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Exam- ACS-Airman Certification Standards Part 4 Questions with Solutions
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Exam- ACS-Airman Certification Standards Part 4 Questions with Solutions
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Exam- ACS-Airman Certification Standards Part 4Questions with Solutions
How do you activate the airport lights at night? Correct Answer-On the right frequency...
click on the mic 3 times for low
click on the mic 5 times for medium
click on the mic 7 times for high
Define the term ceiling Correct Answer-lowest layer of clouds BKN (broken) or OVC
(overcast)
What are the three stages of a thunderstorm? Correct Answer-1. Cumulus - Big updrafts,
characterized by the building phase.
2. Mature - Start of precipitation. the moment rain starts to fall.
3. Dissipating - Characterized by downdrafts, rains double in size. It begins to rain itself out
High pressure systems Correct Answer-BIG blue H refers to high pressure systems;
anticyclone. Typically lots of sunshine and good weather. Dry weather and mostly clear skies.
DESCENDING AIR
, Exam- ACS-Airman Certification Standards Part 4
Questions with Solutions
Low pressure systems Correct Answer-BIG red L refers to low pressure systems. Low-
pressure systems are associated with clouds and precipitation that minimize temperature
changes throughout the day. Bad weather is typically associated with low pressure systems.
Cyclonic circulation
What determines how stable the atmosphere is? Correct Answer-The stability of the
atmosphere depends on its ability to RESIST vertical motion. A stable atmosphere makes
vertical movement difficult, and small vertical disturbances dampen out and disappear.
Spatial Disorientation Correct Answer-is defined as the inability of a pilot to correctly
interpret aircraft attitude, altitude or airspeed in relation to the Earth or other points of
referenc
Compass Errors Correct Answer-Variation: difference between true and magnetic N
Deviation: Magnetic field generated from aircraft
Magnetic dip: gets closer to North Pole
Oscillation: due to turbulence or rough control
Northerly turning errors(UNOS)
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