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The mean temperature that may be expected to affect that segment of the route ? [ Revision flight ]

Question 131-1 : 38°c 34°c 30°c 42°c

Be careful we are looking at the temperature only for the part from the coast of se england to geneva not from dublin to tunis .over manche at fl240 temperature is 35° .before geneva at fl240 temperature is 30° ..over manche at fl300 temperature is 48° .before geneva at fl300 temperature is 44° ..average temperature at fl240 = 35° + 30° /2 = 32 5°c .average temperature at fl300 = 48° + 44° /2 = 46°c ..average temperature at fl270 = 32 5° + 46° /2 = 39°c exemple 231 -38°c.-38°c.

Flight from lisbon lppt to kingston mkjp considering the route segment between ?

Question 131-2 : 55°c 52°c 58°c 61°c

Admin . 631.we are only looking for the mean temperature forecast between 60°w and 70°w exemple 235 -55°c.-55°c.

What is the average temperature difference from isa at fl 390 between madrid ?

Question 131-3 : 1°c +5°c 5°c +2°c

The lowest temperature in the icao standard atmosphere isa is 56 5°c .average temperature between madrid and dhahran is around 57°c this is about 1°c colder exemple 239 -1°c-1°c

The diurnal variation in temperature is largest when ?

Question 131-4 : The sky is clear and the wind is weak the sky is clear and the wind is strong the sky is overcast and the wind is weak the sky is overcast and the wind is strong

Which of the following statements concerning the tropopause is correct ?

Question 131-5 : The temperature lapse rate changes abruptly at the tropopause the temperature remains constant above and below the tropopause the temperature of the tropopause at the equator is higher than at the poles the temperature of the tropopause at the equator and at the poles is equal

Admin . 633.at the tropopause the temperature remains constant until 25 km then it increases .the lapse rate changes abruptly at the tropopause exemple 247 The temperature lapse rate changes abruptly at the tropopause.The temperature lapse rate changes abruptly at the tropopause.

An aircraft is flying through the alps on a very cold winter's day the regional ?

Question 131-6 : A higher altitude than the elevation of the summit a lower altitude than the elevation of the summit the same altitude as the elevation of the summit there is insufficient information to come to a conclusion

Admin .on a very cold winter's day means an outside temperature well below isa temperature if the summit is at 10000 ft you will normally read an altitude of 10000 ft in standard atmosphere .since outside temperature is well below isa temperature the air mass is contracted your altimeter will read a higher altitude than the elevation of the summit exemple 251 A higher altitude than the elevation of the summit.A higher altitude than the elevation of the summit.

An aircraft is flying through the alps on a warm summer's day the weather is ?

Question 131-7 : A lower altitude than the elevation of the summit a higher altitude than the elevation of the summit the same altitude as the elevation of the summit there is insufficient information to come to a conclusion

Admin .if the summit's elevation is 10000 ft and the aircraft is at a real height of 10000 ft with high temperature the altimeter under read the aircraft's altitude and it reads a lower altitude than the elevation of the summit .if now you fly at an indicated altitude of 10000 ft you will pass largely over the summit's elevation .if you fly imc and having to pass over this summit with a 1000 ft margin in cold days you must be at a higher indicated altitude than 11000 ft to be 'in reality' at or above 11000 ft exemple 255 A lower altitude than the elevation of the summit.A lower altitude than the elevation of the summit.

What is the approximate vertical interval which is equal to a pressure change ?

Question 131-8 : 8 m 27 ft 15 m 50 ft 32 m 105 ft 64 m 210 ft

Cqb15 july 2011 exemple 259 8 m (27 ft).8 m (27 ft).

On a route segment from a to b the highest terrain elevation is approximately ?

Question 131-9 : 1300 feet 1400 feet 1100 feet 1000 feet

Admin .we actually need to fly at 1000 + 200 = 1200 ft .temperature at 200 ft or 0 ft it's not a big deal is 5°c .temperature is colder than isa our altimeter must read an altitude higher than 1200 ft to be sure not to be lower than 1200 ft .isa temperature at 1000 ft is 13°c today it is 7°c we 'lose' 2° per 1000 ft .difference between isa is 20°c .altitude/height changes by 4% for each 10°c temperature deviation from isa.temperature correction = 4 x 1 2 x 20 temperature correction = 96 ft .our altimeter must read at least 1296 ft and we will really fly over the mountain at 1200 ft .answer 1300 ft is our minimum acceptable altimeter indication exemple 263 1300 feet.1300 feet.

An aircraft is flying from point a to point b at the flight level corresponding ?

Question 131-10 : Wind speed over b is higher than over a the true altitude will be higher over b than over a wind speed over a is higher than over b the true altitude will be higher over b than over london

Admin .if you stand with your back to the wind in the northern hemisphere low pressure is on your left buys ballot's law .with a wind coming from the west direction and you stand with your back to it low pressure is on your left . 542.on the annex a is on a higher contour line than b true altitude will be higher at a and over london than at b .isobars are tighter at b than a so wind speed over b is higher than over a exemple 267 Wind speed over b is higher than over a.Wind speed over b is higher than over a.

