side-by-side rotor helicopter

lateral dual rotor system / side-by-side rotor helicopter

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

coaxial-rotor helicopter

single-rotor helicopter

tandem-rotor helicopter

single rotor helicopter drone

air combat capable helicopter / air-to-air capable helicopter

ambulance helicopter / medical evacuation (MEDEVAC) helicopter

medical evacuation (MEDEVAC) helicopter / ambulance helicopter

far side (farside, far-side)

near side (nearside, near-side, N/S)

disposition side by side

wobble (uneven, side-to-side rocking motion)

right side / starboard side

starboard side / right side

port side / port-side

side-by-side double-barreled gun

side-by-side shotgun

near-side rally point / near side rally point

far-side rally point / far side rally point

side-by-side formation

side-by-side training

side-to-side control

brake rotor

tail rotor blade

tilt rotor aircraft

turbine disc / rotor /wheel

idle rotor

inner rotor

aft main rotor

main rotor brake