AVMG 2150 Quiz 2
What are the wind conditions at Wink, Texas (KINK)?
110° at 12 knots, gusts 18 knots.
What are the standard temperature and pressure values for sea level?
15°C and 29.92" Hg.
Determine the condition of the airplane: Pilot and copilot = 400 lb Passengers -- aft position = 240 lb Baggage = 20 lb Fuel = 75 gal
180 pounds under allowable gross weight; CG is located within limits.
What is the valid period for the TAF for KMEM?
1800Z to 2400Z.
In the TAF from KOKC, the "FM (FROM) Group" is forecast for the hours from 1600Z to 2200Z with the wind from
180° at 10 knots.
The wind direction and velocity at KJFK is from
180° true at 4 knots.
Determine the condition of the airplane: Pilot and copilot = 316 lb Passengers Fwd position = 130 lb Aft position = 147 lb Baggage = 50 lb Fuel = 75 gal
197 pounds under allowable gross weight; CG 83.6 inches aft of datum.
A pilot can expect a wind-shear zone in a temperature inversion whenever the wind speed at 2,000 to 4,000 feet above the surface is at least
25 knots.
Between 1000Z and 1200Z the visibility at KMEM is forecast to be?
3 statute miles.
In the following METAR/TAF for HOU, what is the ceiling and visibility forecast on the 7th day of the month at 0600Z? KHOU 061734Z 0618/0718 16014G22KT P6SM VCSH BKN018 BKN035 FM070100 17010KT P6SM BKN015 OVC025 FM070500 17008KT 4SM BR SCT008 OVC012 FM071000 18005KT 3SM BR OVC007 FM071500 23008KT 5SM BR VCSH SCT008 OVC015
4 statute miles visibility and an overcast ceiling at 1,200 feet AGL.
If it is necessary to set the altimeter from 29.15 to 29.85, what change occurs?
700-foot increase in indicated altitude.
Which condition would cause the altimeter to indicate a lower altitude than true altitude?
Air temperature warmer than standard.
With respect to the certification of aircraft, which is a class of aircraft?
Airplane, rotorcraft, glider, balloon.
With respect to the certification of airmen, which is a class of aircraft?
Airplane, rotorcraft, glider, lighter-than-air.
You are flying an aircraft equipped with an electronic flight display and the air data computer fails. What instrument is affected?
Airspeed indicator.
If a pilot changes the altimeter setting from 30.11 to 29.96, what is the approximate change in indication?
Altimeter will indicate 150 feet lower.
Which type of weather briefing should a pilot request to supplement mass disseminated data?
An abbreviated briefing.
Where does wind shear occur?
At all altitudes, in all directions.
Under what condition is pressure altitude and density altitude the same value?
At standard temperature.
How should a pilot determine the direction of bank from an attitude indicator such as the one illustrated?
By the relationship of the miniature airplane (C) to the deflected horizon bar (B).
What feature is normally associated with the cumulus stage of a thunderstorm?
Continuous updraft.
The only cloud type forecast in TAF reports is
Cumulonimbus.
During the life cycle of a thunderstorm, which stage is characterized predominately by downdrafts?
Dissipating.
In which environment is aircraft structural ice most likely to have the highest accumulation rate?
Freezing rain.
How does frost affect the lifting surfaces of an airplane on takeoff?
Frost may prevent the airplane from becoming airborne at normal takeoff speed.
Why is frost considered hazardous to flight?
Frost spoils the smooth flow of air over the wings, thereby decreasing lifting capability.
How will frost on the wings of an airplane affect takeoff performance?
Frost will disrupt the smooth flow of air over the wing, adversely affecting its lifting capability.
During the time period from 0600Z to 0800Z, what visibility is forecast for KOKC?
Greater than 6 statute miles.
What conditions are necessary for the formation of thunderstorms?
High humidity, lifting force, and unstable conditions.
What should pilots state initially when telephoning a weather briefing facility for preflight weather information?
Identify themselves as pilots.
When may hazardous wind shear be expected?
In areas of low-level temperature inversion, frontal zones, and clear air turbulence.
Under what condition will true altitude be lower than indicated altitude?
In colder than standard air temperature.
Which of the reporting stations have VFR weather?
KINK, KBOI, and KLAX.
Which weather phenomenon is always associated with a thunderstorm?
Lightning.
With respect to the certification of aircraft, which is a category of aircraft?
Normal, utility, acrobatic.
Which weather phenomenon signals the beginning of the mature stage of a thunderstorm?
Precipitation beginning to fall.
How do variations in temperature affect the altimeter?
Pressure levels are raised on warm days and the indicated altitude is lower than true altitude.
In the TAF for KMEM, what does "SHRA" stand for?
Rain showers.
What steps must be taken when flying in glass flight decks to ensure safe flight?
Regularly scan both inside and outside, use all appropriate checklists, and cross-check with other forms of information.
With respect to the certification of airmen, which are categories of aircraft?
Single engine land and sea, multiengine land and sea.
What is a benefit of flying with a glass flight deck?
Situational awareness is increased.
What are the current conditions depicted for Chicago Midway Airport (KMDW)?
Sky 700 feet overcast, visibility 1-1/2 SM, rain.
Which type weather briefing should a pilot request, when departing within the hour, if no preliminary weather information has been received?
Standard briefing.
What is pressure altitude?
The altitude indicated when the barometric pressure scale is set to 29.92.
What should pilots state initially when telephoning a weather briefing facility for preflight weather information?
