Type 778 - A high quality, fully ruggedized, shock protected military echo sounder. NSN 5845-99-522-7491

Type 786 - Designed primarily for use on flat bottomed vessels or landing craft and employs an automatically retracting transducer. NSN 5845-99-722-5228


Type 787 - Used extensively throughout the world in naval and commercial applications involving coastal, auxiliary and patrol vessels. NSN 5845-99-724-6052

Type AB3801 Echo Simulator - A portable and versatile instrument used to test and calibrate echo sounders, sonara and similar devices. NSN 5845-99-985-1330