A free Premium account on the FCL.055 website! Read here
Sign up to unlock all our services and 15164 corrected and explained questions.
Question 180-1 : Within a short interval, several flight crews report that they have experienced strong clear air turbulence in a certain airspace. what is the consequence of these reports ? [ Question security ]
The competent aviation weather office will issue a sigmet
Question 180-2 : 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 =. 265 ?
Eddl
.assuming the map has been issued at the same time of the taf 06h00 utc , this taf covers a period from 07h utc to 16 utc..the warm front might reach loww in the late afternoon or during the night, so loww is excluded..lemd is in a pool area, no significant change is expected..lfpo will be reached by the warm front in the next hour, so between 07h to 13h, the weather expected is rain... and no rain is expected before 13h.. 505.the steadily decreasing cloud base indicates that eddl is corresponding to the taf.
Question 180-3 : What weather conditions are expected at paris airport lfpo around 0550 utc. 266 ?
.a warm front is approaching lfpo. 505.you can expect a low cloud base, poor visibility and rain. after, you will get the warm sector weather warmer air, stratus.
Question 180-4 : What is the optimum flight level between rome and paris according to the significant weather chart. 270 ?
Fl 220.
.at fl 220, we are above the the moderate icing and moderate turbulence layer which goes up to fl180, and we are below the jet at fl340 and the clear air turbulence aera cat square n°3 located between fl280 and fl380.
Question 180-5 : Flight shannon to london. what amount and type of cloud is forecast for the eastern sector of the route between shannon and london at fl 220 . 286 ?
Individual cumulonimbus.
.from the ground to fl270, on the eastern sector of the route, the type of cloud forecast are individual cbs..'isol cb' meaning 'isolated cumulonimbus'.
Question 180-6 : Over amsterdam, what amount and general type of cloud would you expect at fl 160 . 287 ?
Mainly 5 to 8 oktas of stratiform cloud in layers.
.broken bkn = 5 to 7 oktas..overcast ovc = 8 oktas..lyr = layer = stratiform cloud...the cloud base is from below fl 100 up to fl180, there is moderate icing up to fl130 and moderate turbulence up to fl180.
Question 180-7 : To what extent is munich covered by clouds. 288 ?
5 to 8 oktas.
. 530.the cloud cover classification is.few 1/8 to 2/8 cloud coverage..sct scattered 3/8 to 4/8 cloud coverage..bkn broken 5/8 to 7/8 cloud coverage..ovc overcast 8/8...for munich, we have bkn and ovc, so 5 to 8 oktas.
Question 180-8 : The following weather message eddm 241200z 2413/2422 vrb03kt 1500 br ovc004 becmg 2415/2417 00000kt 0500 fg vv002 tempo 2022 0400 fg vv001 is a ?
9 hour taf.
.this is a forecast message, valid on the 24th day of the month, published at 12h00 utc..the validity of a taf is stated in the taf.eddm 241200z 241322...13h00 utc to 22h00 utc = 9 hours.
Question 180-9 : In metar messages, the pressure group represents the ?
Qnh rounded down to the nearest hpa.
.qnh rounded down due to safety reasons.
Question 180-10 : While approaching your destination aerodrome you receive the following message rvr runway 23 400m.this information indicates the ?
Length of runway which a pilot in an aircraft on the ground would see, on the threshold of runway 23.
Question 180-11 : What is the meaning of the abbreviation sct ?
3 4 oktas
Question 180-12 : 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, ?
1000 ft at ajaccio and 9000 ft at calvi.
.the requirements for cloud to be considered a ceiling is more than 4 oktas...ajaccio.the bkn cloud at 1000 ft is at a lower level than the ovc cloud at 8000 ft..therefore the bkn 5 to 7 oktas cloud at 1000 ft is the start of the ceiling...at calvi.the few and sct layers are lower than 4 oktas, therefore the ovc 7 to 8 oktas cloud at 9000 ft is the start of the ceiling.
Question 180-13 : To which aerodrome is the following taf most applicable.taf 231019 24014kt 6000 sct030 bkn100 tempo 1113 25020g38kt 2500 +tsra sct008 bkn025cb becmg 1315 28012kt 9999 sct025 tempo 5000 shra bkn020 becmg 1719 27008kt 9999 sct030. 291 ?
Loww.
.we have a tempo between 11h and 13h, showing the passage of a front, thus lemd and ekch can be eliminated the cold front east of ekch is passed, at least, 5h ago...now, behind a cold front, the visibility outside precipitation is good and the precipitation is showers, and it's what the taf indicates between 13h to 19h. this situation concerns loww and the forecast wind also indicates loww, lfpg will have strong wind during this period.
Question 180-14 : Refer to the following taf extract.becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001.what visibility is forecast for 2400 utc ?
500 m.
Question 180-15 : Refer to the following taf extract.becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001.what does the abbreviation 'vv001' mean ?
Vertical visibility 100 ft.
Question 180-16 : What does the term metar signify ?
A metar signifies the actual weather report at an aerodrome and is generally issued in half ho y intervals.
Question 180-17 : How long from the time of observation is a trend in a metar valid ?
2 hours.
Question 180-18 : What is a speci ?
A special aerodrome weather report, issued when a significant change of the weather conditions have been observed.
Question 180-19 : Refer to the following taf extract.becmg 1218/1221 2000 bkn004 becmg 1221/1224 0500 vv001.what does the 'becmg' data indicate for the 18 to 21 hour time frame ?
The new conditions are achieved between 1800 and 2100 utc
Question 180-20 : Refer to the following taf extract..becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001.what does the abbreviation bkn004 mean ?
5 7 oktas, ceiling 400 ft.
