CFI WRITTEN QUESTIONS AND ANSWERS 2025
In what part of the atmosphere does most weather occur? - CORRECT ANSWER-
Trophoshere
Which is the primary driving force of weather on the Earth? - CORRECT ANSWER-The
Sun
The most frequent type of ground or surface-based temperature inversion is that which
is produced by - CORRECT ANSWER-terrestrial radiation on a clear, relatively still night
Which weather conditions should be expected beneath a low-level temperature
inversion layer when the relative humidity is high? - CORRECT ANSWER-Smooth air
and poor visibility
An altimeter indicates 1,850 feet MSL when set to 30.18. What is the approximate
pressure altitude? - CORRECT ANSWER-1,590 feet
The wind flow around a low pressure is - CORRECT ANSWER-cyclonic
Winds at 5,000 feet AGL on a particular flight are southwesterly while most of the
surface winds are southerly. This difference in direction is primarily due to - CORRECT
ANSWER-friction between the wind and the surface
In the Northern Hemisphere, a pilot making a long distance flight from east to west
would most likely find favorable winds associated with high- and low-pressure systems
by flying to the - CORRECT ANSWER-south of a high and to the north of a low
The general circulation of air associated with a high-pressure area in the Northern
Hemisphere is - CORRECT ANSWER-outward, downward, and clockwise
Which is an operational consideration regarding actual air temperature and dewpoint
temperature spread? - CORRECT ANSWER-The temperature spread decreases as the
relative humidity increases
The ratio of the existing water vapor in the air, as compared to the maximum amount
that could exist at a given temperature, is called - CORRECT ANSWER-relative
humidity
,What is the process by which ice can form on a surface directly from water vapor on a
cold, clear night? - CORRECT ANSWER-Sublimation
The height of the bases of the middle clouds in the middle latitudes ranges from -
CORRECT ANSWER-6,500 feet to 23,000 feet
Which middle level clouds are characterized by rain, snow, or ice pellets posing a
serious icing problem if temperature are near or below freezing? - CORRECT
ANSWER-Nimbostratus
Frontal waves normally form on - CORRECT ANSWER-slow-moving cold fronts or
stationary fronts
Cool air moving over a warm surface is generally characterized by - CORRECT
ANSWER-instability and showers
Which statement is true regarding a cold front occlusion? - CORRECT ANSWER-The
air ahead of the warm front is warmer than the air behind the overtaking cold front
Tornadoes are most likely to occur with which type of thunderstorms? - CORRECT
ANSWER-Steady-state thunderstorms associated with cold fronts or squall lines
Which type of cloud is associated with violent turbulence and a tendency toward the
production of funnel clouds? - CORRECT ANSWER-Cumulonimbus mamma
Radiation fog is most likely to occur under what conditions? - CORRECT ANSWER-
High humidity during the early evening, cool cloudless night with light winds, and
favorable topography
Advection fog is formed as a result of - CORRECT ANSWER-moist air moving over a
colder surface
Fog associated with a warm front is a result of saturation due to - CORRECT ANSWER-
evaporation of precipitation
GIVEN: KOUN 151355Z AUTO 22010KT 10SM CLR BLO 120 13/10 A2993 PMK A02
$. The ASOS report indicates that the location is - CORRECT ANSWER-possibly in
need of maintenance
,Interpret the following radar weather report: LIT 1133 AREA 4TRW 22/100 88/170
196/180/ 220/115 C2425 MT 310 AT 162/110 - CORRECT ANSWER-The maximum top
of the cells is located 162 degrees and 110 NM from the station (LIT)
To determine the freezing level and areas of probable icing aloft, you should refer to -
CORRECT ANSWER-an AIRMER or SIGMET
What is the meaning of MVFR, as used in the categorical outlook portion of an Aviation
Area Forecast? - CORRECT ANSWER-A ceiling of 1,000 to 3,000 feet and
What is the meaning of MVFR, as used in the categorical outlook portion of an Aviation
Forecast? - CORRECT ANSWER-A ceiling of 1,000 to 3,000 feet and/or visibility of 3 to
5 miles.
What information would be covered in an AIRMET? - CORRECT ANSWER-Widespread
mountain obscurement
Which in-flight advisory would contain information on severe icing? - CORRECT
ANSWER-SIGMET
What information is contained in a special CONVECTIVE SIGMET in the conterminous
United State - CORRECT ANSWER-Tornadoes, embedded thunderstorms, and hail 3/4
inch or greater In diameter.
