(уявна) поздовжня вісь (проходить через центр тіла зверху вниз)
longitudinal control
longitudinal-level bubble
longitudinal axle
longitudinal-stability test
runway average longitudinal gradient
control stick longitudinal displacement
longitudinal dihedral
lateral and longitudinal trimming actuator
longitudinal accelerometer
longitudinal centre of gravity
longitudinal separation
swash plate longitudinal displacement
longitudinal control rod
longitudinal
longitudinal slot
longitudinal slot in broad face
longitudinal slot in narrow face
longitudinal-slot antenna array
longitudinal-slot array
axis (мн. axes)
axis of advance
axis of the barrel
axis of the bore
gun’s axis inclination level
helix along the axis of the bore
lateral axis
strategic axis
take-off axis
threat axis
vertical axis
X axis (line)
dual axis rate transducer