- Unless otherwise authorized, two-way radio communication with air traffic control is required for landings or takeoffs
A. at all tower-controlled airports within Class D airspace only when weather conditions are less than VFR.
B. at all tower-controlled airports regardless of weather conditions.
C. at all tower-controlled airports only when weather conditions are less than VFR.
- The basic VFR weather minimums for operating an aircraft within Class D airspace are
A. clear of clouds and 2 miles visibility.
B. 500-foot ceiling and 1 mile visibility.
C. 1,000-foot ceiling and 3 miles visibility
- What effect, if any, does high humidity have on aircraft performance?
A. It decreases performance.
B. It increases performance.
C. It has no effect on performance.
- Every physical process of weather is accompanied by, or is the result of, a
A. movement of air.
B. heat exchange.
C. pressure differential.
- What causes variations in altimeter settings between weather reporting points?
A. Coriolis force.
B. Variation of terrain elevation.
C. Unequal heating of the Earth's surface.
- What are the standard temperature and pressure values for sea level?
A. 59 ?F and 29.92 millibars.
B. 15 ?C and 29.92" Hg.
C. 59 ?C and 1013.2 millibars.
- What is meant by the term "dewpoint''?
A. The temperature to which air must be cooled to become saturated.
B. The temperature at which dew will always form.
C. The temperature at which condensation and evaporation are equal.
- For aviation purposes, ceiling is defined as the height above the Earth's surface of the
A. lowest layer of clouds reported as scattered, broken, or thin.
B. lowest broken or overcast layer or vertical visibility into an obscuration.
C. lowest reported obscuration and the highest layer of clouds reported as overcast.
- From which primary source should information be obtained regarding expected weather at the estimated time of arrival if your destination has no Terminal Forecast?
A. Area Forecast.
B. Low-Level Prognostic Chart.
C. Weather Depiction Chart.
- To best determine general forecast weather conditions over several states, the pilot should refer to
A. Area Forecasts.
B. Satellite Maps.
C. Weather Depiction Charts.
- What is indicated when a current CONVECTIVE SIGMET forecasts thunderstorms?
A. Thunderstorms obscured by massive cloud layers.
B. Moderate thunderstorms covering 30 percent of the area.
C. Moderate or severe turbulence.
- SIGMETs are issued as a warning of weather conditions hazardous to which aircraft?
A. Small aircraft only.
B. Large aircraft only.
C. All aircraft.
- B. FAR 91.129
- C. FAR 91.155
- A. Pilot's Handbook of Aeronautical Knowledge, "Weather"
- B. Aviation Weather, "Temperature"
- C. Aviation Weather, "Atmospheric Pressure and Altimetry"
- B. Aviation Weather, "Temperature"
- A. Aviation Weather, "Moisture, Cloud Formation, and Precipitation"
- B. Aviation Weather Services, "Surface Aviation Weather Reports"
- A. Aviation Weather Services, "Aviation Weather Forecasts"
- A. Aviation Weather Services, "Aviation Weather Forecasts"
- A. Aviation Weather Services, "Aviation Weather Forecasts"
- C. Aviation Weather Services, "Aviation Weather Forecasts"
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