Home
Flashcards
Preview
JX105
Home
Get App
Take Quiz
Create
What hazards are associated with thunderstorms?
Hail
Icing
Lightning
Turbulance
Tornadoes
Microbursts
What hazards
to flight
are associated with thunderstorms?
Hail
Turbulance
Lightning
Which is an indication of turbulence found in thunderstorms?
gust front
Which type clouds could indicate the possibility of microburst activity?
Convective and Cumulonimbus
Which telltale signs in the vicinity of thunderstorms should alert you to the possibility of microburst activity?
Roll clouds
Gusty conditions
Blowing dust
Which are thunderstorm recommended flight techniques?
Penetration of a thunderstorm should be at an altitude of 4000 to 6000 feet AGL
When flying under a thunderstorm, select an altitude 1/3 the distance from the surface to the base of the cloud
What effects can turbulence have on an aircraft?
Change altitude
Structural damage
Extra stress on airframe
Effect of turbulance depends on ____ of trubulance and ____ of aircraft.
severity; speed
Describe the difference between a tornado and a funnel cloud with respect to the surface.
a tornado touches the surface a funnel cloud does not.
Define microburst.
An intense, localized downward flow with velocities of 2000 to over 6000 fpm
What is NEXRAD?
Next Genration Radar, used to track thunderstorms
What do roll and wall clouds indicate?
the presence of low level wind shear and extreme turbulance
A ______ forms on the surface at the leading edge of an advancing thunderstorm
gust front
What methods can be used to detect a microburst?
Visual cues
Wind shear alert systems
PIREPs
Departure/Arrival wx reports
Why do you want to fly over the top, at least 1000 feet per knots of wind speed at cloud top level, to void a thunderstorm?
It allows an altitude margin for turbulance and hail
Why do you want to penetrate the lower ⅓ of a thunderstorm?
Most storms are most severe in the top 2/3
What hazards are associated with lightning?
static buildup
strike aircraft
structural damage
fuel ignition
flash blindness
Why do you want to penetrate a thunderstorm perpendicular?
Minimize time in storm
Author
C17FLYR
ID
60332
Card Set
JX105
Description
JX105
Updated
2011-01-17T22:24:37Z
Show Answers
Home
Flashcards
Preview