In the TAF for Delhi during the summer for the time of your landing you note TEMPO TS What is the maximum time this deterioration in weather can last in anyone instance ?
MCQ > aircraft
How are well separated CB clouds described on the Significant Weather Chart ?
The cold front is indicated with a number at position 254 ?
What does symbol indicate on a significant weather chart 256 The center of a tropopause 'high' where tropopause at fl 4. it comes from annex 3 meteorological service international air navigation appendix 6 . 
Which typical weather situation shown on weather chart spacing of isobars 5 hpa 257 Flat pressure pattern. isobars are well spaced we have large pools areas pressure pattern very flat. 
Which of following weather reports a warning of conditions that could be potentially hazardous to aircraft in flight Flat pressure pattern. icao annexe 3 (met services) sigmet or significant meteorological information a weather advisory that contains meteorological information concerning 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. 
In which of following circumstances a sigmet issued Severe mountain waves. icao annexe 3 (met services) sigmet or significant meteorological information a weather advisory that contains meteorological information concerning 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 150-8
Does following report make sense 'metar lszh 182320z vrb02kt 5000 mifg 02/02 q1015 nosig' The report possible because shallow fog defined as a thin layer of fog below eye level. mi (shallow fog) bc (patches of) pr (partial) are only used with fg (fog) icao annex 3 4 4 present weather mi less than 2 m (6 ft) above ground level the answer the report possible because shallow fog defined as a thin layer of fog below eye level an acceptable definition. Question 150-9
You receive following metar 'lsgg 120750z 00000kt 0300 r05/0700n fg vv001 m02/m02 q1014 nosig ='what will be rvr at 0900 utc The rvr unknown because 'nosig' does not refer to rvr. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-10
What positions are connected isobars on surface weather chart Positions with same air pressure at a given level. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-11
What a trend forecast A landing forecast appended to metar/speci valid 2 hours. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-12
What does expression 'broken bkn ' mean 5 7 eights of sky cloud covered. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-13
What does abbreviation 'nosig' mean No significant changes. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-14
In which weather report would you expect to find information about icing conditions on runway No significant changes. geneva metar valid on 12th day of month at 07h50 utc no wind runway 05 visbility 700m 'no distinct tendency' fog vertical visibility temperature 2°c dew point 2°c qnh 1014 no change expected icao annex 3 the trend forecast at end of metar shall indicate significant changes in respect of one or more of elements surface wind visibility weather clouds only those elements shall be included which a significant change expected however in case of significant changes in respect of cloud all cloud groups including layers or masses not expected to change shall be indicated in case of a significant change in visibility phenomenon causing reduction of visibility shall also be indicated when no change expected to occur this shall be indicated the term 'nosig'. Question 150-15
In which of following 1850 utc metar reports the probability of fog formation in coming night highest Vrb kt 8 sct25 / q 28 becmg 3 br =. light wind (below 5 kt) little or no cloud (clear night) only one degree between temperature dew point visibilty will fall from 8000 m to 3000 m br (mist) indicates moist air this conditions will lead to formation of radiation fog (moist air over land with heat loss from ground on clear nights). Question 150-16
Which of following extracts of weather reports could be in accordance with regulations abbreviated to 'cavok' msa minus airport elevation equals lszb 10000 ft lszh 8000 ft lsgg 12000 ft lfsb 6000 ft Lsgg 22 3kt 9999 sct 2 bkn28 9/ 8 q 26 becmg 5 br =. icao annex 3 amendment 74 1 no cloud below 5000 ft above airfield level (or minimum sector altitude whichever higher ) 2 no cb or tcu at any height 3 visibility 10 km or more 4 no significant weather lszb lszh have cloud below minimum sector altitude (msa) furthermore lszh has cumulonimbus aroud (ts) lfsb has visibility less than 10 km lsgg meets all conditions of cavok note highest minimum sector altitude defined in icao pans?ops part 1 definitions as 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. Question 150-17
Within a short interval several flight crews report that they have experienced strong clear air turbulence in a certain airspace what the consequence of these reports The competent aviation weather office will issue a sigmet. icao annex 3 amendment 74 1 no cloud below 5000 ft above airfield level (or minimum sector altitude whichever higher ) 2 no cb or tcu at any height 3 visibility 10 km or more 4 no significant weather lszb lszh have cloud below minimum sector altitude (msa) furthermore lszh has cumulonimbus aroud (ts) lfsb has visibility less than 10 km lsgg meets all conditions of cavok note highest minimum sector altitude defined in icao pans?ops part 1 definitions as 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. Question 150-18
At which airport 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 The competent aviation weather office will issue a sigmet. assuming map has been issued at same time of taf (06h00 utc) this taf covers a period from 07h utc to 16 utc the warm front might reach loww in late afternoon or during night so loww excluded lemd in a pool area no significant change expected lfpo will be reached the warm front in next hour so between 07h to 13h weather expected rain no rain expected before 13h the steadily decreasing cloud base indicates that eddl corresponding to taf. Question 150-19
