Maintenance and Modifications
Winglet Technology Gets STC for Sovereign Weight Boost
The FAA STC nod permits a 475-pound increase in the Sovereign’s MTOW and a 200-lb increase in MZFW.

Winglet Technology received FAA STC approval for maximum takeoff weight (mtow) and maximum zero fuel weight (mzfw) increases for Cessna Citation Sovereigns equipped with the company’s Transitional winglet designs. The FAA STC nod permits a 475-pound increase in the Sovereign’s mtow and a 200-pound increase in mzfw.