Question 180-21 : Refer to the following taf extract.becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001.what does the abbreviation 'prob30' mean ?
Probability of 30%.
Question 180-22 : Select the true statement concerning isobars and wind flow patterns around high pressure and low pressure systems that are shown on a surface weather chart. ?
When the isobars are close together, the pressure gradient force is greater and wind velocities are stronger.
Question 180-23 : What is the wind speed given in a metar report based on ?
The average speed of the previous 10 minutes
Question 180-24 : What are the images of satellites provided daily by the weather service used for ?
To locate fronts in areas with few observation stations
Question 180-25 : Which constant pressure altitude chart is standard for fl 100 ?
700 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-26 : Which constant pressure altitude chart is standard for fl 180 ?
500 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-27 : Which constant pressure altitude chart is standard for fl 300 ?
300 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-28 : Which constant pressure altitude chart is standard for fl 390 ?
200 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-29 : If you are planning a flight at fl 170, which of these upper wind and temperature charts would be nearest your flight level ?
500 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-30 : If you are planning a flight at fl 290, which of these upper wind and temperature charts would be nearest your flight level ?
300 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-31 : When planning a flight at fl 60, which upper wind and temperature chart would be nearest your flight level ?
850 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-32 : When planning a flight at fl 110, which upper wind and temperature chart would be nearest your flight level ?
700 hpa.
.there is a few questions in the exam that take information directly from that table below, write these down on a sticky and have them on the wall beside you..1013 hpa = msl.850 hpa = fl50.700 hpa = fl100.500 hpa = fl180.300 hpa = fl300.200 hpa = fl390..any others you can interpolate between these and figure it out...the decrease of 1hpa/27ft is only applicable at the lower levels of the troposphere, as you go up and air pressure decreases, the change of height per 1 hpa increases at msl 1hpa/27ft, at fl180 it's 50ft/hpa and at fl390 it's 105ft/hpa.
Question 180-33 : According to icao, which symbol indicates severe icing. 300 ?
1.
.icao annex 3 meteorological service for international air navigation. 547
Question 180-34 : According to icao, which symbol indicates a tropical revolving storm. 301 ?
Symbol c
.icao annex 3 meteorological service for international air navigation. 547
Question 180-35 : According to icao, which symbol indicates widespread haze . 301 ?
Symbol b
.icao annex 3 meteorological service for international air navigation. 547
Question 180-36 : According to icao, which symbol indicates a severe line squall . 301 ?
Symbol a
.icao annex 3 meteorological service for international air navigation. 547
Question 180-37 : What does the term sigmet signify ?
A sigmet is a warning of dangerous meteorological conditions.
.icao annexe 3 met services.sigmet, or significant meteorological information, is a weather advisory that contains meteorological information concerning the safety of all aircraft..the following are examples of weather phenomena that may be described in a sigmet.. thunderstorms. cyclones tropical revolving storms. severe turbulence. severe icing. severe mountain waves. dust or sand storms. volcanic ash.
Question 180-38 : What does the term trend signify ?
It is a landing forecast added to the actual weather report.
.icao annex 3 meteorological service for international air navigation.6.3 landing forecasts.6.3.1 a landing forecast shall be prepared by the meteorological office designated by the meteorological authority concerned as determined by regional air navigation agreement, such forecasts are intended to meet the requirements of local users and of aircraft within about one hour's flying time from the aerodrome...6.3.2 landing forecasts shall be prepared in the form of a trend forecast...6.3.3 a trend forecast shall consist of a concise statement of the expected significant changes in the meteorological conditions at that aerodrome to be appended to a local routine or local special report, or a metar or speci..the period of validity of a trend forecast shall be 2 hours from the time of the report which forms part of the landing forecast.
Question 180-39 : Which of these statements best describes the weather most likely to be experienced at 1500 utc.taf lszh 2113/2122 22018g35kt 9999 sct012 bkn030 becmg 2113/2115 25025g45kt tempo 2117/2120 4000 +shra bkn025tcu becmg 2120/2122 25015kt tx18/2115z tn16/2118z = ?
Visibility 10 kilometres or more, main cloudbase 3000 feet, wind 250°, temperature 18°c.
.in this question the base of the lowest cloud is 1200 ft but there is less than half cover so the main cloudbase is 3000 ft..becmg becoming indicates a change to forecast conditions is expected to occur slowly within the period designated in the time group immediately following the heading..in this time group of four digits, the first two indicate the beginning hour, and the last two represent the ending hour during which the change will take place..the duration of this change is normally about 2 hours. the elements included in the becmg line will supercede some of the previous taf groups, but it is possible all the groups may change..any group omitted in the becmg line will be the same during the becmg period as indicated in the main taf line...for information, tx18/2115z mean temperature will be 18°c at 1500 utc..tn16/2118z mean temperature will be 16°c at 1800 utc.
Question 180-40 : Which of the following weather reports could be, in accordance with the regulations, abbreviated to 'cavok' ?
15003kt 9999 bkn100 17/11 q1024 nosig =
.icao annex 3.when the following conditions occur simultaneously at the time of observation, we can use the abbreviation of ceiling and visibility ok cavok.1. no cloud below 5000 ft above airfield level or minimum sector altitude, whichever is higher.2. no cb or tcu at any height.3. visibility 10 km or more.4. no significant weather..for this statement.29010kt 9999 st045tcu 16/12 q1015 reshra nosig=..tcu can't be cavok..for this statement.04012g26kt 9999 bkn030 11/07 q1024 nosig=..bkn030 can't be cavok..for this statement.24009kt 6000 ra sct010 ovc030 12/11 q1007 tempo 4000=..6000 sct010 ovc030 can't be cavok
~
Exclusive rights reserved. Reproduction prohibited under penalty of prosecution.
