Quiz #5

TAF

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Thank you and good luck.
Eric Morris
President
Sheffield School of Aeronautics

1. Which primary source contains information regarding the expected weather at the destination airport at the ETA?

Low-Level Prog Chart.
Radar Summary and Weather Depiction Charts.
Terminal Aerodrome Forecast.

2. Weather conditions expected to occur in the vicinity of the airport, but not at the airport, are denoted by the letters "VC." When VC appears in a Terminal Aerodrome Forecast, it covers a geographical area of

a 5 to 10 statute mile radius from the airport.
a 5-mile radius of the center of a runway complex.
10 miles of the station originating the forecast.

3. Which are the only cloud types forecast in the Terminal Aerodrome Forecast?

Altocumulus
Cumulonimbus
Stratocumulus

4. What weather is predicted by the term VCTS in a Terminal Aerodrome Forecast?

Thunderstorms are expected in the vicinity.
Thunderstorms may occur over the station and within 50 miles of the station.
Thunderstorms are expected between 5 and 25 miles of the runway complex.

5. A PROB40 (PROBabillty) HHhh group in an International Terminal Aerodrome Forecast (TAF) indicates the probability of

thunderstorms or other precipitation.
precipitation or low visibility.
thunderstorms or high wind.

6. At which time is IFR weather first predicted at Lubbock (KLBB)?

TAF
KLBB 031745Z 031818 06012KT 3SM -TSRA SCT010 OVC020
FM2100 04015KT 5SM BR BKN020 OVC060 PROB40 0103 06025G35KT 1/8SM +SHRASNPL OVC003
FM0400 05018KT 3SM -RA BR OVC010 PROB30 0608 07020KT 1SM +TSRA
FM0900 00000KT 1/4SM -RA FG VV002
FM1300 01005G12KT 1SM FZRA
FM1600 VRB04KT 1/8SM FG VV001

2100Z
 0100Z
 0400Z

7. What type conditions can be expected for a flight scheduled to land at San Angelo (KSJT) at 1500Z?

TAF KSJT 031745Z 031818 12012KT 6SM HZ BKN016
FM2000 17018KT 4SM BR BKN025
FM2200 14020G28KT 3SM GS BKN030 OVC250 PROB40 0103 16025G32KT 1SM +TSRA OVC008CB
FM0900 17020G34KT 2SM RA BR OVC010CB

Chance of 1 statute mile visibility and cumulonimbus clouds.
 IFR conditions due to low visibility, rain, and mist.
 IFR conditions due to low ceilings, rain, and fog.

8. A calm wind that is forecast, in the International Terminal Aerodrome Forecast (TAF), if a wind speed of

VRB00KT.
00000KT.
00003KT.

9. In the International Terminal Aerodrome Forecast (TAF), a variable wind direction is noted by "VRB" where the three digit direction usually appears. A calm wind appears in the TAF as

"00003KT."
"CALM."
"00000KT."

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