud independent on the amount of clouds. Height above ground or water of the lowest layer of cloud below 20000 ft covering more than half of the sky. Height above ground or water of the highest layer of cloud or obscuring phenomena aloft that covers 4 oktas or more of the sky. Height above ground or water of the lowest layer of cloud that contributes to the overall overcast.

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13-How is a ceiling defined?

050 15968 Meteorological Information

Height above ground or water of the lowest layer of cloud independent on the amount of clouds. Height above ground or water of the highest layer of cloud or obscuring phenomena aloft that covers 4 oktas or more of the sky. Height above ground or water of the lowest layer of cloud that contributes to the overall overcast. Height above ground or water of the lowest layer of cloud below 20000 ft covering more than half of the sky.

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14-Meteorological textual information defines the height of cloud bases as follows:

050 1

METAR - AMSL TAF - AGL METAR - AGL TAF - AGL METAR - AGL TAF - AMSL METAR - AMSL TAF - AMSL

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15-At Lyon (LFLY, N4545 E00500), at 1200 UTC, the sky is overcast with Stratocumulus and Altostratus and it is raining. Using the SWC in appendix, valid at 1200 UTC, we can estimate a weather improvement for Lyon

050 13689 CAT

1215 UTC 2100 UTC 0300 UTC the following day 1330 UTC

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16-What is the difference between BECOMING and TEMPO ?

050 1

BECOMING is permanent,TEMPO is temporary. BECOMING is valid for 1 hour,TEMPO is valid for 2 hours. TEMPO lasts 3 hours. BECOMING is certain, TEMPO is a forecast.

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17-In which of the following conditions is moderate to severe airframe icing most likely to be encountered?

050 1588 Clouds and Fog

In Nimbostratus cloud Within cloud of any type Below the freezing level in clear air In clear air above the freezing level

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18-Under which of these conditions is radiation fog most likely to form?

050 2550 Clouds and Fog

Very dry air Very low temperatures Little or no cloud Strong surface winds

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19-The most severe turbulent part of the mountain waves is;

050 1

Cap cloud Windward side of the mountain Lenticular cloud Roll cloud

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20-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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21-What is the meaning of the expression "FEW"?

050 10947 Meteorological Information

3 - 4 oktas. 8 oktas. 1 - 2 oktas. 5 - 7 oktas.

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22-To what extent is Munich covered by clouds ?

050 1702 CAT

3 to 5 oktas 1 to 4 oktas 5 to 8 oktas 5 to 7 oktas

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23-What is the meaning of the abbreviation "SCT" ?

050 1776 Meteorological Information

3 - 4 oktas 5 - 7 oktas 1 - 4 oktas 1 - 2 oktas

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24-The abbreviation BKN, with respect to cloud cover means:

050 1

3 - 4 oktas half cover 5 - 7 oktas 1 - 4 oktas

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25-For an aircraft making an approach to an airfield located in square 3B, the most likely weather conditions are

050 13570 Meteorological Information

scattered AC base 2000 FT, good visibility showers of rain and hail low cloud, mist moderate continuous rain

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26-Which of the following factors have the greatest effect on the formation of the various types of ice on an aircraft ?

050 4252 Flight Hazards

Relative humidity inside the cloud Aircraft speed and size of cloud droplets Aircraft speed and curvature of the airfoil Cloud temperature and droplet size

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27-Which of the following statements is true regarding moderate to severe airframe icing?

050 455 Flight Hazards

It always occurs in altostratus cloud It may occur in the uppermost levels of a cumulonimbus capillatus formation It is likely to occur in nimbostratus cloud It will occur in clear-sky conditions

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28-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?

050 1251 Wind

Moderate turbulence in NS cloud. Severe turbulence in CB cloud. Light turbulence in ST cloud. Light turbulence in CB cloud.

