As of 2025, the KI 256 is considered . Honeywell no longer manufactures new units, and repair costs (typically $1,500-$2,500) often exceed the value of the gyro. However, for vintage Beechcraft Barons, Cessna 340s, and Piper Navajos, keeping the KI 256 running is still common.
In conclusion, the King KI 256 installation manual is a testament to the precision required in aviation maintenance. It is a technical roadmap that ensures the instrument functions as intended, safeguarding the lives of those on board. Through detailed specifications on mounting, plumbing, wiring, and testing, the manual transforms a piece of hardware into a reliable component of the aircraft's navigation system. For the installer, it is an indispensable tool that reinforces the aviation maxim: there is no room for error in the sky. ki 256 installation manual
: Confirm the aircraft instrument gauge indicates between 4.5 and 5.2 in. Hg at normal engine idle speeds. As of 2025, the KI 256 is considered
Are you troubleshooting an or wiring a new harness ? Share public link In conclusion, the King KI 256 installation manual
The is a foundational piece of avionics, serving as both a primary attitude indicator and a command bar flight director for many general aviation aircraft. As part of the KFC 150/200 autopilot systems, the KI 256 (P/N 060-0017-00, etc.) requires precise installation to ensure accurate flight guidance and gyro performance.
This guide is for informational purposes only. Always refer to the official Honeywell publication (King P/N 006-10568-0000) for certified installations. Installation must be performed by a certified avionics technician.