The 850hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?
FL100
FL300
FL390
FL050
Which constant pressure altitude chart is standard for an 18,289ft pressure level?
300hPa
200hPa
700hPa
500hPa
If you are planning a flight at FL170, which of these upper wind and temperature charts would be nearest your flight level?
850hPa
Which constant pressure altitude chart is standard for a 38,662ft pressure level?
What is the station pressure used in surface weather charts?
QNE
QFF
QFE
QNH
Half the mass of the atmosphere is found in the first...
8km.
6km.
3km.
11km.
A 500hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?
FL160
FL180
Which constant pressure altitude chart is standard for a 4,781ft pressure level?
The QNH at an airfield located 200m above sea level is 1022hPa. The air temperature is not available. What is the QFF?
It is not possible to give a definitive answer.
More than 1022hPa
1022hPa
Less than 1022hPa
A 700hPa pressure level can vary in height. In temperate regions which of the following average heights is applicable?
When planning a flight at FL060, which upper wind and temperature chart would be nearest your flight level?
The QFF at an airfield located 400m above sea level is 1016hPa. The air temperature is 10°C higher than a standard atmosphere. What is the QNH?
More than 1016hPa
1016hPa
Less than 1016hPa
Which of the following is true concerning atmospheric pressure?
It always decreases with height at a rate of 1hPa per 8m.
It decreases with height.
It is higher in winter than in summer.
It is higher at night than during the day.
The upper wind and temperature chart of 250 hPa corresponds, in a standard atmosphere, to about...
FL320.
FL340.
FL390.
FL300.
