Vertical Speed Indicator (VSI)

Question 1

The Vertical speed indicator

Answer 1

Measures how fast you are climbing or descending (vertical speed)

Question 2

VSI parts inside

Answer 2

– Diaphragm
– Capsule
– Gearing

Question 3

VSI parts

Answer 3

Needle

Numbering
-100’s of feet

Question 4

Lag error

Answer 4

6-9 second delay until actual rate of climb or descent is shown on the VSI.

Question 5

Importance to pilot

Answer 5

• Don’t look at the VSI to maintain altitude – look outside or refer to the altimeter!