Vayudoot Aviation

1. Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG 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

Many long term changes in the original weather

A quick change to new conditions between 1800 UTC and 1900 UTC

Many short term changes in the original weather

2. In the TAF for Dehli (India), 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 ?

120 minutes

60 minutes

10 minutes

20 minutes

3. Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What does the abbreviation “PROB30” mean?

The cloud ceiling should lift to 3000 FT

Change expected in less than 30 minutes.

Conditions will last for at least 30 minutes

Probability of 30%.

4. Which of the following phenomena can produce a risk of aquaplaning?

FG

+RA

BCFG

SA

5. Which of the following statements is an interpretation of the METAR? 25020G38KT 1200 +TSGR BKN006 BKN015CB 23/18 Q1016 BECMG NSW =

Mean wind speed 20-38 knots, meteorological visibility 1200 metres, temperature 23°C

Broken, cloudbase 600 feet and 1500 feet, temperature 18°C

Wind 250°, thunderstorm with moderate hail, QNH 1016 hPa

Gusts of 38 knots, thunderstorm with heavy hail, dew point 18°C

6. Look at this TAF for Zurich Airport TAF LSZH 211322 22018G35KT 9999 SCT012 BKN030 BECMG 1315 25025G45KT TEMPO 1720 4000 +SHRA BKN025TCU BECMG 2022 25015KT T1815Z T1618Z = Which of these statements best describes the weather most likely to be experienced at 1500 UTC?

Meteorological visibility 10 kilometres or more, main cloudbase 3000 feet, wind 250°, temperature 18°C

Meteorological visibility 10 kilometres or more, main cloudbase 1200 feet, gusts up to 45 knots

Severe rain showers, meteorological visibility 4000 metres, temperature 15°C, gusts up to 35 knots

Meteorological visibility 4000 metres, gusts up to 25 knots, temperature 18°C

7. The cloud base, reported in the METAR, is the height above

the highest terrain within a radius of 8 km from the observation station

the pressure altitude of the observation station at the time of observation

airfield level

mean sea level

8. In which of the following 1850 UTC METAR reports, is the probability of fog formation, in the coming night, the highest?

00000KT 9999 SCT300 21/01 Q1032 NOSIG =

VRB02KT 2500 SCT120 14/M08 Q1035 NOSIG =

22004KT 6000 -RA SCT012 OVC030 17/14 Q1009 NOSIG =

VRB01KT 8000 SCT250 11/10 Q1028 BECMG 3000 =

9. Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What does the abbreviation “BKN004” mean?

1 - 4 oktas, ceiling 400 FT

1 - 4 oktas, ceiling 400 m.

4 - 8 oktas, ceiling 400 m.

5 - 7 oktas, ceiling 400 FT.

10. Which of these four METAR reports suggests that rain is most likely in the next few hours?

16002KT 0100 FG SCT300 06/06 Q1022 BECMG 1000 =

23015KT 8000 BKN030 OVC070 17/14 Q1009 BECMG 4000 =

34004KT 9999 SCT040 SCT100 m05/m08 Q1014 NOSIG =

05016G33KT 8000 OVC015 08/06 Q1028 NOSIG =

11. How would a severe mountain wave be coded in a SIGMET message?

+ MTW

SEVERE MNTW

SEV MNTW

SEV MTW

12. Which of the following statements is an interpretation of the SIGMET? LSAW SWITZERLAND 0307 SIGMET 2 VALID 030700/031100 LSSW mod to sev cat fcst north of alps btn fl 260 and fl 380 / stnr / intsf =

Moderate to strong clear air turbulence of constant intensity to be expected north of the Alps

Zone of moderate to severe turbulence moving towards the area north of the Alps. Intensity increasing. Pilots advised to cross this area above FL 260

Severe turbulence observed below FL 260 north of the Alps. Pilots advised to cross this area above FL 380

Moderate to severe clear air turbulence to be expected north of the Alps. Intensity increasing. Danger zone between FL260 and FL 380

