derivative fighter engine

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

air-dominance fighter / air dominance fighter

engine model derivative

engine model derivative program

engine capacity / engine power, engine output

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

control derivative

Derivative Method

derivative

Derivative (tech.)

ballistic missile derivative launch vehicle

bomber derivative used as a cruise missile launch platform

derivative classification authority

derivative of an existing weapon system

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

reaction engine / motor (jet engine)

rotary engine (Wankel engine)

engine ground run / engine test

engine oil reservoir / engine oil tank

airbreathing jet engine / ducted jet engine

air superiority fighter

escort fighter

fighter (ftr, F)