types of altitude Flashcards
1
Q
how many types of altimeter are there
A
5
2
Q
indicated
A
uncorrected altitude indicated on the dial when set to the local pressure setting (QNH)
3
Q
pressure
A
altitude above the STANDARD 29.92” Hg PLANE (aka STANDARD DATUM PLANE)
4
Q
density
A
pressure alt. CORRECTED for NONSTANDARD TEMPERATURE
5
Q
true
A
actual altitude above Mean Sea Level (MSL)
6
Q
Absolute
A
height above AIRPORT ELEVATION (QFE)
7
Q
when is pressure altitude used
A
when flying above the transition altitude (18,000’ in the USA)
8
Q
when is density altitude used
A
used for performance calculations
