Introduction Flashcards
1
Q
Definition of height
A
Vertical distance above a datum, typically AGL
2
Q
Definition of altitude
A
Vertical distance above mean sea level
3
Q
Definition of elevation
A
Vertical distance above mean sea level of some point on the ground
4
Q
What is QNH
A
Air pressure measured at mean sea level for any point on the earth
5
Q
How do you calculate pressure height
A
(1013-QNH) x 30 + elevation (or current altitude)
6
Q
What rate does pressure drop as you climb
A
1 hPa per 30ft
7
Q
What is the formula for predicting ISA temperature?
A
Temperature in ISA = 15 - 2 x thousands of feet
