Landmark Aviation offers a wide range of services from FBO, (fixed-based operator) to MRO (maintenance, repair and overhaul) and management. Charter flight are also available -- it has one of the largest corporate fleets in the country. Customer service and safety are the core of the company's operating philosophy. There are a total of 41 Landmark locations. The White Plains location is situated in a large, impressive terminal building at Westchester Airport.