Which of the following constant pressure charts would be most relevant for ?

Question 131-11 : 150 hpa 200 hpa 250 hpa 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 exemple 271 150 hpa.150 hpa.

By volume which of the following elements makes up the largest part of the ?

Question 131-12 : Nitrogen hydrogen oxygen noble gases

exemple 275 Nitrogen.Nitrogen.

Which fl corresponds with the 400 hpa pressure level ?

Question 131-13 : Fl 240 fl 300 fl 340 fl 140

exemple 279 Fl 240.Fl 240.

By volume what percentage of the air in the lower troposphere consists of water ?

Question 131-14 : 0 5% 5 10% 10 15% 20 30%

Admin .water vapour varies by volume in the lower troposphere from a trace to about 5% therefore on average only about 2 to 3% of the molecules in the air are water vapour molecules the amount of water vapour in the air is small in extremely arid areas and in location where the temperatures are very low i e polar regions very cold weather the volume of water vapour is about 5% in very warm and humid tropical air exemple 283 0-5%.0-5%.

Consider a parcel of air being forced upwards in the atmosphere the lapse rate ?

Question 131-15 : Will tend to descend to its original altitude will tend to ascend further will tend to remain at the new altitude will become conditionally unstable

This is clearly the description of stability .if a parcel of air is forced to rise it will be colder than the air it is rising into so the moment the trigger stops lifting it it will sink back to the level it started from because it is more dense the layer is stable exemple 287 Will tend to descend to its original altitude.Will tend to descend to its original altitude.

What kind of turbulence is dependent on the sun's radiation and therefore ?

Question 131-16 : Convective turbulence mechanical turbulence orographic turbulence turbulence induced by wind speed

exemple 291 Convective turbulence.Convective turbulence.

What is meant by qfe ?

Question 131-17 : The atmospheric pressure at the official aerodrome elevation the atmospheric pressure at the official aerodrome elevation reduced to mean sea level in standard atmospheric conditions the pressure at msl in standard atmospheric conditions the present atmospheric pressure at an aerodrome converted to mean sea level in accordance with the actual conditions

Qfe = q code used by pilots and atc that refers to atmospheric pressure and altimeter settings f field e elevation exemple 295 The atmospheric pressure at the official aerodrome elevation.The atmospheric pressure at the official aerodrome elevation.

When the subscale of a pressure altimeter is set to the qfe of the destination ?

Question 131-18 : Zero at landing roll out airfield elevation at landing roll out more than the airfield elevation the aircraft's altitude above msl

exemple 299 Zero at landing roll out.Zero at landing roll out.

If the subscale of an altimeter is set to qnh what will it indicate after ?

Question 131-19 : Aerodrome elevation less than aerodrome elevation when it is colder than standard more than aerodrome elevation when it is warmer than standard less than aerodrome elevation when pressure is lower than standard more than aerodrome elevation when pressure is higher than standard pressure altitude

exemple 303 Aerodrome elevation.Aerodrome elevation.

The mean height of the tropical tropopause is ?

Question 131-20 : 44000 ft 49000 ft 54000 ft 59000 ft

Ecqb01 2013..the tropopause is at the top of the troposphere it marks the boundary between the troposphere and the next atmospheric layer the stratosphere the tropopause is defined as being that part of the atmosphere where temperature no longer decreases with height .the average height of the tropopause is at about 11 km 8 km over the poles 11 km at mid latitudes 16 km over the equator .above tropical regions 15° 30° n and s the mean height of the tropical tropopause is 44000 ft 13 5 km exemple 307 44000 ft.44000 ft.

An aircraft is flying from point a to point b at the flight level corresponding ?

Question 131-21 : Wind speed over b is higher than over paris the true altitude will be higher over b than over a wind speed over a is higher than over b the true altitude will be higher over b than over paris

Ecqb01 2013 exemple 311 Wind speed over b is higher than over paris.Wind speed over b is higher than over paris.

A temperature inversion indicates a state of the atmosphere which is ?

Question 131-22 : Absolutely stable absolutely unstable indifferent conditionally unstable

exemple 315 Absolutely stable.Absolutely stable.

Which fl corresponds with the 150 hpa pressure level ?

Question 131-23 : Fl 450 fl 390 fl 340 fl 300

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 = fl390.150 hpa = fl450.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 exemple 319 Fl 450.Fl 450.

In the icao standard atmosphere which of the following alternatives indicates ?

Question 131-24 : 15°c at mean sea level decreasing at 0 65°c per 100 metres 13°c at mean sea level decreasing at 2°c per 1000 feet 15°c at mean sea level decreasing at 0 65°c per 100 feet 15 2°c at mean sea level decreasing at 0 65°c per 100 metres

Ecqb01 june 2013 exemple 323 15°c at mean sea level, decreasing at 0,65°c per 100 metres.15°c at mean sea level, decreasing at 0,65°c per 100 metres.

An aircraft is flying from point a to point b at the flight level corresponding ?

