To get a complete weather briefing for the planned flight, the pilot should request

A. a general briefing.

B. an abbreviated briefing.

C. a standard briefing.

Which type weather briefing should a pilot request, when departing within the hour, if no preliminary weather information has been received?

A. Outlook briefing.

B. Abbreviated briefing.

C. Standard briefing.

What minimum upward current must a glider encounter to maintain altitude?

A. At least 2 feet per second.

B. The same as the glider's sink rate.

C. The same as the adjacent down currents.

When requesting weather information for the following morning, a pilot should request

A. an outlook briefing.

B. a standard briefing.

C. an abbreviated briefing.

When telephoning a weather briefing facility for preflight weather information, pilots should state

A. the aircraft identification or the pilot's name.

B. true airspeed.

C. fuel on board.

Individual forecasts for specific routes of flight can be obtained from which weather source?

A. Transcribed Weather Broadcasts (TWEBs).

B. Terminal Forecasts.

C. Area Forecasts.

Transcribed Weather Broadcasts (TWEBs) may be monitored by tuning the appropriate radio receiver to certain

A. airport advisory frequencies.

B. VOR and NDB frequencies.

C. ATIS frequencies.

Which type of weather briefing should a pilot request to supplement mass disseminated data?

A. An outlook briefing.

B. A supplemental briefing.

C. An abbreviated briefing.

A weather briefing that is provided when the information requested is 6 or more hours in advance of the proposed departure time is

A. an outlook briefing.

B. a forecast briefing.

C. a prognostic briefing.

For aviation purposes, ceiling is defined as the height above the Earth's surface of the

A. lowest reported obscuration and the highest layer of clouds reported as overcast.

B. lowest broken or overcast layer or vertical visibility into an obscuration.

C. lowest layer of clouds reported as scattered, broken, or thin.

(Refer to figure 12 .) The wind direction and velocity at KJFK is from

A. 180° true at 4 knots.

B. 180° magnetic at 4 knots.

C. 040° true at 18 knots.

(Refer to figure 12 .) The remarks section for KMDW has RAB35 listed. This entry means

A. blowing mist has reduced the visibility to 1-1/2 SM.

B. rain began at 1835Z.

C. the barometer has risen .35 inches Hg.

(Refer to figure 12 .) What are the current conditions depicted for Chicago Midway Airport (KMDW)?

A. Sky 700 feet overcast, visibility 1-1/2SM, rain.

B. Sky 7000 feet overcast, visibility 1-1/2SM, heavy rain.

C. Sky 700 feet overcast, visibility 11, occasionally 2SM, with rain.

(Refer to figure 12 .) Which of the reporting stations have VFR weather?

A. All.

B. KINK, KBOI, and KJFK.

C. KINK, KBOI, and KLAX.

(Refer to figure 14 .) The intensity of the turbulence reported at a specific altitude is

A. moderate at 5,500 feet and at 7,200 feet.

B. moderate from 5,500 feet to 7,200 feet.

C. light from 5,500 feet to 7,200 feet.

(Refer to figure 14 .) If the terrain elevation is 1,295 feet MSL, what is the height above ground level of the base of the ceiling?

A. 505 feet AGL.

B. 1,295 feet AGL.

C. 6,586 feet AGL.

(Refer to figure 14 .) The intensity and type of icing reported by a pilot is

A. light to moderate.

B. light to moderate clear.

C. light to moderate rime.

(Refer to figure 14 .) The wind and temperature at 12,000 feet MSL as reported by a pilot are

A. 090° at 21 MPH and -9 °F.

B. 080° at 21 knots and -7 °C.

C. 090° at 21 knots and -9 °C.

AIRMETs are advisories of significant weather phenomena but of lower intensities than Sigmets and are intended for dissemination to

A. only IFR pilots.

B. only VFR pilots.

C. all pilots.

What information is contained in a CONVECTIVE SIGMET?

A. Tornadoes, embedded thunderstorms, and hail 3/4 inch or greater in diameter.

B. Severe icing, severe turbulence, or widespread dust storms lowering visibility to less than 3 miles.

C. Surface winds greater than 40 knots or thunderstorms equal to or greater than video integrator processor (VIP) level 4.

Which in-flight advisory would contain information on severe icing not associated with thunderstorms?

