On behalf of Gulfstream Aerospace, Peregrine has completed a supplemental type certificate (STC), ST01075DE, covering the installation of flap and slat actuator heaters to ensure improved high-lift system operation in cold weather landing situations. After exposure to
A Peregrine-developed FAA STC for Gulfstream FAST G150s resolves the problem of freeze-up of G150 flap and slat actuators. This freeze-up can prevent the deployment of these secondary flight controls. Read more about the STC here.