Instrument 9

Front 1

AIRMETs are issued on a schedule basis every

Back 1

six hours

Front 2

what is the maximum forecast period for AIRMETs

Back 2

six hours

Front 3

SIGMETs are issued as a warning of weather conditions potentially hazardous

Back 3

to all aircraft

Front 4

which meteorological condition is issued in the form of a SIGMET (WS)

Back 4

widespread sand or dust storms lowering visibility to less than 3 miles

Front 5

which meteorological condition is issued in the form of a SIGMET (WS)

Back 5

widespread sand or dust storms affecting at least 3,000 square miles or an area deemed to have significant effect on the safety of aircraft operations

Front 6

Pilots of IFR flights seeking ATC in-flight weather avoidance assistance should keep in mind that

Back 6

ATC radar limitations and, frequency congestion may limit the controllers capability to provide this service

Front 7

The hazardous inflight weather advisory Service (HIWAS) is a continuous broadcast over selected

Back 7

SIGMETs, CONVECTIVE SIGMETs, AIRMETs, severe weather forecast alerts(AWW), and center weather advisories

Front 8

What is meant by the entry in the remarks section of METAR surface report for KBNA?

Back 8

Rain ended 42 past the hour, snow began 42 past the hour

Front 9

A ceiling is defined as the height of the

Back 9

lowest layer of clouds or obscuring phenomena aloft that is reported as broken or overcast

Front 10

The reporting station originating this aviation routine weather report has a field elevation of 620 feet. If the reported sky cover is one continuous layer, what is it's thickness (tops of OVC are reported at 6,500 feet)

Back 10

5,180 feet

Front 11

The station originating the following weather report had a field elevation of 1,3000 feet MSL, from the bottom of the overcast cloud layer, what is its thickness (tops of OVC are reported at 3,800 feet)?

Back 11

500 feet

Front 12

What significant sky condition is reported in this METAR observation

Back 12

sky is obscured with vertical visibility of 800 feet

Front 13

Interpret this PIREP

Back 13

At 6,000 feet; between layers; moderate turbulence; moderate rain

Front 14

Which response most closely interprets the following PIREP?

Back 14

64 nautical miles on the 63 degree radial from Oklahoma City VOR at 1522 UTC, flight level 8,000 ft. type of aircraft is a Cessna 172

Front 15

(Refer to figure 4 on page 319) The weather depiction chart in the area of northwestern Wyoming indicates

Back 15

500-foot ceilings and continuous rain, less than 3 miles visibility

Front 16

(Refer to figure 4 on page 319)The weather depiction chart indicates the heaviest precipitation is occurring in

Back 16

north central Minnesota

Front 17

(Refer to figure 4 on page 319) What is the meaning of a bracket (]) plotted to the right of the station circle on a weather depiction chart

Back 17

the station is an automated observation location

Front 18

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow A on the Radar Summary Chart

Back 18

Strong to very strong echoes; echo tops 30,000 feet MSL; thunderstorms and rain showers

Front 19

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow B on the Radar Summary Chart

Back 19

weak to moderate echoes, rain showers increasing in intensity

Front 20

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow C on the Radar Summary Chart

Back 20

Area movement toward the northeast, strong to very strong echoes tops 28,000 feet MSL

Front 21

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow D on the Radar Summary Chart

Back 21

Intense to extreme echoes within the smallest contour, echo tops 29,000 feet MSL, and cell movement toward the northeast at 50 knots

Front 22

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow E on the Radar Summary Chart

Back 22

highest echo tops 30,000 feet MSL, weak to moderate echoes, thunderstorms and rain showers, and cell movement toward northwest at 15 knots

Front 23

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow F on the Radar Summary Chart

Back 23

Line of echoes; thunderstorms; highest echo tops 45,000 feet MSL; no line movement indicated

Front 24

(Refer to figure 8 on page 321) What weather conditions are depicted in the area indicated by arrow G on the Radar Summary Chart

Back 24

echo bases 10,000 feet MSL; cell movement toward northeast at 15 knots; weak to moderate echoes; rain

Front 25

For the most effective use of the Radar Summary Chart during preflight planning, a pilot should

Back 25

know the chart displays precipitation only; it does not display clouds, fog, fronts, or other boundaries

Front 26

What important information is provided by the Radar Summary Chart that is not shown on other weather charts

Back 26

Lines and cells of hazardous thunderstorms

Front 27

From which Primary source should you obtain information regarding the weather expected to exist at your destination at your estimated time of arrival

Back 27

terminal aerodrome forecast

Front 28

What is the wind shear forecast in the following TAF?

