FAA AIRCRAFT DISPATCHER PRACTICAL EXAM
2023-2024 ACTUAL COMPLETE EXAM 220
QUESTIONS AND CORRECT DETAILED ANSWERS
(100% VERIFIED ANSWERS)
Terms in this set (167)
Every hour, or whenever the weather changes and
How often are METARs
necessitates a change. In that situation, a SPECI
issues?
(special METAR) is issued.
A special METAR which is created in between the
What is a SPECI? hourly METARs due to a change in weather
necessitating the change.
Do METARs describe METARs depict actual field conditions.
actual or forecast
conditions?
Shallow fog, ground fog. occurs on clear nights, little
or no wind, and small temp/DP spread (high relative
Define Radiation fog humidity). Occurs at night or daybreak. Radiation
cools the ground. The ground cools the air. When the
air is cooled to the dew-point, fog forms.
This fog forms when moist air moves over colder
Define Advection fog
ground or water. Common along the coast.
, Air moving across a sizeable lake absorbs water
vapor.
What is lake effect? Showers may appear on the leeward side if the air is
Describe one major colder than the water. If the air is warmer than the
consequence of lake water, fog often develops on the leeward side. In the
effect in winter. winter, lake effect snow is a concern because as a
cold front passes over the warmer lake water, snow,
instead of showers will occur.
What happens when the Small Temp/DP spread is essential to the formation of
Temperature/dewpoint are fog.
very close?
Valid for a 24-hour period, TAFs are issued four times
daily at 00Z, 06Z, 12Z, and 18Z, and updated as
How often are TAFs
conditions warrant. TAFs include information about
issued?
wind speed and direction, visibility, present weather,
ceilings, and low-level wind shear.
Because you always need to use the most up to date
information and knowing when the next forecast is
Why is it important to
coming up is essential for making critcal flight
know when the various
decisions. For instance, if it is 05:55Z, the TAF from
charts and reports are
00Z is the most up-to-date forecast, however, in only
issued?
5 minutes, the 06Z TAF will be the most up-to-date
forecast and could contain critical information.
An amended TAF is issued when the current TAF no
longer adequately describes the ongoing weather or
What is an Amended TAF?
the forecaster feels the TAF is not representative of
the current or expected weather.
Which sky conditions are Broken, Overcast, VV (vertical visibility[indefinite
considered a ceiling? ceiling])
How often is a surface starting at 00Z at 3 hour intervals. (8 times a day)
analysis chart issued?
What are the primary They show pressure patterns, fronts, and information
features of a surface on individual reporting stations. The pressure patterns
analysis chart? are shown by isobars.
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