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29-Fair weather cumulus often is an indication of

050 4068 Wind

a high risk of thunderstorms turbulence at and below the cloud level smooth flying conditions below the cloud level poor visibility at surface

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30-When the temperature and dew point are less than one degree apart the weather conditions are most likely to be

050 4086 Clouds and Fog

unlimited visibility high scattered clouds fog or low cloud clear and cool

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31-An unstable air mass when forced to rise due to orographic lifting will produce:

050 1

Lenticular cloud. None, as the air will subside and warm adiabatically after the summit is passed. Cloud of extensive vertical development. Thick stratiform cloud, probably nimbostratus.

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32-Fair weather cumulus clouds often indicate:

050 1

Turbulence at and below the cloud level. Rain and strong winds. Fog. Smooth flying conditions.

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33-What weather condition occurs at the altitude where the dewpoint lapse rate and the dry adiabatic lapse rate converge?

050 1

Cloud reaches to the top Cloud bases form Precipitation starts Stable air changes to unstable air

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34-The diurnal variation of temperature is:

050 1

reduced anywhere by the presence of cloud. increased anywhere as wind speed increases. less over desert areas than over temperate grassland, greater over the sea than over land.

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35-In a mountain wave situation, the worst of the turbulence is most likely to be found when flying:

050 1

in the cap cloud. in or just below the roll cloud, in the lenticular cloud at about mid-height between the lenticular and roll cloud.

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36-You are flying north and the anvil of a CB directly ahead of you extends to the east. Which of the below is a better decision?

050 1

To penetrate inside the cloud. To circumnavigate through the east of the cloud. to fly directly below the cloud To circumnavigate through the west of the cloud.

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37-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?

050 12825 Uncategorized Wind

15100 ft 16920 ft 15620 ft 16360 ft

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38-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?

050 12824 Wind Uncategorized

18290 ft 21770 ft 19310 ft 20630 ft

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39-What is the lowest cloud base forecast for arrival at Geneva (ETA 1200 UTC)? TAF LSGG 020900Z 021019 18007KT 9999 SCT020 BKN100 BECMG 1114 8000 RA SCT010 OVC020 PROB30 TEMPO 1018 VRB10G25KT TSRA SCT005 BKN015CB=

050 12858 Meteorological Information

1000 m 1000 FT 500 FT 500 m

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40-What is the lowest probable cloud base forecast for ETA 1700 UTC at Kingston ? TAF MKJP 160000Z 160606 36010KT 9999 FEW025 BECMG 1315 14020G34KT FEW015CB SCT025 PROB30 TEMPO 1520 6000 +SHRA SCT010 BKN015CB BECMG 2301 34010KT FEW025=

050 12857 Meteorological Information

1000 m 1500 FT 1500 m 1000 FT

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41-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?

050 13640 Uncategorized Wind

4865 FT 4325 FT 3515 FT 4190 FT

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42-An aircraft maintains a constant indicated altitude of 7500 FT from A (270 FT/AMSL - QNH 1021 hPa) to B (1650 FT/AMSL - QNH 983 hPa). Assuming that the altimeter sub-scale setting remains unchanged at 1021 hPa, the actual height of the aircraft above the surface at B will be

050 10863 Wind Uncategorized

6474 FT 4824 FT 6876 FT 6204 FT

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43-An aircraft maintains a constant indicated altitude of 6500 FT from A (600 FT/AMSL - QNH 1012 hPa) to B (930 FT/AMSL - QNH 977 hPa). Assuming that the altimeter subscale setting remains unchanged at 1012 hPa, the actual height of the aircraft above the surface at B will be

050 10862 The Atmosphere

6515 FT 4625 FT 5225 FT 5555 FT

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44-An aircraft maintains a constant indicated altitude of 5500 FT from A (1050 FT/AMSL - QNH 968 hPa) to B (650 FT/AMSL - QNH 1016 hPa). Assuming that the altimeter subscale setting remains unchanged at 968 hPa, the actual height of the aircraft above the surface at B will be