Back 28

500 feet AGL from 270' at 50 KT

Front 29

what is the forecast wind at 1800Z in the following TAF?

Back 29

calm

Front 30

When the visibility is greater than 6 SM on a TAF it is expressed as

Back 30

P6SM

Front 31

A "VRB" wind entry in a Terminal Aerodrome Forecast (TAF) will be indicated when the wind is

Back 31

3 knots or less

Front 32

Which primary source should be used to obtain forecast weather information at your destination for the planned ETA?

Back 32

terminal aerodrome forecast(TAF)

Front 33

The body of a terminal aerodrome forecast(TAF) covers a geographical proximity within a

Back 33

5 statute mile radius from the center of an airport runway complex

Front 34

Area forecasts generally include a forecast period of 18 hours and cover a

Back 34

area the size of several states

Front 35

"WIND" in the categorical outlook in the aviation area Forecasts means that the wind during that period is forecast to be

Back 35

Sustained surface wind speed of 20 knots or greater

Front 36

A station is forecasting wind and temperature aloft at FL 390 to be 300' at 200 knots; temperature -54'C How would this data be encoded in the FB

Back 36

809954

Front 37

How much colder than standard temperature is the forecast temperature at 9,000 feet, as indicated in the following excerpt from the wind and temperature aloft forecast

Back 37

7'C

Front 38

What wind direction and speed is represented by the entry 9900+00 for 9,000 feet, on a wind and temperature aloft forecast (FB)?

Back 38

light and variable; less than 5 knots

Front 39

When is the wind group at one of the forecast altitudes omitted at a specific location or station in the wind and temperature aloft forecast (FB)? when the wind

Back 39

at the altitude is within 1,500 feet of the station elevation

Front 40

when is the temperature at one of the forecast altitudes omitted at a specific location or station in the wind and temperature aloft forcast (FB)

Back 40

for the 3,000-foot altitude(LEVEL)or when the level is within 2,500 feet of station elevation

Front 41

Which values are used for winds aloft forecasts

Back 41

true direction and knots

Front 42

decode the excerpt from the wind and temperature aloft forecast (FB) for OKC at 39,000 feet

Back 42

wind 330' at 105 knots, temperature -58'C

Front 43

(Refer to figure 2 below)what approximate wind direction, speed, and temperature (relative to ISA) should a pilot expect when planning for a flight over ALB at FL 270?

Back 43

275' true at 97 knots; ISA +4'C

Front 44

(Refer to figure 2 below)what approximate wind direction, speed, and temperature (relative to ISA) should a pilot expect when planning for a flight over PSB at FL 270?

Back 44

255' true at 93 knots; ISA +6'C

Front 45

(Refer to figure 2 on page 326)what approximate wind direction, speed, and temperature (relative to ISA) should a pilot expect when planning for a flight over EMI at FL 270?

Back 45

265' true; 100 knots;ISA +3'C

Front 46

a prognostic chart depicts the conditions

Back 46

forecast to exist at a specific time in the future

Front 47

(Refer to figure 5 below)what is the meaning of the symbol depicted as used on the U.S. Low-level Significant Weather Prognostic Chart

Back 47

showery precipitation(e.g. rain showers) embedded in an area of continuous rain covering half or more of the area

Front 48

which meteorological conditions are depicted by a prognostic chart

Back 48

conditions forecast to exist at a specific time shown on the chart

Front 49

(Refer to figure 18 on page 329) the charts symbols shown in the Gulf of mexico at 12Z and extending into AL,GA, SC and the northern FL indicate a

Back 49

tropical storm

Front 50

(Refer to figure 18 on page 329) the U.S. low level Significant weather Surface Prog Chart at 00Z indicates that northwestern Colorado and eastern Utah can expect

Back 50

moderate or greater turbulence from the surface to FL 240

Front 51

(Refer to figure 18 on page 329) The 24-Hour Low Level significant weather Prog at 12Z indicates that southwestern west virginia will likely experience

Back 51

ceilings less than 1,000 feet, visibility less than 3 miles

Front 52

(Refer to figure 18 on page 329) a planned low altitude flight from northern Florida to southern Florida at 00Z is likely to encounter

Back 52

showery precipitation, thunderstorm/rain showers covering half or more of the area

Front 53

The low-level significant weather prognostic chart depicts weather conditions

Back 53

that are forecast to exist at a valid time shown on the chart

Front 54

(Refer to figure 9 on page 331) The severe weather outlook chart,which is used primarily for advance planning, provides what information