Question 131-25 : Wind speed over a is higher than over b the true altitude will be higher over a than over b wind speed over b is higher than over a the true altitude will be higher over a than over madrid

Revised ecqb03 july 2016 ..isobars are tighter at a than b so wind speed over a is higher than over b exemple 327 Wind speed over a is higher than over b.Wind speed over a is higher than over b.

Which constant pressure chart is standard for fl 450 ?

Question 131-26 : 150 hpa 200 hpa 250 hpa 300 hpa

Easa 2014..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 = fl390.150 hpa = fl450..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 exemple 331 150 hpa.150 hpa.

What is meant by the term 'altitude' ?

Question 131-27 : The vertical distance of a level or a point measured from mean sea level the vertical distance of a level or a point measured from the earth's surface altimeter indication when altimeter subscale is set to present qfe the vertical distance of a level or a point measured from the aerodrome reference point

Easa 2014 exemple 335 The vertical distance of a level or a point measured from mean sea level.The vertical distance of a level or a point measured from mean sea level.

Which fl corresponds with the 250 hpa pressure level ?

Question 131-28 : Fl 340 fl 390 fl 450 fl 300

Easa 2014..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 = fl390.150 hpa = fl450..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 exemple 339 Fl 340.Fl 340.

An aircraft flies at flight level 40 elevation of the aerodrome 990 ft qnh 976 ?

Question 131-29 : Only a small change of altitude is necessary the aircraft has to descend about 2000 ft the aircraft has to climb about 1000 ft the aircraft has to descend about 1000 ft

Easa 2014 ..aerodrome elevation is a irrelevant .the aircraft is at fl 40 referenced to 1013 hpa now it must fly at 3000 ft referenced to qnh of 976 hpa .the difference is 37 hpa which at 27 ft per hpa = 999 ft .so only a 1 ft change is needed here exemple 343 Only a small change of altitude is necessary.Only a small change of altitude is necessary.

A surface based inversion is a characteristic of ?

Question 131-30 : Nocturnal radiation during clear nights cumulus clouds hill fog the passage of cold front

Ecqb03 july 2016 ..air close to the surface is cooled significantly but the air above it isn't and the surface temperature falls below the temperature of the air above exemple 347 Nocturnal radiation during clear nights.Nocturnal radiation during clear nights.

Flight from lisbon to kingston .considering the route segment between 30°w and ?

Question 131-31 : 56°c 59°c 52°c 61°c

exemple 351 -56°c.-56°c.

What is the approximate value of atmospheric pressure at 11000 m amsl in ?

Question 131-32 : One fourth one half one eights the same

Ecqb03 july 2016 exemple 355 One-fourth.One-fourth.

Which type of inversion can lead to fog formation due to the temperature of air ?

Question 131-33 : Ground inversion frontal inversion turbulence inversion subsidence inversion

Ecqb03 july 2016 exemple 359 Ground inversionGround inversion

You are flying at fl 300 where the outside air temperature is 57 5°c and the ?

Question 131-34 : 28500 ft 30000 ft 25000 ft 31500 ft

Ecqb03 august 2016 exemple 363 28500 ft.28500 ft.

At what flight level is the zero degree isotherm at the equator ?

Question 131-35 : Fl 180 fl 150 fl 200 fl 250

Admin . the zero degree isotherm in the 'polar regions' is at ground level . the zero degree isotherm in 'temperate regions' is at mean sea level in winters and at about 10000 feet in summers . the zero degree isotherm in 'tropics' area 15° 30° n and s of the equator is at about 16000 feet . the zero degree isotherm at the equator is at about 18000 ft fl180 exemple 367 Fl 180.Fl 180.

Why are polar regions colder than equatorial regions ?

Question 131-36 : Because the angle of incidence of the solar radiation is very small in polar regions because the angle of incidence of the solar radiation is very large in polar regions the sky in the polar regions is cloud covered almost all the year the polar regions stay in the dark almost all the year

Ecqb03 december 2016 exemple 371 Because the angle of incidence of the solar radiation is very small in polar regions.Because the angle of incidence of the solar radiation is very small in polar regions.

Which of the following is true concerning atmospheric pressure ?

Question 131-37 : It decreases with height it is higher in winter than in summer it is higher at night than during the day it always decreases with height at a rate of 1 hpa per 8m

Admin .the decrease of 1 hpa/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 exemple 375 It decreases with height.It decreases with height.

The vertical temperature gradient lapse rate in the international standard ?

Question 131-38 : 6 5°c per 1000 m 2°c per 1000 m 3°c per 1000 m 4 5°c per 1000 m

exemple 379 6.5°c per 1000 m.6.5°c per 1000 m.

What is the approximate height of the tropopause between keflavik and helsinki ?

Question 131-39 : Fl 320 fl 300 fl 360 fl 350

Admin . 462.you will find fl 325 closest answer is fl 320 exemple 383 Fl 320.Fl 320.

For a flight from the azores to the bermudas the tropical tropopause is to be ?

Question 131-40 : 51000 ft 12000 metres 60 000 ft 14000 metres 39 000 ft 9000 metres 33 000 ft 8000 metres

exemple 387 51000 ft (12000 metres).51000 ft (12000 metres).

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