A. Convective SIGMET.

B. SIGMET.

C. AIRMET.

SIGMETs are issued as a warning of weather conditions hazardous to which aircraft?

A. Small aircraft only.

B. Large aircraft only.

C. All aircraft.

When the term 'light and variable' is used in reference to a Winds Aloft Forecast, the coded group and windspeed is

A. 0000 and less than 7 knots.

B. 9900 and less than 5 knots.

C. 9999 and less than 10 knots.

What values are used for Winds Aloft Forecasts?

A. Magnetic direction and knots.

B. Magnetic direction and miles per hour.

C. True direction and knots.

(Refer to figure 17 .) What wind is forecast for STL at 9,000 feet?

A. 230° true at 32 knots.

B. 230° true at 25 knots.

C. 230° magnetic at 25 knots.

(Refer to figure 15 .) What is the valid period for the TAF for KMEM?

A. 1200Z to 1200Z.

B. 1200Z to 1800Z.

C. 1800Z to 1800Z.

(Refer to figure 15 .) In the TAF from KOKC, the clear sky becomes

A. overcast at 2,000 feet during the forecast period between 2200Z and 2400Z.

B. overcast at 200 feet with a 40 percent probability of becoming overcast at 600 feet during the forecast period between 2200Z and 2400Z.

C. overcast at 200 feet with the probability of becoming overcast at 400 feet during the forecast period between 2200Z and 2400Z.

(Refer to figure 15 .) During the time period from 0600Z to 0800Z, what visibility is forecast for KOKC?

A. Greater than 6 statute miles.

B. Possibly 6 statute miles.

C. Not forecasted.

(Refer to figure 15 .) The only cloud type forecast in TAF reports is

A. Nimbostratus.

B. Cumulonimbus.

C. Scattered cumulus.

What is indicated when a current CONVECTIVE SIGMET forecasts thunderstorms?

A. Moderate thunderstorms covering 30 percent of the area.

B. Moderate or severe turbulence.

C. Thunderstorms obscured by massive cloud layers.

(Refer to figure 15 .) In the TAF for KMEM, what does 'SHRA' stand for?

A. Rain showers.

B. A shift in wind direction is expected.

C. A significant change in precipitation is possible.

(Refer to figure 15 .) Between 1000Z and 1200Z the visibility at KMEM is forecast to be?

A. 1/2 statute mile.

B. 3 statute miles.

C. 6 statute miles.

(Refer to figure 15 .) What is the forecast wind for KMEM from 1600Z until the end of the forecast?

A. No significant wind.

B. Variable in direction at 6 knots.

C. Variable in direction at 4 knots.

(Refer to figure 15 .) In the TAF from KOKC, the 'FM (FROM) Group' is forecast for the hours from 1600Z to 2200Z with the wind from

A. 180° at 10 knots.

B. 160° at 10 knots.

C. 180° at 10 knots, becoming 200° at 13 knots.

(Refer to figure 18 .) What is the status of the front that extends from Nebraska through the upper peninsula of Michigan?

A. Stationary.

B. Warm

C. Cold.

(Refer to figure 18 .) The marginal weather in central Kentucky is due to low

A. ceiling.

B. visibility.

C. ceiling and visibility.

(Refer to figure 18 .) Of what value is the Weather Depiction Chart to the pilot?

A. For determining general weather conditions on which to base flight planning.

B. For a forecast of cloud coverage, visibilities, and frontal activity.

C. For determining frontal trends and air mass characteristics.

(Refer to figure 18 .) According to the Weather Depiction Chart, the weather for a flight from southern Michigan to north Indiana is ceilings

A. less than 1,000 feet and/or visibility less than 3 miles.

B. greater than 3, 000 feet and visibility greater than 5 miles.

C. 1,000 to 3,000 feet and/or visibility 3 to 5 miles.

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

A. Lines and cells of hazardous thunderstorms.

B. Ceilings and precipitation between reporting stations.

C. Types of clouds between reporting stations.

Radar weather reports are of special interest to pilots because they indicate

A. large areas of low ceilings and fog.

B. location of precipitation along with type, intensity, and trend.

C. location of precipitation along with type, intensity, and cell movement of precipitation.

(Refer to figure 19 , area D.) What is the direction and speed of movement of the cell?

