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What positions are connected by isobars on the surface weather chart ? [ MCQ aircraft ]

Question 153-1 : Positions with the same air pressure at a given level positions with the same temperature at a given level positions with the same wind velocity at a given level positions with the same relative pressure heights

exemple 253 Positions with the same air pressure at a given level. — Positions with the same air pressure at a given level.

What is a trend forecast ?

Question 153-2 : A landing forecast appended to metar/speci valid for 2 hours an aerodrome forecast valid for 9 hours a route forecast valid for 24 hours a routine report

exemple 257 A landing forecast appended to metar/speci, valid for 2 hours — A landing forecast appended to metar/speci, valid for 2 hours

What does the expression 'broken bkn ' mean ?

Question 153-3 : 5 7 eights of the sky is cloud covered 3 4 eights of the sky is cloud covered 3 5 eights of the sky is cloud covered nil significant cloud cover

exemple 261 5-7 eights of the sky is cloud covered. — 5-7 eights of the sky is cloud covered.

What does the abbreviation 'nosig' mean ?

Question 153-4 : No significant changes no report received no weather related problems not signed by the meteorologist

exemple 265 No significant changes. — No significant changes.

In which weather report would you expect to find information about icing ?

Question 153-5 : Metar sigmet gafor taf

exemple 269 Metar — Metar

In which of the following 1850 utc metar reports is the probability of fog ?

Question 153-6 : 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 = 00000kt 9999 sct300 21/01 q1032 nosig =

exemple 273 Vrb01kt 8000 sct250 11/10 q1028 becmg 3000 br = — Admin .light wind below 5 kt little or no cloud clear night only one degree between temperature and dew point .visibilty will fall from 8000 m to 3000 m and br mist indicates moist air .this conditions will lead to the formation of radiation fog moist air over land with heat loss from the ground on clear nights Vrb01kt 8000 sct250 11/10 q1028 becmg 3000 br =

Which of the following extracts of weather reports could be in accordance with ?

Question 153-7 : Lsgg 22003kt 9999 sct120 bkn280 09/08 q1026 becmg 5000 br = lszh 26024g52kt 9999 bkn060 17/14 q1012 rets tempo 5000 tsra = lszb 30004kt 9999 sct090 10/09 q1006 nosig = lfsb 00000kt 9000 sct080 22/15 q1022 nosig =

exemple 277 Lsgg 22003kt 9999 sct120 bkn280 09/08 q1026 becmg 5000 br = — Admin .icao annex 3 amendment 74 .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.lszb and lszh have cloud below minimum sector altitude msa furthermore lszh has cumulonimbus aroud ts .lfsb has visibility less than 10 km .lsgg meets all the conditions of cavok .note highest minimum sector altitude is defined in icao pans ops part 1 definitions as the lowest altitude which may be used under emergency conditions which will provide a minimum clearance of 300 metres 1000 ft above all objects located in an area contained within a sector of a circle of 46 km 25 nautical miles radius centred on a radio aid to navigation Lsgg 22003kt 9999 sct120 bkn280 09/08 q1026 becmg 5000 br =

Within a short interval several flight crews report that they have experienced ?

Question 153-8 : The competent aviation weather office will issue a sigmet the airspace in question will be temporarily closed the competent aviation weather office will issue a speci the competent aviation weather office will issue a storm warning

exemple 281 The competent aviation weather office will issue a sigmet — The competent aviation weather office will issue a sigmet

At which airport is the following weather development taking place .'taf ?

Question 153-9 : Eddl lfpo loww lemd

exemple 285 Eddl — Admin .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 Eddl

What weather conditions are expected at paris airport lfpo around 0550 utc . 266 ?

Question 153-10 : 23014kt 3000 +ra sct008 ovc025 15/13 q1004 nosig = 26012kt 9999 sct025 sct040 14/09 q1018 tempo 5000 shra = 22020g36kt 1500 tsgr sct004 bkn007 bkn025cb 18/13 q1009 becmg nsw = 20004kt 8000 sct110 sct250 22/08 q1016 nosig =

exemple 289 23014kt 3000 +ra sct008 ovc025 15/13 q1004 nosig = — Admin .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 23014kt 3000 +ra sct008 ovc025 15/13 q1004 nosig =

What is the optimum flight level between rome and paris according to the ?