Back 54

a 24-hour severe weather outlook for possible thunderstorm activity

Front 55

(Refer to figure 9 on page 331) The severe weather outlook chart depicts

Back 55

area forecasts to have thunderstorms

Front 56

(Refer to figure 9 on page 331) Using the DAY 2 CONVECTIVE OUTLOOK, what type of thunderstorms, if any, may be encountered on a flight from Montana to central California

Back 56

general

Front 57

(Refer to figure 9 on page 331) What type of thunderstorm activity is expected over Montana on April 4th at 0800Z

Back 57

none

Front 58

(Refer to figure 9 on page 331) The severe weather outlook chart depicts

Back 58

areas of probate severe thunderstorms by the use of single hatched areas on the chart

Front 59

a pilot planning to depart at 1100Z on an IFR flight is particularly concerned about the hazard of icing. What sources reflect the most accurate information on icing conditions (current and forecast) at the time of departure?

Back 59

pilot weather reports (PIREPs). AIRMETs, and SIGMETs

Front 60

what determines how icing is reported on a PIREP

Back 60

rate of accumulation

Front 61

what conclusion(S) can be drawn from a 500-milibar constant pressure chart for a planned flight at FL 180?

Back 61

observed temperature,wind,and temperature/dew point spread along the proposed route can be approximated

Front 62

what flight planning information can a pilot derive from constant pressure charts

Back 62

winds and temperatures aloft

Front 63

which weather forecasts describes prospects for an area coverage of both severe and general thunderstorms during the following 24 hours

Back 63

convective outlook

Front 64

the surface analysis chart depicts

Back 64

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

Front 65

what information is provided by a convective outlook (AC)?

Back 65

it provides prospects of both general and severe thunderstorms activity during the following 24 hours

Front 66

what does a convective outlook (AC) describe for a following 24-hr. period

Back 66

general thunderstorm activity

Front 67

when are severe weather watch bulletins (WW) issued?

Back 67

unscheduled and issued as required

Front 68

(Refer to figure 7 on page 335) what information is indicated by arrow A

Back 68

the height of the tropopause in hundreds of feet above MSL

Front 69

(Refer to figure 7 on page 335) what weather conditions are predicted within the area indicated by arrow C

Back 69

moderate turbulence at 35,000 feet MSL

Front 70

(Refer to figure 7 on page 335) what weather conditions are depicted within the area indicated by arrow B

Back 70

Moderate turbulence from below 24,000 feet MSL to 37,000 feet MSL

Front 71

(Refer to figure 7 on page 335) what weather conditions are depicted within the area indicated by arrow D

Back 71

forcast isolated embedded cumulonimbus clouds with tops at 43,000 feet MSL, and less than 1/8 coverage

Front 72

(Refer to figure 7 on page 335) what weather conditions are depicted within the area indicated by arrow E

Back 72

occasional cumulonimbus, 1/8 tp 4/8 coverage, bases below 24,000 feet MSL and tops at 40,000 feet MSL

Front 73

(Refer to figure 7 on page 335) what weather conditions are depicted within the area indicated by arrow F

Back 73

occasionally embedded cumulonimbus, bases below 24,000 feet with tops to 48,000 feet

Front 74

(Refer to figure 7 on page 335) The symbol on the U.S. HIGH-LEVEL SIGNIFICANT WEATHER PROG, indicated by arrow G, represents the

Back 74

height of the tropopause

Front 75

(Refer to figure 12 on page 339) What is the approximate wind direction and velocity at 34,000 feet (see arrow C)?

Back 75

290'/50 knots

Front 76

(Refer to figure 12 on page 339) the wind direction and velocity on the Observed winds aloft chart (see arrow A) is indicated from the

Back 76

southwest at 35 knots

Front 77

(Refer to figure 12 on page 339) That is the approximate wind direction and velocity at CVG at 34,000 feet (see arrow A)

Back 77

230'/35 knots

Front 78

(Refer to figure 12 on page 339) That is the approximate wind direction and velocity at BOI (see arrow B)

Back 78

250'/95 knots

Front 79

(Refer to figure 7 on page 335) the area indicated by arrow H indicates

Back 79

moderate turbulence at and below 34,000 feet

Front 80

(Refer to figure 29 on page 338) what is the maximum wind velocity forecast in the jet stream shown on the high level significant weather prognostic chart over canada

Back 80

130 knots

Front 81

(Refer to figure 20 on page 338, and figure 12 on page 339) what is the height of the tropopause over Kentucky

Back 81

FL 340