, PURCHASE STREET). LEFT ONTO PURCHASE STREET APPROXIMATELY 3 MILES, MAKE A RIGHT ONTO TOWER ROAD (HANGAR E) - PROCEED TO JET SYSTEMS. LONG ISLAND LONG ISLAND EXPRESSWAY OR THE GRAND CENTRAL PARKWAY TO THE CROSS ISLAND PARKWAY. CROSS ISLAND PARKWAY WEST TO THE THROGS NECK BRIDGE. CROSS BRIDGE NORTH ON THE NEW ENGLAN