Power Steer Controls Navitron Power Steer controls are intended for installation in sheltered (bridge or wheelhouse) locations and are suitable for use as single or multistation units with all Navitron autopilot types. Fully Type Approved for inclusion in NT921G/951G and NT990G/991G MK2 Autopilot Systems, the NT920NFU is a dual-function device that enables permanent (NFU) and […]