Patent attributes
A method for extracting a rescue subject from a surface position includes lowering a rescue pod having an enclosed compartment with a door from an aircraft, the rescue pod having a parachute and a control system, the rescue pod connected by a tether to a winch in the aircraft, controllably releasing the tether from the winch while maneuvering the aircraft into an orbit at altitude, diameter and airspeed, creating a gravity well in which the tether describes a spiral configuration with the pod descending along a vertical centerline, lowering the pod to the surface position, loading the rescue subject into the enclosed compartment, and lifting the rescue pod from the surface position by retrieving the tether with the winch or altering the path and speed of the aircraft, in a manner to gradually increase tension in the tether lifting the rescue pod from the ground point.
