Croatia Airlines selected Rockwell Collins’ HGS Head-up Guidance System for installation on its fleet of four Bombardier Q400s plus two aircraft options. Financial terms of the contract were not disclosed. Rockwell Collins said the HGS allows Category III approach and landing down to 600 feet Runway Visual Range (RVR), low-visibility takeoff down to 300 feet and lower-than-standard Category I approach minima as low as 1600 feet.