050 10861 Uncategorized Wind

6146 FT 7446 FT 6796 FT 4854 FT

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45-An aircraft maintains a constant indicated altitude of 4500 FT from A (360 FT/AMSL - QNH 986 hPa) to B (690 FT/AMSL - QNH 1011 hPa). Assuming that the altimeter sub-scale setting remains unchanged at 986 hPa, the actual height of the aircraft above the surface at B will be

050 10860 Wind Uncategorized

4485 FT 4815 FT 5175 FT 3135 FT

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46-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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47-The mean height of the tropical zero degree isotherm is

050 15266 Climatology

12000 ft 19000 ft 16000 ft 14000 ft

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48-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:

050 15416 The Atmosphere

30000 ft 27000 ft 31500 ft 28500 ft

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49-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?

050 15440 The Atmosphere

4865 ft 4190 ft 3515 ft 4325 ft

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50-The mean height of the tropical tropopause is

050 15451 The Atmosphere

49000 ft 44000 ft 59000 ft 54000 ft

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51-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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52-What is the average height of the jet core within a polar front jet stream?

050 1565 Wind

30000 FT. 50000 FT. 20000 FT. 40000 FT.

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53-The barometric compensator of an altimter is locked on reference 1013.2 hPa. The aircraft has to land on a point with an elevation of 290 feet where the QNH is 1023 hPa. The reading on the altimeter on the ground will be:

050 1773 The Atmosphere

560 FT. 11 FT. -10 FT. 20 FT.

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54-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

050 1772 The Atmosphere

8350 FT. 8600 FT. 8000 FT. 7650 FT.

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55-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

050 1770 The Atmosphere

4278 FT. 3006 FT. 4194 FT. 2922 FT.

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56-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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57-What is the average height of the arctic jet stream core?

050 1562 Wind

30000 FT. 50000 FT. 20000 FT . 40000 FT.

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58-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 ?

050 66 The Atmosphere

6000 FT. 5760 FT. 6240 FT. 5900 FT.

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59-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?

050 1316 The Atmosphere

8640 ft 11460 ft 9740 ft 10160 ft

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60-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?

050 1556 The Atmosphere

15900 FT. 13830 FT. 14100 FT. 14370 FT.

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61-What units are used to report vertical wind shear?

050 1552 Meteorological Information

kt. kt/100 FT. m/sec. m/100 FT.

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62-An aircraft lands at an airport (airport elevation 1240 FT, QNH 1008 hPa). The altimeter is set to 1013 hPa. The altimeter will indicate:

050 1550 The Atmosphere

1200 FT. 1375 FT. 1280 FT. 1105 FT.

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63-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?

050 1548 The Atmosphere

15690 FT. 16230 FT. 13830 FT. 14370 FT.

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64-What is the average vertical extent of radiation fog?

050 1259 Clouds and Fog

10 000 FT. 500 FT. 5 000 FT. 2 000 FT.

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65-An aircraft lands at an airport (airport elevation 540 FT, QNH 993 hPa) with the altimeter set to 1013 hPa. What will it indicate ?

050 2523 The Atmosphere

700 FT 0 FT 1080 FT 380 FT

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66-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?

050 2521 Wind Uncategorized

15100 ft 16360 ft 16920 ft 15620 ft

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67-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?

050 2520 Wind Uncategorized

19310 ft 21770 ft 18290 ft 20630 ft

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68-An aircraft flies from aerodrome "A", (QNH= 1020 hPA) , to aerodrome "B", (QNH= 999 hPA) . Aerodrome "A" is 800 ft. above mean sea level and aerodrome "B" is 540 ft. above mean sea level. If the altimeter sub scale is not changed from 1020, what is the altimeter indication on landing.

050 1

1470 ft. -170 ft. 1170 ft. 170 ft.

