Beechcraft King Air C90GTx — Type Certificate

This document provides installation instructions and data specific to the Raytheon Model C-90 aircraft, particularly for the installation of the GWX 68 Weather Radar system. It outlines the necessary modifications, safety precautions, and technical specifications required for a successful installation. The document is intended for use by qualified personnel involved in the installation and maintenance of the radar system on C-90 aircraft. It includes detailed sections on safety information, installation practices, electrical loads, and weight and balance considerations, ensuring compliance with FAA regulations and standards.

• The GWX 68 Weather Radar is specifically designed for installation in Beechcraft C-90 aircraft.
• Minimum safe distances from the radar antenna are 9.16 ft for the 10" antenna and 10.8 ft for the 12" antenna.
• The installation requires careful orientation, with the radar needing to be level within 1° in both vertical and horizontal planes.
• Weight and balance calculations show a total weight change of -1.6 lbs after the installation of the GWX 68 radar.
• Electrical load analysis must be conducted prior to installation, with specific power requirements outlined for both 14 VDC and 28 VDC systems.