The winglet designer will offer 4Air-certified sustainability tracking for new clients for a year after installing its winglets.

When a Falcon 900EX with an unusual floor plan came to the attention of one of Duncan Aviation's past clients, he began to imagine turning the rough diamond into a gem. And he knew just who to turn to for help.

API's winglet installation relationship with West Star goes back 20 years, starting with Hawkers at Grand Junction in 2004 and more recently Falcons at East Alton in 2010. Chattanooga is now being brought online.