Commercial Pilot Ch 8

Front 1

The telephone information Briefing Service (TIBS) provided by AFSSs includes

Back 1

continuous recording of meteorological and/or aeronautical information available by telephone

Front 2

The most current en route and destination weather information for an instrument flight should be obtained from the

Back 2

FSS

Front 3

the hazardous inflight weather advisory service (HIWAS) is a broadcast service over selected VORs that provides

Back 3

continuous broadcast of inflight weather advisories

Front 4

En flight Advisory Service (EFAS) is a service that provides enroute aircraft with timely and meaningful weather advisories pertinent to the type of flight intended, route, and altitude. This information is received by

Back 4

contacting flight watch, using the name of the ARTCC facility identification in your area, your aircraft identification, and name of nearest VOR, on 122.0 MHz below 17,500 feet MSL

Front 5

During preflight preparation, weather report forecasts which are not routinely available at the local service outlet (AFSS) can best be obtained by means of contacting

Back 5

weather forecast office (WFO)

Front 6

Weather Advisory Broadcasts, including Severe weather Forecast alerts (AWW), Convective SIGMETs, and SIGMETs, are provided by

Back 6

ARTCCs on all frequencies, except emergency, when any part of the area described is within 150 miles of the airspace under their jurisdiction

Front 7

Refer to the excerpt from the following METAR report:

KTUS.....08004KT 4SM HZ.....26/04 A2995 RMK RAE36

at approximately what altitude AGL should bases of convective-type cumuliform clods be expected?

Back 7

8,800 feet

Front 8

What significant cloud coverage is reported by the pilot report?

KMOB
UA/OV 15NW MOB 1340Z/SK OVC 025/045 OVC 090

Back 8

the top of the lower overcast is 2,500 feet; base and top of second overcast layer is 4,500 and 9,000 feet, respectively.

Front 9

The remarks section of the Aviation Routine Weather Report (METAR) contains the following coded information. What does it mean?

RMK FZDZB42 WSHFT 30 FROPA

Back 9

wind shift at three zero due to frontal passage

Front 10

The station originating the following METAR observation has a field elevation of 3,500 feet MSL. If the sky cover is one continuous layer, what is the thickness of cloud layer? (Top of overcast reported at 7,500 feet MSL)

METAR KHOB 151250Z 17006KT 4SM OVC005 13/11 A2998

Back 10

3,500 feet

Front 11

What is meant by the Special METAR weather observation for KBOI?

SPECI KBOI 091854Z 32005KT 1 1/2SM RA BR OVC007 17/16 A2990 RMK RAB12

Back 11

rain and mist obstructing visibility; rain began at 1812Z

Front 12

Which is true concerning the radar weather report (SD) for KOKC?

KOKC 1934 LN STRW ++/+ 86/40 164/60 199/115 15W L2425 MT 570 AT 159/65 2 INCH HAIL RPRTD THIS CELL

Back 12

the maximum tops of cells is 57,000 feet located 65 NM southwest of the station

Front 13

The surface analysis chart depicts

Back 13

actual frontal positions, pressure patterns, temperature, dewpoint, wind, weather, and obstructions to vision at the valid time of the chart

Front 14

On a surface analysis chart, the solid lines that depict sea level patterns are called

Back 14

isobars

Front 15

Dashed lines on a Surface Analysis Chart, if depicted, indicate that the pressure gradient is

Back 15

weak

Front 16

On a surface analysis chart, close spacing of the isobars indicates

Back 16

strong pressure gradient

Front 17

which chart provides a ready means of locating observed frontal positions and pressure centers

Back 17

surface analysis chart

Front 18

What flight planning information can a pilot derive from Constant Pressure Analysis Charts?

