three-blade tail rotor

tail rotor blade

tail rotor blade angle

tail rotor blade casing

blade tip light / main-rotor blade tip light

main-rotor blade tip light blade tip light

three-blade propeller

loss of tail rotor effectiveness

tail rotor control cable

tail rotor drive shaft

tail rotor drive shaft in pylon

tail rotor gear box

tail rotor head casing

tail rotor hub

tail rotor pylon

tail rotor rotation direction

tail rotor slip ring assembly

tail rotor

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

main-rotor head / main-rotor hub

main-rotor hub / main-rotor head

five-blade main rotor

main-rotor blade

main-rotor blade durability

solid metal rotor blade

rotor blade

blade flat; saber flat; sword flat, flat of the blade / sword

blade de-icers / blade heating elements

blade heating elements / blade de-icers

blade horn / blade lever

three brigades abreast

three-dimensional (3D) point position

3CF (three column format 1. Factor - What; 2. Deduction, Analysis / Implication – Why; 3. Output - So What)