Flygprestanda
 Flygprestanda AB (ICAO: FPA ) is a Swedish aviation company specializing in the support of takeoff and landing calculations. This is done in part through their 'Guru' software powered by an airport database derived partly from national Aeronautical Information Publications and NOTAMS. As of January 2011 the database covers more than 6000 airports.One of their other core services is the creation of Route Performance Manuals which deal with the efficiency of aircraft operations.