Question 153-11 : Fl 220 fl 340 fl 160 fl 360

exemple 293 Fl 220. — Admin .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 Fl 220.

Flight shannon to london what amount and type of cloud is forecast for the ?

Question 153-12 : Individual cumulonimbus overcast nimbo layered cumulonimbus scattered towering cumulus scattered castellanus

exemple 297 Individual cumulonimbus. — Admin .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' Individual cumulonimbus.

Over amsterdam what amount and general type of cloud would you expect at fl 160 ?

Question 153-13 : Mainly 5 to 8 oktas of stratiform cloud in layers 4 oktas broken cumulus isolated cumulonimbus only 5 to 7 oktas towering cumuliform cloud and with moderate turbulence

exemple 301 Mainly 5 to 8 oktas of stratiform cloud in layers. — Admin .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 Mainly 5 to 8 oktas of stratiform cloud in layers.

To what extent is munich covered by clouds . 288 ?

Question 153-14 : 5 to 8 oktas 1 to 4 oktas 5 to 7 oktas 3 to 5 oktas

exemple 305 5 to 8 oktas. — Admin . 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 5 to 8 oktas.

The following weather message eddm 241200z 2413/2422 vrb03kt 1500 br ovc004 ?

Question 153-15 : 9 hour taf 24 hour taf speci metar

exemple 309 9 hour taf. — Admin .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 9 hour taf.

In metar messages the pressure group represents the ?

Question 153-16 : Qnh rounded down to the nearest hpa qfe rounded to the nearest hpa qnh rounded up to the nearest hpa qfe rounded down to the nearest hpa

exemple 313 Qnh rounded down to the nearest hpa. — Admin .qnh rounded down due to safety reasons Qnh rounded down to the nearest hpa.

While approaching your destination aerodrome you receive the following message ?

Question 153-17 : Length of runway which a pilot in an aircraft on the ground would see on the threshold of runway 23 visibility on runway 23 portion of runway which a pilot on the threshold of any of the runways would see with runway 23 in service minimum visibility at this aerodrome with runway 23 being the one in service

exemple 317 Length of runway which a pilot in an aircraft on the ground would see, on the threshold of runway 23. — Length of runway which a pilot in an aircraft on the ground would see, on the threshold of runway 23.

What is the meaning of the abbreviation 'sct' ?

Question 153-18 : 3 4 oktas 1 2 oktas 5 7 oktas 1 4 oktas

exemple 321 3 - 4 oktas — 3 - 4 oktas

Marseille information gives you the following meteorological information for ?

Question 153-19 : 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 1000 ft at ajaccio and 2000 ft at calvi

exemple 325 1000 ft at ajaccio and 9000 ft at calvi. — Admin .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 1000 ft at ajaccio and 9000 ft at calvi.

To which aerodrome is the following taf most applicable .taf 231019 24014kt ?

Question 153-20 : Loww lfpg lemd ekch

exemple 329 Loww. — Admin .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 Loww.

Refer to the following taf extract .becmg 1218/1221 2000 br bkn004 becmg ?

Question 153-21 : 500 m 2000 m between 500 m and 2000 m between 0 m and 1000 m

exemple 333 500 m. — 500 m.

Refer to the following taf extract .becmg 1218/1221 2000 br bkn004 becmg ?

Question 153-22 : Vertical visibility 100 ft rvr less than 100 m rvr greater than 100 m vertical visibility 100 m

exemple 337 Vertical visibility 100 ft. — Vertical visibility 100 ft.

What does the term metar signify ?

Question 153-23 : A metar signifies the actual weather report at an aerodrome and is generally issued in half ho y intervals a metar is a warning of dangerous meteorological conditions within a fir a metar is a flight forecast issued by the meteorological station several times daily a metar is a landing forecast added to the actual weather report as a brief prognostic report

exemple 341 A metar signifies the actual weather report at an aerodrome and is generally issued in half-hourly intervals. — A metar signifies the actual weather report at an aerodrome and is generally issued in half-hourly intervals.

How long from the time of observation is a trend in a metar valid ?

Question 153-24 : 2 hours 9 hours 1 hour 30 minutes

exemple 345 2 hours. — 2 hours.

What is a speci ?