13. Which of the following weather reports could be, in accordance with the regulations, abbreviated to “CAVOK”? (MSA above ground: LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

LSGG 22003KT 9999 SCT120 BKN280 09/08 Q1026 BECMG 5000 =

LSZB 30004KT 9999 SCT090 10/09 Q1006 NOSIG =

LSZH 26024G52KT 9999 BKN060 17/14 Q1012 RETS TEMPO 5000 TSRA =

LFSB 00000KT 9000 SCT080 22/15 Q1022 NOSIG =

14. What does the term TREND signify?

It is a warning of dangerous meteorological conditions

It is the actual weather report at an aerodrome and is generally issued at half-hourly intervals

It is a brief landing forecast added to the actual weather report

It is a flight forecast, issued by the meteorological station several times daily

15. Runway Visual Range (RVR) is

reported when meteorological visibility is less than 2000m

usually better than meteorological visibility

measured with ceilometers alongside the runway

reported in TAF and METAR

16. Refer to the TAF for Bordeaux airport. FCFR31 281400 LFBD 1524 26015KT 9999 SHRA BKN020 TEMPO 1620 26020G30KT 8000 +SHRA BKN015CB PROB30 TSRA = Flight Lisbon to Bordeaux, ETA 1800 UTC. What type of precipitation is forecast on the approach to Bordeaux ?

Moderate snow showers

Continuous moderate rain

Light drizzle and fog

Heavy rain showers

17. Appended to a METAR you get the following runway report: 01650428 What must you consider when making performance calculations?

The runway will be wet

Aquaplaning conditions

The friction coefficient is 0.28

The braking action will be medium to good

18. ATIS information contains

only operational information

meteorological and operational information

only meteorological information

operational information and if necessary meteorological information

19. On the European continent METARs of main airports are compiled and distributed with intervals of

2 hours

0.5 hour

3 hours

1 hour

20. Which of the following statements is an interpretation of the SIGMET? SIGMET VALID 121420/121820 embd ts obs and fcst in w part of athinai fir / mov e / intst nc =

Thunderstorms must be expected in the western part of the Athens FIR. The thunderstorm zone is moving east. Intensity is constant

Thunderstorms have formed in the eastern part of the Athens FIR and are slowly moving west

The thunderstorms in the Athens FIR are increasing in intensity, but are stationary above the western part of the Athens FIR

Athens Airport is closed due to thunderstorms. The thunderstorm zone should be east of Athens by 1820 UTC

21. Refer to the TAF for Zurich Airport TAF LSZH 250716 00000KT 0100 FG VV001 BECMG 0810 0800 VV002 BECMG 1012 23005KT 2500 BKN005 TEMPO 1316 6000 SCT007 = Which of these statements best describes the weather that can be expected at 1200 UTC?

Meteorological visibility 2,5 kilometres, cloudbase 500 feet, windspeed 5 knots

Meteorological visibility 6 kilometres, cloudbase 500 feet, windspeed 5 knots

Meteorological visibility 800 metres, wind from 230°, cloudbase 500 feet

Meteorological visibility 800 metres, vertical visibility 200 feet, calm

22. Which of the following weather reports could be, in accordance with the regulations, abbreviated to “CAVOK”? (MSA above ground : LSZB 10000 FT, LSZH 8000 FT, LSGG 12000 FT, LFSB 6000 FT)

LFSB 24008KT 9999 SCT050 18/11 Q1017 RERA NOSIG =

LSZH VRB02KT 9000 BKN080 21/14 Q1022 NOSIG =

LSGG 22006KT 9999 BKN090 17/15 Q1008 RERA NOSIG =

LSZB 28012KT 9999 OVC100 16/12 Q1012 BECMG 5000 =

23. The RVR, as reported in a METAR, is always the

average value of the A-, B- and C-position

lowest value of the A-, B- and C-position

value representative of the touchdown zone

highest value of the A-, B- and C-position

24. Within a short interval, several flight crews report that they have experienced strong clear air turbulence in certain airspace. What is the consequence of these reports?