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69-Your aircraft's altimeter is set to 975 mbar at an aerodrome with an elevation of 650 ft. What does your altimeter read if the QNH = 985 mbar?

050 1

390 ft 360 ft 380 ft 400 ft

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70-You are flying FL100 in an airmass which is 15°C colder than ISA, local QNH 983. What would the true altitude be?

050 1

11.410 ft 10.210 ft 8.590 ft 10.000 ft

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71-In standard atmosphere, 500 hPa level corresponds to:

050 1

18000 ft 12000 ft 10000 ft 15000 ft

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72-You are approaching to an airmass with a temperature of 6 C at 10000ft. Which altitude should you be in order to avoid clear icing?

050 1

12000 ft 6000 ft 14000 ft 9000 ft

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73-Altimeter reads 10000ft when set to 1003 hPa QNH. What does it read when you reset the altimeter to standard pressure setting? (1hPa : 27 ft)

050 1

10330 ft 9730 ft 10270 ft 9670 ft

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74-Which of the following conditions are you most likely to encounter when approaching an active warm front at medium to low level ?

050 1264 Air Masses and Fronts

Severe thunderstorms at low altitude. Low cloud base and poor visibility. High cloud base, good surface visibility, and isolated thunderstorms. Extreme turbulence and severe lightning striking the ground.

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75-A trough of low pressure at the surface is generally associated with:

050 1

subsidence causing decreased cloud and precipitation. subsidence causing increased cloud and precipitation. convergence causing increased cloud and precipitation. divergence causing increased cloud and precipitation.

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76-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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77-Which statement is correct for an absolutely unstable atmosphere?

050 12830 Air Masses and Fronts

the dry adiabatic lapse rate is more than 1°C / 100 m clouds are mainly of the stratiform type the environmental lapse rate is less than 1°C / 100 m visibility is good between showers

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78-Where do the trade winds blow?

050 12803 Wind

Between the "horse latitudes" and the mid latitudes. At the equator. Between the "horse latitudes" and the doldrums. Between the "horse latitudes" and the equatorial highs.

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79-Where is the wind speed of a polar front jet stream normally at its strongest?

050 16307 Wind

In the area between a trough and a ridge. In the area where the jet stream is curving around an anticyclone. In the area of a trough. In the area where the jet stream is curving around a depression.

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80-In the northern hemisphere at 5000 ft/AGL a south-westerly wind is blowing. The surface wind at the same location is a southerly wind. What is the primary reason of difference between these two wind directions?

050 1234 Wind

The influence of warm air at the lower altitude. Stronger Coriolis force at the surface. Friction between the wind and the surface. A strong pressure gradient at higher altitudes.

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81-Marseille Information gives you the following meteorological information for Ajaccio and Calvi for 1600 UTC: Ajaccio: wind 360°/2 kt, visibility 2000 m, rain, BKN stratocumulus at 1000 FT, OVC altostratus at 8000 FT, QNH 1023 hPa. Calvi: wind 040°/2 kt, visibility 3000 m, mist, FEW stratus at 500 FT, SCT stratocumulus at 2000 FT, OVC altostratus at 9000 FT, QNH 1023 hPa. The ceilings (more than 4 oktas) are therefore:

050 1779 Meteorological Information

1000 FT at Ajaccio and 2000 FT at Calvi 1000 FT at Ajaccio and 9000 FT at Calvi 1000 FT at Ajaccio and 500 FT at Calvi 8000 FT at Ajaccio and 9000 FT at Calvi

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82-What conditions are most likely to prevail at an aerodrome located in square 3B?

