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Private Pilot Written Exam - Weather (2024) Questions With Completed & Verified Solutions.
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Private Pilot Written Exam - Weather(2024)
Which weather phenomenon signals the beginning of the mature stage of a thunderstorm? -
ANS Precipitation begins to fall.
(Refer to fig. 15) The only cloud type forecast in TAF reports is? - ANS Cumulonimbus.
(Refer to fig. 14) The wind and temperature at 12,000ft MSL as reported by a pilot are? - ANS
080* at 21 knots and -7* C
Which type of weather briefing should a pilot request to supplement mass disseminated data? -
ANS An abbreviated briefing.
One of the most easily recognized discontinuities across a front is? - ANS A change in
temperature.
What should pilots state when telephoning a weather briefing facility for preflight weather
information? - ANS The intended route of flight and destination.
If an unstable mass is forced upward, what type clouds can be expected? - ANS Clouds with
considerable vertical development and associated turbulence.
For aviation purposes, ceiling is defined as the height above the Earth's surface of the? - ANS
Lowest broken or overcast layer or vertical visibility into an obstruction.
The amount of water vapor which air can hold depends on the? - ANS Air temperature.
(Refer to fig. 17) What wind is forecast for STL at 9,000 ft? - ANS 230* true at 25 knots
Steady precipitation preceding a front is an indication of? - ANS Stratiform clouds with little or no
turbulence.
One in-flight condition necessary for structural icing to form is? - ANS Visible moisture.
The destination airport has one runway, 08-26, and the wind is calm. The normal approach in
calm wind is a left hand pattern to runway 08. There is no other traffic at the airport. A
thunderstorm about 6 miles west is beginning its mature stage, and rain is starting to reach the
ground. The pilot decides to? - ANS Fly an approach to runway 26 since any unexpected wind
due to the storm will be westerly.
, To get a complete weather briefing for the planned flight, the pilot should request? - ANS A
standard briefing.
(Refer to fig. 14) The intensity of the turbulence reported at a specific altitude is? - ANS Light
from 5,500 ft to 7,200 ft
If the temperature/dewpoint spread is small and decreasing, and the temperature is 62* F, what
type weather is most likely to develop? - ANS Fog or low clouds.
(Refer to fig. 14) The intensity and type of icing reported by a pilot is? - ANS Light to moderate
rime.
The mature stage of a thunderstorm begins with? - ANS The start of precipitation.
AIRMETs are advisories of significant weather phenomena but of lower intensities than
SIGMETs and are intended for dissemination to? - ANS All pilots.
(Refer to fig. 19) How are Significant Weather Prognostic Charts best used by a pilot? - ANS For
determining areas to avoid (freezing levels and turbulence).
If there is thunderstorm activity in the vicinity of an airport at which you plan to land, which
hazardous atmospheric phenomenon might be expected on the landing approach? - ANS
Wind-shear turbulence.
What are the processes by which moisture is added to unsaturated air? - ANS Evaporation and
sublimation.
In which situation is advection fog most likely to form? - ANS An air mass moving inland from
the coast in winter.
An almond or les-shaped cloud which appears stationary, but which may contain winds of 50
knots or more, is referred to as? - ANS A lenticular cloud.
In which environment is aircraft structural ice most likely to have the highest accumulation rate?
- ANS Freezing rain.
What are characteristics of unstable air? - ANS Turbulence and good surface visibility.
The conditions necessary for the formation of cumulonimbus clouds are a lifting action and? -
ANS Unstable, moist air.
What feature is associated with a temperature inversion? - ANS A stable layer of air.
What would decrease the stability of an air mass? - ANS Warming from below.
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