GS0401: [ Aircraft performance enhancement services, namely, providing technical advice related to the manufacture of helicopters and airplanes ]
GS0071: Vortex generators for generating enhanced lift for aircraft
GS0121: Structural and performance parts for aircraft, namely, fins and winglets designed to improve the performance of helicopters and airplanes, and replacement parts sold as a unit therewith; tailboom strakes for aircraft
GS0111: Lighting systems for aircraft comprised primarily of light emitting diodes (LEDs), for use in lighting systems for navigation, recognition, and anti-collision