050 13590 Meteorological Information

Intermittent thunderstorms otherwise generally clear skies with good visibility Broken CU base 2000 FT, visibility more than 5 km, occasional showers of rain or snow Mainly overcast at 8000 FT, visibility less than 5 km in continuous moderate rain 6 - 8 oktas SC and ST, visibility moderate to poor in drizzle

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83-Surface-based temperature inversions are common during

050 10914 The Atmosphere

cloud-free days in summer when the ground is dry cloudy days in winter when the ground is wet cloudy days in summer when the ground is wet cloud-free nights in winter when the ground is dry

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84-An unstable air mass will normally be characterised by

050 10866 Air Masses and Fronts

stratiform cloud continuous light rain from medium level layer cloud poor visibility due to haze at the lower levels cumuliform cloud and good visibility except in precipitation

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85-What weather conditions are prevalent during the summer, over the North Sea, approximately 300 km behind a quickly moving cold front?

050 1273 Air Masses and Fronts

Cloud cover mostly scattered, isolated showers. 8 octas CS, AS without precipitation. Advection fog. Rain covering a large area, 8 octas NS.

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86-Which of the following weather conditions favour the formation of radiation fog?

050 1262 Clouds and Fog

Light wind, little or no cloud, moist air. Strong wind, little or no cloud, moist air. Light wind, extensive cloud, moist air. Light wind, extensive cloud, dry air.

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87-What is the meaning of the following weather message?
… CNL WS WRNG 1 211130/211330=

050 16819 Meteorological Information

The first wind shear warning on the 21st of that month, issued at 1130 UTC has been cancelled at the same day at 1330 UTC. This message cancels all weather warnings issued on the 21st of January between 1130 and 1330 UTC. The first wind shear warning on the 21st of that month with an occasional intensity has a forecast validity from 1130 until 1330 UTC. The weather warning with the number 121 concerning a cyclone at low levels has a validity time from 1130 until 1330 UTC.

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88-Clouds will mainly consist of supercooled water droplets when the temperature is:

050 13637 Clouds and Fog

below -40° C. between -5° C and -30° C. between -30° C and -40° C. between 0° C and -15° C.

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89-An aircraft descends in layered clouds; the freezing level is situated at FL 60.
At what levels is the probability for airframe icing the highest?

050 15726 Flight Hazards

Between FL 60 and FL 20. At FL 140. Between FL 120 and FL 180. Between FL 120 and FL 60.

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90-Clouds will mainly consist of supercooled water droplets when the temperature is:

050 15725 Clouds and Fog

below -40° C. between -5° C and -30° C. between 0° C and -15° C. between -30° C and -40° C.

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91-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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92-An aircraft descents in layered clouds; the freezing level is situated at FL 60. At what levels is the probability for airframe icing the highest?

050 13663 Uncategorized Wind

At FL 140. Between FL 120 and FL 180. Between FL 60 and FL 20. Between FL 120 and FL 60.

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93-At what temperatures would you expect the heaviest ice accretion to occur in a CB?

050 1613 Flight Hazards

Between -30°C and -40°C Between -20°C and -30°C Close to the freezing level Between -2°C and -15°C

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94-What is the formation differences of sea breeze and land breeZe?

050 1

Seasonal differences Effect of wind Regional temperatures Heating difference between land and sea

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95-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?

050 12823 Uncategorized Wind

23230 FT/AMSL. 26230 FT/AMSL. 23770 FT/AMSL. 26770 FT/AMSL.

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96-What is the dry adiabatic lapse rate ?

050 12860 Thermodynamics

1.5°C/1000 FT 3.0°C/1000 FT 3.5°C/1000 FT 2.0°C/1000 FT

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97-The temperature lapse rate of the ICAO standard atmosphere in the troposphere is:

050 13607 The Atmosphere

3°C/1000 FT 2°C/1000 FT 2,5°C/1000 FT 6,5°C/1000 FT

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98-Considering the North Atlantic route from the Azores to Bermuda, the mean height of the tropical tropopause during summer is approximately

050 13629 The Atmosphere

33 000 FT 51 000 FT 60 000 FT 39 000 FT

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99-Considering the route indicated from Recife to Dakar the mean height of the tropopause during January is approximately

050 13628 The Atmosphere

36 000 FT 43 000 FT 29 000 FT 56 000 FT

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100-Considering the North Atlantic at latitude 50°N during winter, the mean height of the tropopause is approximately

050 10874 Meteorological Information

23 000 FT 54 000 FT 31 000 FT 43 000 FT

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1-BECMG 1820 BKN030 in a TAF means:

3-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?

