Aviation Dictionary

Retreating blade

Any blade, located in a semicircular part of the rotor disk, in which the blade direction is opposite to the direction of flight.

Dictionary Term

Retreating blade

Definitions

Any blade, located in a semicircular part of the rotor disk, in which the blade direction is opposite to the direction of flight.
Any blade, located in a semicircular part of the rotor disc, where the blade direction is opposite to the direction of flight.

References

Helicopter Flying Handbook, Federal Aviation Administration, 2019
Rotorcraft Flying Handbook, Federal Aviation Administration, 2000