The intended route of flight and destination.
What is density altitude?
The pressure altitude corrected for nonstandard temperature.
Which conditions result in the formation of frost?
The temperature of the collecting surface is at or below the dewpoint of the adjacent air and the dewpoint is below freezing.
What is true altitude?
The vertical distance of the aircraft above sea level.
What is absolute altitude?
The vertical distance of the aircraft above the surface.
What causes variations in altimeter settings between weather reporting points?
Unequal heating of the Earth's surface.
Which V-speed represents maneuvering speed?
VA
Which V-speed represents maximum flap extended speed?
VFE
Which V-speed represents maximum landing gear extended speed?
VLE
Which would provide the greatest gain in altitude in the shortest distance during climb after takeoff?
VX
After takeoff, which airspeed would the pilot use to gain the most altitude in a given period of time?
VY
What is the forecast wind for KMEM from 1600Z until the end of the forecast?
Variable in direction at 6 knots.
A pilot and two passengers landed on a 2,100 foot east-west gravel strip with an elevation of 1,800 feet. The temperature is warmer than expected and after computing the density altitude it is determined the takeoff distance over a 50 foot obstacle is 1,980 feet. The airplane is 75 pounds under gross weight. What would be the best choice?
Wait until the temperature decreases, and recalculate the takeoff performance.
Under what condition is indicated altitude the same as true altitude?
When at sea level under standard conditions.
Under which condition will pressure altitude be equal to true altitude?
When standard atmospheric conditions exist.
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?
Wind-shear turbulence.
You are avoiding a thunderstorm that is in your flightpath. You are over 20 miles from the cell; however, you are under the anvil of the cell. Is this a hazard?
Yes, hail can be discharged from the anvil.
One of the most easily recognized discontinuities across a front is
a change in temperature.
An almond or lens-shaped cloud which appears stationary, but which may contain winds of 50 knots or more, is referred to as
a lenticular cloud.
To get a complete weather briefing for the planned flight, the pilot should request
a standard briefing.
Possible mountain wave turbulence could be anticipated when winds of 40 knots or greater blow
across a mountain ridge, and the air is stable.
To update a previous weather briefing, a pilot should request
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
an outlook briefing.
When requesting weather information for the following morning, a pilot should request
an outlook briefing.
An ATC clearance provides
authorization to proceed under specified traffic conditions in controlled airspace.
Convective circulation patterns associated with sea breezes are caused by
cool, dense air moving inland from over the water.
The destination airport has one runway, 8-26, and the wind is calm. The normal approach in calm wind is a left-hand pattern to runway 8. 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
delay departure until the thunderstorm has dissipated.
The wind at 5,000 feet AGL is southwesterly while the surface wind is southerly. This difference in direction is primarily due to
friction between the wind and the surface.
The boundary between two different air masses is referred to as a
front.
Every physical process of weather is accompanied by, or is the result of, a
heat exchange.
If a flight is made from an area of high pressure into an area of lower pressure without the altimeter setting being adjusted, the altimeter will indicate
higher than the actual altitude above sea level.
You plan to phone a weather briefing facility for preflight weather information. You should
identify yourself as a pilot.
The presence of ice pellets at the surface is evidence that there
is a temperature inversion with freezing rain at a higher altitude.
Radar weather reports are of special interest to pilots because they indicate
location of precipitation along with type, intensity, and cell movement of precipitation.
If a flight is made from an area of low pressure into an area of high pressure without the altimeter setting being adjusted, the altimeter will indicate
lower than the actual altitude above sea level.
For aviation purposes, ceiling is defined as the height above the Earth's surface of the
lowest broken or overcast layer or vertical visibility into an obscuration.
Thunderstorms reach their greatest intensity during the
mature stage.
VNO is defined as the
maximum structural cruising speed.
The proper adjustment to make on the attitude indicator during level flight is to align the
miniature airplane to the horizon bar.
A turn coordinator provides an indication of the
movement of the aircraft about the yaw and roll axes.
An aircraft which is equipped with an Electronic Flight Display (EFD) can
offer new capabilities and simplify the basic flying task.
In the TAF from KOKC, the clear sky becomes
overcast at 2000 feet during the forecast period between 2200Z and 2400Z.
To receive accurate indications during flight from a heading indicator, the instrument must be
periodically realigned with the magnetic compass as the gyro precesses.
The remarks section for KMDW has RAB35 listed. This entry means
rain began at 1835Z.
The development of thermals depends upon
solar heating.
Thunderstorms which generally produce the most intense hazard to aircraft are
squall line thunderstorms.
A nonfrontal, narrow band of active thunderstorms that often develop ahead of a cold front is known as a
squall line.
VS0 is defined as the
stalling speed or minimum steady flight speed in the landing configuration.
Crests of standing mountain waves may be marked by stationary, lens-shaped clouds known as
standing lenticular clouds.
When telephoning a weather briefing facility for preflight weather information, pilots should state
the aircraft identification or the pilot's name.
The mature stage of a thunderstorm begins with
the start of precipitation.
The definition of nighttime is
the time between the end of evening civil twilight and the beginning of morning civil twilight.
Altimeter setting is the value to which the barometric pressure scale of the altimeter is set so the altimeter indicates
true altitude at field elevation.
One in-flight condition necessary for structural icing to form is
visible moisture.
When speaking to a flight service weather briefer, you should state
whether the flight is VFR or IFR.
One weather phenomenon which will always occur when flying across a front is a change in the
wind direction.