On a Surface Analysis Weather Chart, isobars are usually spaced at intervals of -
CORRECT ANSWER-4 millibars =
On a Weather Depiction Chart, what weather conditions would be contained in an
unshaded area that is outlined by a smooth line - CORRECT ANSWER-Ceiling between
1,000 and 3,000 feet and/or visibility between 3 and 5 miles.
A Weather Depiction Chart is useful to a pilot in determining - CORRECT ANSWER-
areas where weather conditions were reported above or below VFR minimums.
What does the heavy dashed line that forms a rectangular box on a radar summary
chart refer to? - CORRECT ANSWER-Severe weather watch area
How long do the maximum intensity winds last in an individual microburst? - CORRECT
ANSWER-2 to 4 minutes
, The position of fronts and pressure systems (as of chart time) is best determined by
referring to a - CORRECT ANSWER-Surface Analysis Chart
If an area on a Convective Outlook Chart is labeled APCHG, this indicates - CORRECT
ANSWER-Winds greater than or equal to 35 knots but less than 50 knots
A surface inversion can - CORRECT ANSWER-Produce poor visibility
Convective SIGMETs are issued for which weather conditions? - CORRECT ANSWER-
Embedded thunderstorms, lines of thunderstorms, and thunderstorms with 3/4 inch hail
or tornadoes
A Weather Depiction Chart can help pilots to - CORRECT ANSWER-See the overall
critical weather minimums over a wide area.
You must have a type rating to operate - CORRECT ANSWER-any turbo-jet powered
airplan
A written statement from an authorized instructor certifying that an applicant has -
CORRECT ANSWER-reviewed the required training in preparation for a practical test
must be dated within
2 calendar months preceding the month of application
An applicant who holds a Commercial Pilot Certificate with ASEL ratings is seeking a
MEL rating at the commercial level. On August 1, 2014, the applicant shows you a
second class medical dated January 2, 2013. May the applicant take the practical test?
- CORRECT ANSWER-Yes.
If all increments for a practical test for a certificate or rating are not completed on one
date, all remaining increments must be satisfactorily completed no later that -
CORRECT ANSWER-2 calendar months after the month the test was begun.
What is one requirement for an aircraft furnished for a practical test? - CORRECT
ANSWER-Must have no prescribed operating limitations that prohibit its use in any
required area of operation.
Your student took a practical test for a pilot certificate on January 10 and failed to meet
standards. After being retested on January 13 and failing to meet standards again,
when is your student eligible to retest? - CORRECT ANSWER-January 13.
In what part of the atmosphere does most weather occur? - CORRECT ANSWER-
Trophoshere
Which is the primary driving force of weather on the Earth? - CORRECT ANSWER-The
Sun
The most frequent type of ground or surface-based temperature inversion is that which
is produced by - CORRECT ANSWER-terrestrial radiation on a clear, relatively still night
Which weather conditions should be expected beneath a low-level temperature
inversion layer when the relative humidity is high? - CORRECT ANSWER-Smooth air
and poor visibility
An altimeter indicates 1,850 feet MSL when set to 30.18. What is the approximate
pressure altitude? - CORRECT ANSWER-1,590 feet
The wind flow around a low pressure is - CORRECT ANSWER-cyclonic
Winds at 5,000 feet AGL on a particular flight are southwesterly while most of the
surface winds are southerly. This difference in direction is primarily due to - CORRECT
ANSWER-friction between the wind and the surface
In the Northern Hemisphere, a pilot making a long distance flight from east to west
would most likely find favorable winds associated with high- and low-pressure systems
by flying to the - CORRECT ANSWER-south of a high and to the north of a low
The general circulation of air associated with a high-pressure area in the Northern
Hemisphere is - CORRECT ANSWER-outward, downward, and clockwise
Which is an operational consideration regarding actual air temperature and dewpoint
temperature spread? - CORRECT ANSWER-The temperature spread decreases as the
relative humidity increases
The ratio of the existing water vapor in the air, as compared to the maximum amount
that could exist at a given temperature, is called - CORRECT ANSWER-relative
humidity
,What is the process by which ice can form on a surface directly from water vapor on a
cold, clear night? - CORRECT ANSWER-Sublimation
The height of the bases of the middle clouds in the middle latitudes ranges from -
CORRECT ANSWER-6,500 feet to 23,000 feet
Which middle level clouds are characterized by rain, snow, or ice pellets posing a
serious icing problem if temperature are near or below freezing? - CORRECT
ANSWER-Nimbostratus
Frontal waves normally form on - CORRECT ANSWER-slow-moving cold fronts or
