FAA Approves Chelton Flight Systems’ Synthetic Vision EFIS for Bell 427

Keystone Helicopter Corporation has been granted an STC permitting installation of a Chelton Flight Systems’ Synthetic Vision EFIS system in Bell 427s.  The STC will be available in a standard, two-screen system with a Primary Flight Display (PFD) and Multi-Function Display (MFD). The Chelton EFIS uses 3D graphic technology to translate the terrain ahead of and around the helicopter into a simple, real-time visual picture. The system also fulfills the FAA’s TAWS (Terrain Awareness Warning System) mandate for fixed-wing turbine aircraft.  Class A and B Helicopter TAWS (H-TAWS) are also available with the EFIS. The system is compatible with NVG equipment.