control derivative

proportional-integral-derivative / proportional integral derivative (PID)

substantial derivative of a hydrodynamic quantity

effective dihedral derivative

material derivative of a hydrodynamic quantity

proportional–integral–derivative controller (PID controller / three-term controller)

symmetrically deflected elevon effectiveness derivative

Derivative Method

derivative

Derivative (tech.)

ballistic missile derivative launch vehicle

bomber derivative used as a cruise missile launch platform

derivative classification authority

derivative fighter engine

derivative of an existing weapon system

engine model derivative

engine model derivative program

military derivative of commercial aircraft

oil derivative

proportional-integrative-derivative controller

second derivative method

self-modulating derivative optical spectrometer

proportional–integral–derivative controller / PID Controller / three-term controller

gun control equipment / gun-control equipment (GCE)

individual control (of fire) / individual fire control

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

control surface / control-surface

roll-control / roll control

time-gain control / gain time control

fire-control director / fire control director

aileron control rod (from control wheel)

aerodrome control service