A. North at 17 knots.

B. North at 17 MPH.

C. South at 17 knots.

(Refer to figure 19 , area E.) The top of the precipitation of the cell is

A. 16,000 feet AGL.

B. 16,000 feet MSL.

C. 25,000 feet MSL.

(Refer to figure 20 .) Interpret the weather symbol depicted in Utah on the 12-hour Significant Weather Prognostic Chart.

A. Moderate turbulence, surface to 18,000 feet.

B. Thunderstorm tops at 18,000 feet.

C. Base of clear air turbulence, 18,000 feet.

(Refer to figure 20 .) How are Significant Weather Prognostic Charts best used by a pilot?

A. For overall planning at all altitudes.

B. For determining areas to avoid (freezing levels and turbulence).

C. For analyzing current frontal activity and cloud coverage.

(Refer to figure 20 .) The enclosed shaded area associated with the low pressure system over northern Utah is forecast to have

A. continuous snow.

B. intermittent snow.

C. continuous snow showers.

(Refer to figure 20 .) At what altitude is the freezing level over the middle of Florida on the12-hour Significant Weather Prognostic Chart?

A. 4,000 feet.

B. 8,000 feet.

C. 12,000 feet.

(Refer to figure 20 .) What weather is forecast for the Florida area just ahead of the stationary front during the first 12 hours?

A. Ceiling 1,000 to 3,000 feet and/or visibility 3 to 5 miles with continuous precipitation.

B. Ceiling 1,000 to 3,000 feet and/or visibility 3 to 5 miles with intermittent percipitation.

C. Ceiling less than 1,000 feet and/or visibility less than 3 miles with continuous precipitation.

Automatic Terminal Information Service (ATIS) is the continuous broadcast of recorded information concerning

A. pilots of radar-identified aircraft whose aircraft is in dangerous proximity to terrain or to an obstruction.

B. nonessential information to reduce frequency congestion.

C. noncontrol information in selected high-activity terminal areas.

How should contact be established with an En Route Flight Advisory Service (EFAS) station, and what service would be expected?

A. Call EFAS on 122.2 for routine weather, current reports on hazardous weather, and altimeter settings.

B. Call flight assistance on 122.5 for advisory service pertaining to severe weather.

C. Call Flight Watch on 122.0 for information regarding actual weather and thunderstorm activity along proposed route.

Below FL180, en route weather advisories should be obtained from an FSS on

A. 122.0 MHz.

B. 122.1 MHz.

C. 123.6 MHz.

What service should a pilot normally expect from an En Route Flight Advisory Service (EFAS) station?

A. Actual weather information and thunderstorm activity along the route.

B. Preferential routing and radar vectoring to circumnavigate severe weather.

C. Severe weather information, changes to flight plans, and receipt of routine position reports.

(Refer to figure 22 .) On what frequency can a pilot receive Hazardous Inflight Weather Advisory Service (HIWAS) in the vicinity of area 1?

A. 117.1 MHz.

B. 118.0 MHz.

C. 122.0 MHz.

Which thermal index would predict the best probability of good soaring conditions?

A. -10.

B. -5.

C. +20.

Which thermal index would predict the best probability of good soaring conditions?

A. +5.

B. -5.

C. -10.

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

A. 6 nautical miles.

B. 6 statute miles.

C. 6 kilometers.

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

A. listening to en route VORs at 15 and 45 minutes past the hour.

B. 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.

C. contacting the AFSS facility in your area, using your airplane identification, and the name of the nearest VOR.

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

A. Rain and fog obscuring two-tenths of the sky; rain began at 1912Z.

B. Rain and mist obstructing visibility; rain began at 1812Z.

C. Rain and overcast at 1200 feet AGL.

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

A. Four times daily and are usually valid for a 24 hour period.

B. Six times daily and are usually valid for a 24 hour period including a 4-hour categorical outlook.

C. Four times daily and are valid for 12 hours including a 6-hour categorical outlook.

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

A. Wind speed is variable throughout the period.

B. Cloud base is variable.

C. Wind direction is variable.

(Refer to figure 6 .) With regard to the soundings taken at 1400 hours, between what altitudes could optimum thermalling be expected at the time of the sounding?