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

25. The wind direction in a METAR is measured relative to

grid north

true north

magnetic north

the 0-meridian

26. If CAVOK is reported then

no low drifting snow is present

low level windshear has not been reported

any CB’s have a base above 5000 FT

no clouds are present

27. Refer to the TAF for Amsterdam airport: FCNL31 281500 EHAM 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW BKN020 = Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What is the minimum visibility forecast for ETA Amsterdam ?

5 NM

3 km

6 km

5 km

28. Which of the following weather reports could be, in accordance with the regulations, abbreviated to “CAVOK”?

34004KT 7000 MIFG SCT260 09/08 Q1029 BECMG 1600 =

27019G37KT 9999 BKN050 18/14 Q1016 NOSIG =

00000KT 0100 FG VV001 11/11 Q1025 BECMG 0500 =

26012KT 8000 SHRA BKN025 16/12 Q1018 NOSIG =

29. Runway visual range can be reported in

a TAF

a METAR

both a TAF and a METAR

a SIGMET

30. What does the term METAR signify?

A METAR is a warning of dangerous meteorological conditions within a FIR.

A METAR is a landing forecast added to the actual weather report as a brief prognostic report

A METAR signifies the actual weather report at an aerodrome and is generally issued in half-hourly intervals

A METAR is a flight forecast, issued by the meteorological station several times daily.

31. Refer to the TAF for Amsterdam airport. FCNL31 281500 EHAM 281601 14010KT 6000 -RA SCT025 BECMG 1618 12015G25KT SCT008 BKN013 TEMPO 1823 3000 RA BKN005 OVC010 BECMG 2301 25020KT 8000 NSW BKN020 = Flight from Bordeaux to Amsterdam, ETA 2100 UTC. What lowest cloud base is forecast for arrival at Amsterdam?

250 FT

800 FT

500 m

500 FT

32. Refer to the following TAF for Zurich. LSZH 061019 20018G30KT 9999 -RA SCT050 BKN080 TEMPO 23012KT 6000 -DZ BKN015 BKN030 BECMG 1518 23020G35KT 4000 RA OVC010= The lowest cloud base forecast at ETA Zurich (1200 UTC) is

1500 m.

1000 FT.

5000 FT.

1500 FT.

33. Given the following METAR: EDDM 250850Z 33005KT 2000 R26R/P1500N R26L/1500N BR SCT002 OVC003 05/05 Q1025 NOSIGGiven the following METAR: EDDM 250850Z 33005KT 2000 R26R/P1500N R26L/1500N BR SCT002 OVC003 05/05 Q1025 NOSIG

RVR on runway 26R is increasing

Visibility is reduced by water droplets

There is a distinct change in RVR observed

Runway 26R and runway 26L have the same RVR

34. In the following SIGMET message, what is the hazard forecast? LFFF SIGMET 1 VALID 310600/311100 LFPW- UIR FRANCE MOD TURB FCST BLW FL420 W of 04W MOVE E 30KT NC=

Moderate turbulence below 42 000 ft west of 4 degrees west and moving eastwards

Moderate turbulence at 42 000 ft west of 4 degrees west and moving eastwards

Turbulence at 42 000 ft west of 4 degrees west and moving at 30 kts

Moderate turbulence below 42 000 ft west of 4 degrees west and moving from the east

35. What do the first four letters of the SIGMET message identify?

The issue number

The name of the air traffic services controlling unit

The ICAO identifier for the relevant airport

The validity time

36. The validity of a TAF is

9 hours from the time of issue

2 hours

between 6 and 9 hours

stated in the TAF

37. In which weather report would you expect to find information about icing conditions on the runway?

METAR

GAFOR

SIGMET

TAF

38. The following weather report EDDM 241322 VRB03KT 1500 HZ OVC004 BECMG 1517 00000KT 0500 FG VV002 TEMPO 2022 0400 FG VV001 is a

9 hour TAF.

24 hour TAF.

METAR.

SPECI.