4-Decode the cloud bases being described in this METAR for an aerodrome: 261450Z 07007KT 9999 FEW035 SCT043 BKN240 21/12 Q1016 NOSIG =

5-8/8 stratus base 200 FT/AGL is observed at sunrise at an aerodrome in the north of France; the QNH is 1028 hPa and there is a variable wind of 3 kt. What change in these clouds is likely at 1200 UTC in summer and winter?

6-8/8 stratus base 200 FT/AGL is observed at sunrise at an aerodrome in the north of France; the QNH is 1028 hPa and there is a variable wind of 3 kt. What change in these clouds is likely at 1200 UTC in summer and winter?

7-Coriolis force in the Northern Hemisphere will cause moving air to be apparently deflected to:

8-What does the abbreviation "BKN" mean?

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

10-Over Amsterdam, what amount and general type of cloud would you expect at FL 160 ?

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

12-How is a ceiling defined?

13-How is a ceiling defined?

14-Meteorological textual information defines the height of cloud bases as follows:

15-At Lyon (LFLY, N4545 E00500), at 1200 UTC, the sky is overcast with Stratocumulus and Altostratus and it is raining. Using the SWC in appendix, valid at 1200 UTC, we can estimate a weather improvement for Lyon

16-What is the difference between BECOMING and TEMPO ?

17-In which of the following conditions is moderate to severe airframe icing most likely to be encountered?

18-Under which of these conditions is radiation fog most likely to form?

19-The most severe turbulent part of the mountain waves is;

20-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

21-What is the meaning of the expression "FEW"?

22-To what extent is Munich covered by clouds ?

23-What is the meaning of the abbreviation "SCT" ?

24-The abbreviation BKN, with respect to cloud cover means:

25-For an aircraft making an approach to an airfield located in square 3B, the most likely weather conditions are

26-Which of the following factors have the greatest effect on the formation of the various types of ice on an aircraft ?

27-Which of the following statements is true regarding moderate to severe airframe icing?

28-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?

29-Fair weather cumulus often is an indication of

30-When the temperature and dew point are less than one degree apart the weather conditions are most likely to be

31-An unstable air mass when forced to rise due to orographic lifting will produce:

32-Fair weather cumulus clouds often indicate:

33-What weather condition occurs at the altitude where the dewpoint lapse rate and the dry adiabatic lapse rate converge?

34-The diurnal variation of temperature is:

35-In a mountain wave situation, the worst of the turbulence is most likely to be found when flying:

36-You are flying north and the anvil of a CB directly ahead of you extends to the east. Which of the below is a better decision?

37-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?

38-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?

39-What is the lowest cloud base forecast for arrival at Geneva (ETA 1200 UTC)? TAF LSGG 020900Z 021019 18007KT 9999 SCT020 BKN100 BECMG 1114 8000 RA SCT010 OVC020 PROB30 TEMPO 1018 VRB10G25KT TSRA SCT005 BKN015CB=

40-What is the lowest probable cloud base forecast for ETA 1700 UTC at Kingston ? TAF MKJP 160000Z 160606 36010KT 9999 FEW025 BECMG 1315 14020G34KT FEW015CB SCT025 PROB30 TEMPO 1520 6000 +SHRA SCT010 BKN015CB BECMG 2301 34010KT FEW025=

41-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?

