wind speed and direction

wind direction indicator

wind direction (W/D)

magnetic wind direction

prevailing wind direction

true wind direction

wind direction

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

wind speed

high-speed wind tunnel

wind rode / wind-rode

wind relative bearing / wind-relative bearing

wind's eye (in the wind's eye)

observation and fields of fire, avenues of approach, key and decisive terrain,obstacles, and cover and concealment (OAKOC)

direction and control of the armed forces

multifunctional radio control, direction finding and suppression system (portable) (MKRPP)

vehicle position and direction indicator

fire direction and control system

command and fire direction net

course and speed calculator

fourth and fifth speed gear synchronizer

hovering and low-speed indicator

Air Force tactical air direction net

automatic combat direction system

compass direction

direction finding (DF)

direction of attack

direction of the main blow

fire direction center (FDC)