якість утримувального гвинта
make (somebody) a sergeant on merit
merit
merit rating
merit scroll
lateral dual rotor system / side-by-side rotor helicopter
main-rotor head / main-rotor hub
main-rotor hub / main-rotor head
figure
REMF (rear echelon mother figure)
figure target
head-and-shoulders figure target
figure-of-eight driver-training track
figure eight knot
six-figure reference
code figure
figure 8 flying
brake rotor
tail rotor blade
tilt rotor aircraft
turbine disc / rotor /wheel
idle rotor
inner rotor
aft main rotor
main rotor brake
rotor support damper
coaxial-rotor helicopter
single-rotor helicopter
tandem-rotor helicopter
anti-torque rotor
anti-torque rotor control
anti-torque rotor hub
articulated rotor