What weather conditions are expected at paris airport lfpo around 0550 utc 266 23 4kt 3 +ra sct 8 ovc 25 5/ 3 q 4 nosig =. a warm front approaching lfpo you can expect a low cloud base poor visibility rain after you will get warm sector weather (warmer air stratus). Question 150-20
What the optimum flight level between rome and paris according to significant weather chart 270 23 4kt 3 +ra sct 8 ovc 25 5/ 3 q 4 nosig =. at fl 220 we are above the moderate icing moderate turbulence layer which goes up to fl180 we are below jet at fl340 the clear air turbulence aera (cat square n°3) located between fl280 fl380. Question 150-21
Flight shannon to london what amount and type of cloud forecast the eastern sector of route between shannon and london at fl 220 286 Individual cumulonimbus. from ground to fl270 on eastern sector of route type of cloud forecast are individual cbs 'isol cb' meaning 'isolated cumulonimbu. Question 150-22
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 from below fl 100 up to fl180 there moderate icing up to fl130 moderate turbulence up to fl180. Question 150-23
To what extent munich covered clouds 288 Mainly 5 to 8 oktas of stratiform cloud in layers. 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 ovc so 5 to 8 oktas. Question 150-24
The following weather eddm 241200z 2413/2422 vrb03kt 1500 br ovc004 becmg 2415/2417 00000kt 0500 fg vv002 tempo 2022 0400 fg vv001 a Mainly 5 to 8 oktas of stratiform cloud in layers. this a forecast message valid on 24th day of month published at 12h00 utc the validity of a taf stated in taf eddm 241200z 241322 13h00 utc to 22h00 utc = 9 hours. Question 150-25
In metar messages pressure group represents Qnh rounded down to nearest hpa. qnh rounded down due to safety reasons. Question 150-26
While approaching your destination aerodrome you receive following rvr runway 23 400mthis information indicates Length of runway which a pilot in an aircraft on ground would see on threshold of runway 23. qnh rounded down due to safety reasons. Question 150-27
What the meaning of abbreviation 'sct' Length of runway which a pilot in an aircraft on ground would see on threshold of runway 23. qnh rounded down due to safety reasons. Question 150-28
Marseille information gives you following meteorological information ajaccio and calvi 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 ft at ajaccio 9 ft at calvi. the requirements cloud to be considered a ceiling more than 4 oktas ajaccio the bkn cloud at 1000 ft at a lower level than ovc cloud at 8000 ft therefore bkn (5 to 7 oktas) cloud at 1000 ft the start of ceiling at calvi the few sct layers are lower than 4 oktas therefore ovc (7 to 8 oktas) cloud at 9000 ft the start of ceiling. Question 150-29
To which aerodrome 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 ft at ajaccio 9 ft at calvi. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-30
Refer to following taf extract becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001what visibility forecast 2400 utc ft at ajaccio 9 ft at calvi. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-31
Refer to following taf extract becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001what does abbreviation 'vv001' mean Vertical visibility ft. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-32
What does term metar signify A metar signifies actual weather report at an aerodrome is generally issued in half hourly intervals. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-33
How long from time of observation a trend in a metar valid A metar signifies actual weather report at an aerodrome is generally issued in half hourly intervals. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-34
What a speci A special aerodrome weather report issued when a significant change of weather conditions have been observed. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-35
Refer to following taf extract becmg 1218/1221 2000 bkn004 becmg 1221/1224 0500 vv001what does 'becmg' data indicate the 18 to 21 hour time frame The new conditions are achieved between 8 2 utc. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-36
Refer to following taf extract becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001what does abbreviation 'bkn004' mean 5 7 oktas ceiling 4 ft. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-37
Refer to following taf extract becmg 1218/1221 2000 br bkn004 becmg 1221/1224 0500 fg vv001what does abbreviation 'prob30' mean 5 7 oktas ceiling 4 ft. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-38
Select true statement concerning isobars and wind flow patterns around high pressure and low pressure systems that are shown on a surface weather chart When isobars are close together pressure gradient force greater wind velocities are stronger. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-39
What the wind speed given in a metar report based on The average speed of previous minutes. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period). Question 150-40
What are images of satellites provided daily the weather service used To locate fronts in areas with few observation stations. we have a tempo between 11h 13h showing passage of a front thus lemd ekch can be eliminated (the cold front east of ekch passed at least 5h ago) now behind a cold front visibility outside precipitation good the precipitation showers it's what taf indicates between 13h to 19h this situation concerns loww (and forecast wind also indicates loww lfpg will have strong wind during this period).
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