apparatus and methods for enhancing knowledge of the angle of attack of a streamer steering device are described , one apparatus comprising a seismic streamer having an orientation member including a body and at least one control surface ; a sensor of the body adapted to measure a parameter indicative of angle of attack of the body ; and a controller for adjusting the control surface based on at least the measured parameter . it is emphasized that this abstract is provided to comply with the rules requiring an abstract , which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure . it is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims .