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An airport surface operations (taxi) display is an electronically generated, graphic representation of airport layout data installed in the aircraft cockpit to assist pilots in navigating airport surfaces. This electronic airport map is intended primarily to improve the efficiency and safety of airport ground operations, especially at busy, complex, or unfamiliar airports. Concepts for potential situational awareness and safety improvements on the airport surface, and low visibility guidance applications were developed. Surface operations display symbology, alphanumeric information, taxi map transformations, and other graphics issues were evaluated. Navigation equipment issues were also investigated with differential GPS being the obvious choice for position sensor. A set of in-house developed software tools was used to generate databases from Jeppesen data for several airports.