Flight instruments Flashcards
1
Q
What happens to VSI, ASI, ALT when static port blocked?
A
VSI - return to/stay at 0
ASI - under-read more as you climb
over-read as you descend
ALT - stop moving
2
Q
what happens to ASI if pitot tube is blocked?
A
climb = airspeed increase
descent = airspeed decrease
3
Q
what is indicated altitude
A
altitude read off dial
4
Q
what is pressure altitude
A
altitude when set to 29.92
5
Q
true altitude
A
exact height above mean sea level
6
Q
density altitude
A
pressure altitude corrected for nonstandard temp
7
Q
compass variation
A
difference between true and magnetic north (isogonic lines)
8
Q
compass deviation
A
variation of compass reading inside vs outside plane
9
Q
northerly turning error
A
north lags, south leads
10
Q
A
