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ATC Weather Questions with Detailed Verified Answers
Atmospheric Pressure Ans: ✓ ✓ ✓ The force exerted by the atmosphere at a given point.
(At sea level) Surface temperature? Ans: ✓ ✓ ✓ 15 Degrees C/59 Degrees F
(At sea level) Surface pressure? Ans: ✓ ✓ ✓ 29.92 inches of mercury
Weight of atmosphere at sea level... Ans: ✓ ✓ ✓ 14.7 pounds per square inch
Pressure decreases roughly how much of mercury for each 1,000 feet increase in altitude? Ans: ✓
✓ ✓ One inch
Aneroid Barometer Ans: ✓ ✓ ✓ Less accurate than the mercurial barometer.
Altimeter Settings Indicator (ASI) Ans: ✓ ✓ ✓ Primary means of obtaining altimeter settings at
terminal facilities, DASI is Digital.
Station Pressure Ans: ✓ ✓ ✓ Pressure measured at airport.
AGL Ans: ✓ ✓ ✓ Above ground level
MSL Ans: ✓ ✓ ✓ Mean sea level
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True Altitude Ans: ✓ ✓ ✓ an actual or exact altitude above mean sea level.
Indicated Altitude Ans: ✓ ✓ ✓ an altitude above mean sea level indicated on the altimeter.
Aircraft flies from a high pressure area to a low pressure area, the aircraft is _____ than the
altimeter indicates. Ans: ✓ ✓ ✓ Lower.
Aircraft flies from a low pressure area to a high pressure area, the aircraft is _____ than the
altimeter indicates. Ans: ✓ ✓ ✓ Higher.
Define Lapse Rate. Ans: ✓ ✓ ✓ When temperature decreases with an increase in altitude.
Standard Lapse Rate Ans: ✓ ✓ ✓ 2 Degrees C/3.3 Degrees F per 1,000 feet
Aircraft flying from warm to cold air, the aircraft will be _____ than the altimeter indicates. Ans: ✓
✓ ✓ Lower; "High to low, look out below."
Aircraft flying from cold to warm air, the aircraft will be _____ than the altimeter indicates. Ans: ✓
✓ ✓ Higher; "Low to high, eyes to the sky."
Pressure Altitude Ans: ✓ ✓ ✓ The altitude in the standard atmosphere where the current pressure
surrounding the aircraft is found.
FAA regulations require aircraft to fly at pressure altitudes at high levels. What is the example given
to us? Ans: ✓ ✓ ✓ Above 18,000 feet, automatically input 29.92.
Density Altitude Ans: ✓ ✓ ✓ The altitude in the standard atmosphere where density of the air
surrounding the aircraft is found.
© Get it right 2025 Getaway - Stuvia US All rights reserved
ATC Weather Questions with Detailed Verified Answers
Atmospheric Pressure Ans: ✓ ✓ ✓ The force exerted by the atmosphere at a given point.
(At sea level) Surface temperature? Ans: ✓ ✓ ✓ 15 Degrees C/59 Degrees F
(At sea level) Surface pressure? Ans: ✓ ✓ ✓ 29.92 inches of mercury
Weight of atmosphere at sea level... Ans: ✓ ✓ ✓ 14.7 pounds per square inch
Pressure decreases roughly how much of mercury for each 1,000 feet increase in altitude? Ans: ✓
✓ ✓ One inch
Aneroid Barometer Ans: ✓ ✓ ✓ Less accurate than the mercurial barometer.
Altimeter Settings Indicator (ASI) Ans: ✓ ✓ ✓ Primary means of obtaining altimeter settings at
terminal facilities, DASI is Digital.
Station Pressure Ans: ✓ ✓ ✓ Pressure measured at airport.
AGL Ans: ✓ ✓ ✓ Above ground level
MSL Ans: ✓ ✓ ✓ Mean sea level
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, Click here for more: Scholars nexus
True Altitude Ans: ✓ ✓ ✓ an actual or exact altitude above mean sea level.
Indicated Altitude Ans: ✓ ✓ ✓ an altitude above mean sea level indicated on the altimeter.
Aircraft flies from a high pressure area to a low pressure area, the aircraft is _____ than the
altimeter indicates. Ans: ✓ ✓ ✓ Lower.
Aircraft flies from a low pressure area to a high pressure area, the aircraft is _____ than the
altimeter indicates. Ans: ✓ ✓ ✓ Higher.
Define Lapse Rate. Ans: ✓ ✓ ✓ When temperature decreases with an increase in altitude.
Standard Lapse Rate Ans: ✓ ✓ ✓ 2 Degrees C/3.3 Degrees F per 1,000 feet
Aircraft flying from warm to cold air, the aircraft will be _____ than the altimeter indicates. Ans: ✓
✓ ✓ Lower; "High to low, look out below."
Aircraft flying from cold to warm air, the aircraft will be _____ than the altimeter indicates. Ans: ✓
✓ ✓ Higher; "Low to high, eyes to the sky."
Pressure Altitude Ans: ✓ ✓ ✓ The altitude in the standard atmosphere where the current pressure
surrounding the aircraft is found.
FAA regulations require aircraft to fly at pressure altitudes at high levels. What is the example given
to us? Ans: ✓ ✓ ✓ Above 18,000 feet, automatically input 29.92.
Density Altitude Ans: ✓ ✓ ✓ The altitude in the standard atmosphere where density of the air
surrounding the aircraft is found.
© Get it right 2025 Getaway - Stuvia US All rights reserved