A. From 2,500 to 6,000 feet.

B. From 6,000 to 10,000 feet.

C. From 13,000 to 15,000 feet.

(Refer to figure 6 .) At the 0900 hours sounding and the line plotted from the surface to 10,000 feet, what temperature must exist at the surface for instability to take place between these altitudes? Any temperature

A. less than 68 °F.

B. more than 68 °F.

C. less than 43 °F.

The Hazardous Inflight Weather Advisory Service (HIWAS) is a broadcast service over selected VORs that provides

A. SIGMETs and AIRMETs at 15 minutes and 45 minutes past the hour for the first hour after issuance.

B. continuous broadcast of inflight weather advisories.

C. SIGMETs, CONVECTIVE SIGMETs and AIRMETs at 15 minutes and 45 minutes past the hour.

SIGMET's are issued as a warning of weather conditions which are hazardous

A. to all aircraft.

B. particularly to heavy aircraft.

C. particularly to light airplanes.

Which correctly describes the purpose of Convective SIGMET's (WST)?

A. They consist of an hourly observation of tornadoes, significant thunderstorm activity, and large hailstone activity.

B. They contain both an observation and a forecast of all thunderstorm and hailstone activity. The forecast is valid for 1 hour only.

C. 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.

On a Surface Analysis Chart, the solid lines that depict sea level pressure patterns are called

A. isobars.

B. isogons.

C. millibars.

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

A. Surface Analysis Chart.

B. Constant Pressure Analysis Chart.

C. Weather Depiction Chart.

When total sky cover is few or scattered, the height shown on the Weather Depiction Chart is the

A. top of the lowest layer.

B. base of the lowest layer.

C. base of the highest layer.

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

A. Lines and cells of hazardous thunderstorms.

B. Ceilings and precipitation between reporting stations.

C. Areas of cloud cover and icing levels within the clouds.

What values are used for Winds Aloft Forecasts?

A. True direction and MPH.

B. True direction and knots.

C. Magnetic direction and knots.

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

A. Freezing Level Chart.

B. Weather Depiction Chart.

C. 12-Hour Significant Weather Prognostication Chart.

What is the upper limit of the Low Level Significant Weather Prognostic Chart?

A. 30,000 feet.

B. 24,000 feet.

C. 18,000 feet.

What type of Inflight 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?

A. Convective SIGMETs and SIGMETs.

B. Severe Weather Forecast Alerts (AWW) and SIGMETs.

C. AIRMETs and Center Weather Advisories (CWA).

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

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

B. AFSSs on 122.2 MHz and adjacent VORs, when any part of the area described is within 200 miles of the airspace under their jurisdiction.

C. selected low-frequency and/or VOR navigational aids.

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 the cloud layer? (Top of overcast reported at 7,500 feet MSL). METAR KHOB 151250Z 17006KT 4SM OVC005 13/11 A2998

A. 2,500 feet

B. 3 ,500 feet.

C. 4,000 feet.

The remarks section of the Aviation Routine Weather Report (METAR) contains the following coded information. What does it mean? RMK FZDZB42 WSHFT 30 FROPA

A. Freezing drizzle with cloud bases below 4,200 feet.

B. Freezing drizzle below 4,200 feet and wind shear

C. Wind shift at three zero due to frontal passage.

The Telephone Information Briefing Service (TIBS) provided by AFSSs includes

A. weather information service on a common frequency (122.0 mHz).

B. recorded weather briefing service for the local area, usually within 50 miles and route forecasts.

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

To obtain a continuous transcribed weather briefing including winds aloft and route forecasts for a cross-country flight, a pilot could monitor

A. a TWEB on a low-frequency and/or VOR receiver.

B. the regularly scheduled weather broadcast on a VOR frequency.

C. a high-frequency radio receiver tuned to En Route Flight Advisory Service.

The Low Level Wind Shear Alert System (LLWAS) provides wind data and software process to detect the presence of a

A. rotating column of air extending from a cumulonimbus cloud.

B. change in wind direction and/or speed within a very short distance above the airport.

C. downward motion of the air associated with continuous winds blowing with an easterly component due to the rotation of the Earth.

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

A. In-Flight Weather Advisories.

B. Terminal Area Forecasts (TAF).

C. Weather Depiction Chart.

(Refer to figure 2 .) Using the 0900 sounding, what minimum surface temperature is required for instability to occur and for good thermals to develop from the surface to 15,000 feet MSL?

A. 58 °F.

B. 80 °F.

C. 90 °F.

(Refer to figure 3 .) Which station is reporting the wind as calm?

