ATSC 113 FLYING EXAM QUESTIONS
AND ANSWERS
what are the two types of clouds - Answer-normal and special
what are the two types of normal clouds - Answer-CU and ST
convective/cumiliform (CU) = clouds that look like a stack of cotton balls and are associated with
updrafts
Layer/stratiform (ST) ...
what type of cloud is the halo associated with - Answer✔✔-cirrostrratus, which is in the
category of high for stratiform clouds
what type of cloud is a corona associated with - Answer✔✔-altostratus clouds, which is in the
middle category of stratiform clouds
what is the difference between stratus and nimbostratus clouds - Answer✔✔-both appear the
same because they have low cloud bases and are dark but nimbostratus are precipitating and
stratus is not; stratus also looks more textured whereas nimbostratus looks more diffused/soft
because of the precipitation
what are the hazards associated with layer/stratiform (ST) clouds - Answer✔✔-- not usually
turbulent so you can fly smoothly through them
- need to fly IFR inside it (like any other cloud)
- if it is cold enough, ice can form on the edges of the aircraft because of supercooled droplets
what are the types of special clouds - Answer✔✔-castellanus, billow, lenticular, rotor, banner,
and fractus clouds, pyrocumulus, pileus, fractus, fumulus, contrails
castellanus clouds - Answer✔✔-- a type of special cloud
- happens when a thin layer of cold air forms above a thin layer of warm air, which is statically
unstable because warm air rises and cool air sinks because it is more dense
- are a type of stratiform cloud
come in high, medium, and low
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