42-An aircraft maintains a constant indicated altitude of 7500 FT from A (270 FT/AMSL - QNH 1021 hPa) to B (1650 FT/AMSL - QNH 983 hPa). Assuming that the altimeter sub-scale setting remains unchanged at 1021 hPa, the actual height of the aircraft above the surface at B will be

43-An aircraft maintains a constant indicated altitude of 6500 FT from A (600 FT/AMSL - QNH 1012 hPa) to B (930 FT/AMSL - QNH 977 hPa). Assuming that the altimeter subscale setting remains unchanged at 1012 hPa, the actual height of the aircraft above the surface at B will be

44-An aircraft maintains a constant indicated altitude of 5500 FT from A (1050 FT/AMSL - QNH 968 hPa) to B (650 FT/AMSL - QNH 1016 hPa). Assuming that the altimeter subscale setting remains unchanged at 968 hPa, the actual height of the aircraft above the surface at B will be

45-An aircraft maintains a constant indicated altitude of 4500 FT from A (360 FT/AMSL - QNH 986 hPa) to B (690 FT/AMSL - QNH 1011 hPa). Assuming that the altimeter sub-scale setting remains unchanged at 986 hPa, the actual height of the aircraft above the surface at B will be

46-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 =

47-The mean height of the tropical zero degree isotherm is

48-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:

49-Given:Altimeter setting: 1013.2 hPaAltimeter reading: 5000 ftOutside air temperature at 5000 ft: +5°CQFE: 958 hPaQNH: 983 hPaWhat is the true height of the aircraft above the aerodrome?

50-The mean height of the tropical tropopause is

51-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

52-What is the average height of the jet core within a polar front jet stream?

53-The barometric compensator of an altimter is locked on reference 1013.2 hPa. The aircraft has to land on a point with an elevation of 290 feet where the QNH is 1023 hPa. The reading on the altimeter on the ground will be:

54-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

55-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

56-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=

57-What is the average height of the arctic jet stream core?

58-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 ?

59-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?

61-What units are used to report vertical wind shear?

62-An aircraft lands at an airport (airport elevation 1240 FT, QNH 1008 hPa). The altimeter is set to 1013 hPa. The altimeter will indicate:

63-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?

64-What is the average vertical extent of radiation fog?

65-An aircraft lands at an airport (airport elevation 540 FT, QNH 993 hPa) with the altimeter set to 1013 hPa. What will it indicate ?

66-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?

67-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?

68-An aircraft flies from aerodrome "A", (QNH= 1020 hPA) , to aerodrome "B", (QNH= 999 hPA) . Aerodrome "A" is 800 ft. above mean sea level and aerodrome "B" is 540 ft. above mean sea level. If the altimeter sub scale is not changed from 1020, what is the altimeter indication on landing.

69-Your aircraft's altimeter is set to 975 mbar at an aerodrome with an elevation of 650 ft. What does your altimeter read if the QNH = 985 mbar?

70-You are flying FL100 in an airmass which is 15°C colder than ISA, local QNH 983. What would the true altitude be?

71-In standard atmosphere, 500 hPa level corresponds to:

72-You are approaching to an airmass with a temperature of 6 C at 10000ft. Which altitude should you be in order to avoid clear icing?

73-Altimeter reads 10000ft when set to 1003 hPa QNH. What does it read when you reset the altimeter to standard pressure setting? (1hPa : 27 ft)

74-Which of the following conditions are you most likely to encounter when approaching an active warm front at medium to low level ?

75-A trough of low pressure at the surface is generally associated with:

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

77-Which statement is correct for an absolutely unstable atmosphere?

78-Where do the trade winds blow?

79-Where is the wind speed of a polar front jet stream normally at its strongest?

80-In the northern hemisphere at 5000 ft/AGL a south-westerly wind is blowing. The surface wind at the same location is a southerly wind. What is the primary reason of difference between these two wind directions?

49-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?

51-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

56-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=

87-What is the meaning of the following weather message?
… CNL WS WRNG 1 211130/211330=

89-An aircraft descends in layered clouds; the freezing level is situated at FL 60.
At what levels is the probability for airframe icing the highest?