Universal Avionics TAWS and Vision-1® Airport Database includes more than 11,000 airports and approximately 22,000 runways worldwide. The Airport Data Listing lists the airports in the Airport Database, and a list of airports with unknown datums is provided in Airports with Unknown Datums.
For more information regarding airports with unknown datums, see Airport Databases, Information regarding Unknown Datums (SL2813).
Airport Data is updated every 28 days and is available, on request, for download from UniNet, our Online Service Center, or for delivery on an annual subscription basis. Additional information and availability is described in the TAWS Airport Database Information and TAWS Airport Database Updates documents.
Changes in the TAWS and Vision-1® Airport Database in the past calendar year and in the latest update are included in the Yearly Report and Current Cycle Report documents, respectively.