Back 18

Winds and temperature aloft

Front 19

From which of the following can te observed temperature, wind, and temperature/dewpoint spread be determined at a specified altitude

Back 19

Constant Pressure Analysis Charts

Front 20

Hatching on a constant Pressure analysis Chart indicates

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windspeed 70 knots to 110 knots

Front 21

What is the meaning of the terms PROB40 2102 +TRSA as used in a terminal aerodrome forecast (TAF)

Back 21

between 2100Z and 0200Z there is a forty percent (40%) probability of thunderstorms with heavy rain

Front 22

What does the contraction VRB in the terminal Aerodrome Forecast (TAF) mean?

Back 22

wind direction is variable

Front 23

Which statement pertaining to the following Terminal Aerodrome Forecast (TAF) is true?

TAF
KMEM 091135Z 0915 15005KT 5SM HZ BKN060 FM1600 VRB04KT P6SM SKC

Back 23

SKC in the valid period indicates no significant weather and sky clear

Front 24

The visibility entry in a terminal Aerodrome Forecast (TAF) of P6SM implies that the prevailing visibility is expected to be greater than

Back 24

6 statute miles

Front 25

Terminal Aerodrome Forecasts (TAF) are issued how many times a day and cover what period of time

Back 25

four times daily and are usually valid for a 24 hour period

Front 26

the Aviation weather center (AWC) prepares FA's for the contiguous U.S.

Back 26

three times each day

Front 27

Which information section is contained in the aviation area forecast (FA)

Back 27

VFR Clouds and weather (VFR CLDS/WX)

Front 28

The section of the aviation area forecast (FA) entitled VFR Clouds and weather contains a summary of

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sky condition, cloud heights, visibility, obstructions to vision, precipitation, and sustained surface winds of 20 knots or greater

Front 29

What single reference contains information regarding a volcanic eruption, that is occurring or expected to occur

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in-flight weather advisories

Front 30

in-flight aviation weather advisories include what type of information

Back 30

Forecasts for potentially hazardous flying conditions for en route aircraft

Front 31

What type of in-flight weather Advisories provides an en route pilot with information regarding the possibility of moderate icing, moderate turbulence, winds of 30 knots or more at the surface and extensive mountain obscurement?

Back 31

AIRMET's and Center Weather Advisories (CWA)

Front 32

SIGMETs are issued as a warning of weather conditions which are hazardous

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to all aircraft

Front 33

Which correctly describes the purpose of convective SIGMETs (WST)?

Back 33

They consist of either an observation and a forecast or just a forecast for tornadoes, significant thunderstorm activity, or hail greater than or equal to 3/4 inch in diameter

Front 34

What wind conditions would you anticipate when squall are reported at your destination?

Back 34

sudden increases in windspeed of at least 16 knots to a sustained speed of 22 knots or more for at least 1 minute

Front 35

Which weather chart depicts conditions forecast to exist at a specific time in the future

Back 35

12-hour Significant Weather Prognostic Chart

Front 36

What is the upper limit of the low level significant weather prognostic chart

Back 36

24,000 feet

Front 37

What weather phenomenon is implied within an area enclosed by small scalloped lines on a U.S. High-level significant weather prognostic chart?

Back 37

Cumulonimbus clouds, icing, and moderate or greater turbulence

Front 38

The U.S. high-level significant weather prognostic chart forecasts significant weather for what airspace?

Back 38

24,000 feet to 63,000 feet

Front 39

To best determine observed weather conditions between weather reporting stations, the pilot should refer to

Back 39

pilot reports

Front 40

When total sky cover is few or scattered, the height on the weather depiction is the

Back 40

base of the lowest layer

Front 41

which provides a graphic display of both VFR and IFR weather?

Back 41

weather depiction chart

Front 42

What information is provided by the radar summary chart that is not shown on the other weather charts

Back 42

lines and cells of hazardous thunderstorms

Front 43

What values are used for winds aloft forecasts

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true direction and knots

Front 44

a freezing level panel of the composite moisture stability chart is an analysis of

Back 44

observed freezing level data from upper air observations