A. KDAL.

B. KFTW.

C. KTYR.

(Refer to figure 3 .) The temperature/dew point spread at KAUS is

A. 4 ºC.

B. 4 ºF.

C. 7 ºC.

GIVEN: KOUN 151355Z AUTO 22010KT 10SM CLR BLO 120 13/10 A2993 RMK A02 $. The ASOS report indicates that the location is

A. reporting a temperature of 45 °F.

B. possibly in need of maintenance.

C. augmented with a weather observer.

Consider the following statements regarding an Aviation Routine Weather Report (METAR). 1. A vertical visibility entry does not constitute a ceiling. 2. Fog (FG) can be reported only if the visibility is less than 5/8 mile. 3. The ceiling layer will be designated by a 'C'. 4. Mist (BR) can be reported only if the visibility is 5/8 mile up to six miles. 5. Temperatures reported below zero will be prefixed with a '-'. 6. There is no provision to report partial obscurations. Select the true statements.

A. 2, 4, and 6.

B. 2, 3, and 5.

C. 1, 2, 5, and 6.

(Refer to figure 4 .) If the terrain elevation is 1,295 feet MSL, what is the height above ground level of the base of the ceiling?

A. 505 feet AGL.

B. 1,295 feet AGL.

C. 6,586 feet AGL.

(Refer to figure 5 .) What is the valid period for the TAF for KMEM?

A. 1200Z to 1200Z.

B. 1200Z to 1800Z.

C. 1800Z to 1800Z.

Which in-flight advisory would contain information on severe icing?

A. PIREP.

B. SIGMET.

C. CONVECTIVE SIGMET.

What information would be covered in an AIRMET?

A. Severe turbulence.

B. Extensive mountain obscurement.

C. Hail of 3/4 inch or greater diameter.

(Refer to figure 6 .) What sky condition and visibility are forecast for upper Michigan in the eastern portions after 2300Z?

A. Ceiling 1,000 feet overcast and 3 to 5 statute miles visibility.

B. Ceiling 1,000 feet overcast and 3 to 5 nautical miles visibility.

C. Ceiling 100 feet overcast and 3 to 5 statute miles visibility.

To determine the freezing level and areas of probable icing aloft, you should refer to

A. an Area Forecast.

B. an AIRMET or SIGMET.

C. a Weather Depiction Chart.

Vertical visibility is shown on METAR/TAF reports when the sky is

A. overcast.

B. obscured.

C. partially obscured.

For a brief summary of the location and movement of fronts, pressure systems, and circulation patterns, the pilot should refer to

A. a Radar Summary Chart.

B. an Aviation Area Forecast.

C. a Significant Weather Prognostic Chart.

The intensity trend of a front (as of chart time) is best determined by referring to a

A. Surface Analysis Chart.

B. Radar Summary Chart.

C. Weather Depiction Chart.

(Refer to figure 12 .) what is the status of the front that extends from Nebraska through the upper peninsula of Michigan?

A. Stationary.

B. Warm.

C. Cold.

A Weather Depiction Chart is useful to a pilot in determining

A. the temperature and dew point at selected stations.

B. the forecast areas of cloud cover and precipitation.

C. areas where weather conditions were reported above or below VFR minimums.

(Refer to figure 10 .) On a Weather Depiction Chart, what does this information mean?

A. Visibility 5 miles, sky obscured.

B. Visibility 5 miles, haze, overcast, ceiling 3,500 feet.

C. Visibility 3 to 5 miles, sky obscured, ceiling 5,000 feet.

(Refer to figure 16 .) What are the probable weather conditions in the area indicated by arrow D on the Stability Chart?

A. Stable air; predominately fair.

B. High relative humidity; showers and thunderstorms.

C. Marginally unstable air; moderate turbulence and possible thunderstorms.

(Refer to figure 14 .) How are Significant Weather Prognostic Charts best used by a pilot?

A. For overall planning at all altitudes.

B. For determining areas to avoid (freezing levels and turbulence).

C. For analyzing current frontal activity and cloud coverage.

Absence of the sky condition and visibility on an ATIS broadcast indicates that

A. weather conditions are at or above VFR minimums.

B. the sky condition is clear and visibility is unrestricted.

C. the ceiling is at least 5,000 feet and visibility is 5 miles or more.