Ki 256 Installation Manual 【2026 Edition】

The KI 256 is a 3-inch (ATI) panel-mounted electrically driven attitude gyro with built-in Flight Director command bars. It receives pitch and roll steering commands from an external Flight Director computer (e.g., KFC 150/200/250 series). The instrument requires both (or optional 14 VDC with converter) and a regulated vacuum source for gyro spin-up and rigidity.

If you are replacing a failed KI 256 with a new unit, you may not need a full manual re-installation. However, if you are installing into a new panel or swapping from a different indicator (e.g., KI 525), you must follow the complete process. ki 256 installation manual

The KI 256 contains a . Never apply power while the unit is unmounted or in a non-level aircraft attitude. This can topple the gyro and cause immediate failure. The KI 256 is a 3-inch (ATI) panel-mounted