input speed

supersonic speed (exceeds speed of sound / Mach 1)

variable-speed with speed control

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

cruise speed / cruising speed

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

input data strobe

input/output device (i/o)

multiple-input, multiple-output (MIMO)

voltage input

input / output transducer

mobile networked multiple-input, multiple-output

real-time input-output transducer

air input valve

axle input

heat input

input gearbox shaft

input shaft

input control lever

input control rod

input signal

voice input

audio input

video input

antenna input impedance

input axis

input coupler

input power of propeller

input recorder

input-output channel

transistor input resistance

input

apparent speed