Rotor Technologies to touch down at the Aviation Museum on Feb. 19

Rotor Technologies to touch down at the Aviation Museum on Feb. 19

LONDONDERRY – Can you guess the Granite State’s largest export business? If you said the aerospace sector, you’re correct. One New Hampshire business that’s part of the state’s future-facing aviation industry is Rotor Technologies, Inc., a Nashua-based manufacturer of unmanned helicopters-sometimes referred to as the world’s largest drones.