Altimeter Flashcards
1
Q
Due to changes or differences in the actual atmosphere and the ISA what things can lead to errors in the Altimeter indication
A
Low pressure systems
Temperature variations
Mountain effect and waves
Abnormally, high pressure
2
Q
What is barometric pressure?
(Air pressure)
A
Weight of the overlaying air pressing down on the earth
3
Q
Low barometric pressure =
A
Overlaying air is rising
Lower than 29.92 (as low as 27.30)
4
Q
High barometric pressure =
A
Overlaying air is sinking.
Above 29.92 on barometric scale (as high as30.7)