39. Refer to the following TAF extract: BECMG 1821 2000 BKN004 PROB30 BECMG 2124 0500 FG VV001 What does the abbreviation “VV001” mean?

Vertical visibility 100 m

Vertical visibility 100 FT

RVR greater than 100 m

RVR less than 100 m

40. Compare the following TAF and VOLMET reports for Nice: TAF 240716 VRB02KT CAVOK = 0920Z 13012KT 8000 SCT040CB BKN100 20/18 Q1015 TEMPO TS = What can be concluded from the differences between the two reports ?

That the VOLMET speaker has got his locations mixed up, because there is no way the latest VOLMET report could be so different from the TAF

That the weather at Nice is clearly more volatile than the TAF could have predicted earlier in the morning

That the weather in Nice after 0920 is also likely to be as predicted in the TAF

That the weather conditions at 0920 were actually predicted in the TAF

41. What is the wind speed given in a METAR report based on?

The average speed of the previous 10 minutes

The strongest gust in the previous hour

The average speed of the previous 30 minutes

The actual speed at the time of recording

42. Which of the following weather reports could be, in accordance with the regulations, abbreviated to “CAVOK”?

04012G26KT 9999 BKN030 11/07 Q1024 NOSIG =

29010KT 9999 SCT045TCU 16/12 Q1015 RESHRA NOSIG =

24009KT 6000 RA SCT010 OVC030 12/11 Q1007 TEMPO 4000 =

15003KT 9999 BKN100 17/11 Q1024 NOSIG =

43. In which of the following METAR reports, is the probability of fog formation in the coming night the highest?

1850Z 06018G30KT 5000 OVC010 04/01 Q1024 NOSIG =

1850Z 15003KT 6000 SCT120 05/04 Q1032 BECMG 1600 =

1850Z 21003KT 8000 SCT250 12/m08 Q1028 NOSIG =

1850Z 25010KT 4000 RA BKN012 OVC030 12/10 Q1006 TEMPO 1500 =

44. What is the expected change in the weather intensity indicated by this SIGMET? EGTT SIGMET 1 VALID 310730/311130 EGRR LONDON FIR ISOL CB FCST TOPS FL370 ROUTES W OF W00400 NC=

Dissipating

Weakening

No change

Strengthening

45. In METAR messages, the pressure group represents the

QNH rounded up to the nearest hPa

QFE rounded to the nearest hPa

QNH rounded down to the nearest hPa

QFE rounded down to the nearest hPa

46. You receive the following METAR : LSGG 0750Z 00000KT 0300 R05/0700N FG VV001 M02/M02 Q1014 NOSIG = What will be the RVR at 0900 UTC?

900 m

The RVR is unknown, because the “NOSIG” does not refer to RVR.

300 m

700 m

47. At a weather station, at 0600 UTC, the air temperature and dew point are respectively: T = - 0,5°C,Td = -1,5°C. In the METAR message transmitted by this station, the “temperature group” will be:

M01/M01

00/M01

M01/M02

M00/M01

48. Refer to TAF below. EGBB 261812 28015G25KT 9999 SCT025 TEMPO 1822 29018G35KT 5000 SHRASN BKN010CB PROB30 TEMPO 1821 1500 TSGR BKN008CB BECMG 2124 26010KT From the TAF above you can assume that visibility at 2055Z in Birmingham (EGBB) will be:

not less than 1,5 km but could be in excess of 10 km

a minimum of 1,5 km and a maximum of 5 km

a maximum 5 km

more than 10 km

49. 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:

1000 FT at Ajaccio and 500 FT at Calvi

1000 FT at Ajaccio and 9000 FT at Calvi

8000 FT at Ajaccio and 9000 FT at Calvi

1000 FT at Ajaccio and 2000 FT at Calvi

50. What is a trend forecast?

A routine report

An aerodrome forecast valid for 9 hours

A landing forecast appended to METAR/SPECI, valid for 2 Hours

A route forecast valid for 24 hours

Question Bank

Questions for SIGMET