stationary fronts
Cool air moving over a warm surface is generally characterized by - CORRECT
ANSWER-instability and showers
Which statement is true regarding a cold front occlusion? - CORRECT ANSWER-The
air ahead of the warm front is warmer than the air behind the overtaking cold front
Tornadoes are most likely to occur with which type of thunderstorms? - CORRECT
ANSWER-Steady-state thunderstorms associated with cold fronts or squall lines
Which type of cloud is associated with violent turbulence and a tendency toward the
production of funnel clouds? - CORRECT ANSWER-Cumulonimbus mamma
Radiation fog is most likely to occur under what conditions? - CORRECT ANSWER-
High humidity during the early evening, cool cloudless night with light winds, and
favorable topography
Advection fog is formed as a result of - CORRECT ANSWER-moist air moving over a
colder surface
Fog associated with a warm front is a result of saturation due to - CORRECT ANSWER-
evaporation of precipitation
GIVEN: KOUN 151355Z AUTO 22010KT 10SM CLR BLO 120 13/10 A2993 PMK A02
$. The ASOS report indicates that the location is - CORRECT ANSWER-possibly in
need of maintenance
,Interpret the following radar weather report: LIT 1133 AREA 4TRW 22/100 88/170
196/180/ 220/115 C2425 MT 310 AT 162/110 - CORRECT ANSWER-The maximum top
of the cells is located 162 degrees and 110 NM from the station (LIT)
To determine the freezing level and areas of probable icing aloft, you should refer to -
CORRECT ANSWER-an AIRMER or SIGMET
What is the meaning of MVFR, as used in the categorical outlook portion of an Aviation
Area Forecast? - CORRECT ANSWER-A ceiling of 1,000 to 3,000 feet and
What is the meaning of MVFR, as used in the categorical outlook portion of an Aviation
Forecast? - CORRECT ANSWER-A ceiling of 1,000 to 3,000 feet and/or visibility of 3 to
5 miles.
What information would be covered in an AIRMET? - CORRECT ANSWER-Widespread
mountain obscurement
Which in-flight advisory would contain information on severe icing? - CORRECT
ANSWER-SIGMET
What information is contained in a special CONVECTIVE SIGMET in the conterminous
United State - CORRECT ANSWER-Tornadoes, embedded thunderstorms, and hail 3/4
inch or greater In diameter.
On a Surface Analysis Weather Chart, isobars are usually spaced at intervals of -
CORRECT ANSWER-4 millibars =
On a Weather Depiction Chart, what weather conditions would be contained in an
unshaded area that is outlined by a smooth line - CORRECT ANSWER-Ceiling between
1,000 and 3,000 feet and/or visibility between 3 and 5 miles.
A Weather Depiction Chart is useful to a pilot in determining - CORRECT ANSWER-
areas where weather conditions were reported above or below VFR minimums.
What does the heavy dashed line that forms a rectangular box on a radar summary
chart refer to? - CORRECT ANSWER-Severe weather watch area
How long do the maximum intensity winds last in an individual microburst? - CORRECT
ANSWER-2 to 4 minutes
, The position of fronts and pressure systems (as of chart time) is best determined by
referring to a - CORRECT ANSWER-Surface Analysis Chart
If an area on a Convective Outlook Chart is labeled APCHG, this indicates - CORRECT
ANSWER-Winds greater than or equal to 35 knots but less than 50 knots
A surface inversion can - CORRECT ANSWER-Produce poor visibility
Convective SIGMETs are issued for which weather conditions? - CORRECT ANSWER-
Embedded thunderstorms, lines of thunderstorms, and thunderstorms with 3/4 inch hail
or tornadoes
A Weather Depiction Chart can help pilots to - CORRECT ANSWER-See the overall
critical weather minimums over a wide area.
You must have a type rating to operate - CORRECT ANSWER-any turbo-jet powered
airplan
A written statement from an authorized instructor certifying that an applicant has -
CORRECT ANSWER-reviewed the required training in preparation for a practical test
must be dated within
2 calendar months preceding the month of application
An applicant who holds a Commercial Pilot Certificate with ASEL ratings is seeking a
MEL rating at the commercial level. On August 1, 2014, the applicant shows you a
second class medical dated January 2, 2013. May the applicant take the practical test?
- CORRECT ANSWER-Yes.
If all increments for a practical test for a certificate or rating are not completed on one
date, all remaining increments must be satisfactorily completed no later that -
CORRECT ANSWER-2 calendar months after the month the test was begun.
What is one requirement for an aircraft furnished for a practical test? - CORRECT
ANSWER-Must have no prescribed operating limitations that prohibit its use in any
required area of operation.
Your student took a practical test for a pilot certificate on January 10 and failed to meet
standards. After being retested on January 13 and failing to meet standards again,
when is your student eligible to retest? - CORRECT ANSWER-January 13.
