instantaneous vertical speed indicator / instantaneous vertical-speed indicator (IVSI)

instantaneous vertical velocity computer (IVVC)

vertical speed indicator (VSI)

vertical gyro indicator

vertical scale indicator

instantaneous burst

instantaneous detonating fuse

instantaneous action fuze

instantaneous percussion fuze

instantaneous radiation

instantaneous radius of the flight path

instantaneous motion of a fluid element

instantaneous rate of flow

instantaneous velocity

instantaneous frequency measurement (IFM)

Instantaneous battery consumption in mAh/distance (Requires valid GPS fix)

instantaneous battery current draw

instantaneous electrical power consumption

instantaneous main battery voltage (flashes when below alarm threshold)

Instantaneous RSSI value (flashes when below alarm threshold)

hovering and low-speed indicator

rate of descent (ROD) / vertical speed

vertical speed (rate of climb, ROC)

vertical speed (rate of descent, ROD)

Numerical readout of vertical speed

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

Nr gauge (Nr = speed of rotation) / rotor speed sensor

Motor PWM speed separated from PID speed

air-flow indicator

artificial horizon (gyro horizon/ attitude indicator)

desiccant indicator

gyro course indicator