Question 153-25 : A special aerodrome weather report issued when a significant change of the weather conditions have been observed a routine aerodrome weather report issued every 3 hours a warning of meteorological dangers at an aerodrome issued only when required an aerodrome forecast issued every 9 hours

exemple 349 A special aerodrome weather report, issued when a significant change of the weather conditions have been observed. — A special aerodrome weather report, issued when a significant change of the weather conditions have been observed.

Refer to the following taf extract .becmg 1218/1221 2000 bkn004 becmg 1221/1224 ?

Question 153-26 : The new conditions are achieved between 1800 and 2100 utc a quick change to new conditions between 1800 and 1900 utc many short term changes in the original weather many long term changes in the original weather

exemple 353 The new conditions are achieved between 1800 and 2100 utc — The new conditions are achieved between 1800 and 2100 utc

Refer to the following taf extract .becmg 1218/1221 2000 br bkn004 becmg ?

Question 153-27 : 5 7 oktas ceiling 400 ft 1 4 oktas ceiling 400 ft 4 8 oktas ceiling 400 m 1 4 oktas ceiling 400 m

exemple 357 5 - 7 oktas, ceiling 400 ft. — 5 - 7 oktas, ceiling 400 ft.

Refer to the following taf extract .becmg 1218/1221 2000 br bkn004 becmg ?

Question 153-28 : Probability of 30% conditions will last for at least 30 minutes the cloud ceiling should lift to 3000 ft change expected in less than 30 minutes

exemple 361 Probability of 30%. — Probability of 30%.

Select the true statement concerning isobars and wind flow patterns around high ?

Question 153-29 : When the isobars are close together the pressure gradient force is greater and wind velocities are stronger surface winds flow perpendicular to the isobars isobars connect contour lines of equal temperature when the isobars are far apart crest of standing waves may be marked by stationary lenticular clouds

exemple 365 When the isobars are close together, the pressure gradient force is greater and wind velocities are stronger. — When the isobars are close together, the pressure gradient force is greater and wind velocities are stronger.

What is the wind speed given in a metar report based on ?

Question 153-30 : The average speed of the previous 10 minutes the average speed of the previous 30 minutes the strongest gust in the previous hour the actual speed at the time of recording

exemple 369 The average speed of the previous 10 minutes — The average speed of the previous 10 minutes

What are the images of satellites provided daily by the weather service used for ?

Question 153-31 : To locate fronts in areas with few observation stations to measure wind currents on the ground to help provide 14 day forecasts to locate precipitation zones

exemple 373 To locate fronts in areas with few observation stations — To locate fronts in areas with few observation stations

Which constant pressure altitude chart is standard for fl 100 ?

Question 153-32 : 700 hpa 850 hpa 500 hpa 300 hpa

exemple 377 700 hpa. — Admin .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 700 hpa.

Which constant pressure altitude chart is standard for fl 180 ?

Question 153-33 : 500 hpa 300 hpa 200 hpa 700 hpa

exemple 381 500 hpa. — Admin .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 500 hpa.

Which constant pressure altitude chart is standard for fl 300 ?

Question 153-34 : 300 hpa 200 hpa 700 hpa 500 hpa

exemple 385 300 hpa. — Admin .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 300 hpa.

Which constant pressure altitude chart is standard for fl 390 ?

Question 153-35 : 200 hpa 500 hpa 700 hpa 300 hpa

exemple 389 200 hpa. — Admin .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 200 hpa.

If you are planning a flight at fl 170 which of these upper wind and ?

Question 153-36 : 500 hpa 300 hpa 850 hpa 700 hpa

exemple 393 500 hpa. — Admin .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 500 hpa.

If you are planning a flight at fl 290 which of these upper wind and ?

Question 153-37 : 300 hpa 500 hpa 700 hpa 850 hpa

exemple 397 300 hpa. — Admin .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 300 hpa.

When planning a flight at fl 60 which upper wind and temperature chart would be ?

Question 153-38 : 850 hpa 700 hpa 500 hpa 300 hpa

exemple 401 850 hpa. — Admin .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 850 hpa.

When planning a flight at fl 110 which upper wind and temperature chart would ?

Question 153-39 : 700 hpa 850 hpa 300 hpa 500 hpa

exemple 405 700 hpa. — Admin .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 700 hpa.

According to icao which symbol indicates severe icing . 300 ?

Question 153-40 : 1 2 3 4

exemple 409 1. — Admin .icao annex 3 meteorological service for international air navigation . 547 1.

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