Hawthorne Global Aviation Services opened an FBO at Long Island MacArthur Airport in Islip, N.Y, today. The facility is co-located with aircraft charter, management and maintenance firm ExcelAire. In conjunction with the opening, Hawthorne also announced plans to add up to 32,000 sq ft of hangar and office space to the FBO, allowing it to accommodate bizliners. The FBO is also a qualified gateway to Washington Reagan National Airport.