Aeroquest International Limited (Aeroquest) is an information services company, provides commercial airborne geophysics and aerial geomatics surveys for use in the mineral and petroleum exploration industries, and environmental and infrastructure industries. As of September 30, 2010, it offered airborne geophysics surveys on both helicopter and fixed wing platforms and aerial geomatics surveys on fixed wing platforms. It has three segments: Airborne Geophysics, Aerial Geomatics, and Instruments and Sensors. Its helicopter systems include the AeroTEM time-domain system in diameters ranging from five meters to 12 meters, the Impulse H-FDEM system and tri-directional Magnetic Gradiometer system. Its other helicopter systems are its Impulse and Heli-TAG systems. On January 31, 2011, it and OSI Geospatial Inc. announced acquisition by Aeroquest of the Mapcon Mapping group of companies from OSI. In December 2011, its subsidiary Aeroquest Optimal Inc. had sold to Magnolia River Services, Inc.