Rate of climb indicator

Rate of Climb Indicator: An aeroplane instrument which shows the rate at which a change of height is taking place.
Recalescence Point: The point on the cooling curve of a steel where carbides are precipitated.

VARIOMETER - (also known as a vario, rate of climb and descent indicator [RCDI], rate of climb indicator, vertical speed indicator [VSI], or vertical velocity indicator [VVI]) is one of the flight instruments in an aircraft (mostly used in ...

VSI - Vertical Speed Indicator. A panel instrument that gauges rate of climb or descent in feet-per-minute (fpm). Also Rate Of Climb Indicator.

See also: Weight, Climb, Wind, Roll, Rudder