An operable stabilization device for a rescue stretcher and method thereof are disclosed. The present invention is especially but not exclusively used in an aircraft rescue of an injured person that is carried in a rescue stretcher suspended from a helicopter by a cord. The stabilization device is configured to adjust direction of a downward airflow from a main rotor of the helicopter to control rotation of the rescue stretcher, and includes a manually operable stabilization sail configured to accept the airflow, an airflow passageway configured to allow and direct the airflow through the stabilization sail and an airflow regulator configured to restrict the amount of airflow being accepted by the airflow passageway.