The upgrade represents a significant advancement in the avionics capabilities of Hawker 800 series aircraft. Southeast's goal is to offer a modern, efficient and highly reliable upgrade path.

Southeast Aerospace, Duncan Aviation, Avmax Aviation Services, Trimec Aviation and Rocky Mountain Aircraft were awarded for service, sales and customer support by Universal Aviation.

The ESI version of the GI 275 offers an all-in-one option to replace pre-existing, obsolete, higher-cost ESI and mechanical standby instruments, while the IVSI version of the GI 275 can replace ageing and obsolete units.