Ki 256 Installation Manual Jun 2026

Connect the exhaust port to the cabin overboard vent or a dedicated low-pressure return line. Post-Installation Calibration and Testing Ground Testing

I can provide the specific pinout charts or troubleshooting steps based on those details. BendixKing KI-256 | SEAEROSPACE.COM

The serves as the primary attitude source and single-cue flight director display for heritage automatic flight control systems like the KFC-150, KFC-200, KFC 225, and KFC 250. Because this unit houses an internal vacuum-driven vertical gyro while outputting highly sensitive analog electrical signals to your flight computer, following precise installation manual protocols is critical to prevent autopilot oscillations, signal degradation, or vacuum system failure.

Terminate shields at the autopilot computer chassis ground end only. Do not ground both ends of the shield to avoid ground loops.

Avoid random PDFs from Google Drive or forum posts. They often contain missing pages (especially wiring diagrams) or incorrect revisions. Use only the revision matched to your gyro’s serial number. ki 256 installation manual

: Displays aircraft pitch and roll attitude while providing single-cue command bars for flight director guidance.

Analog AC/DC pitch and roll attitude voltages routed directly to the flight computer. Mechanical Installation & Panel Configuration

: A single-box autopilot computer system common in high-performance singles.

The BendixKing KI 256 Go to product viewer dialog for this item. Connect the exhaust port to the cabin overboard

Perform a complete functional test of the unit in accordance with Section VI of the KI 256 Maintenance Manual. peter2000.co.uk

The is a core component of several legacy BendixKing autopilot systems, including the KFC-150 , KFC-200, KFC 225, and KFC 250. As a self-contained vertical gyro, it provides real-time pitch and roll attitude data while featuring a single cue command bar to display flight director guidance. Technical Specifications & Requirements

The KI‑256 is available in two primary mounting configurations:

Level the aircraft using jacks and a digital protractor across the primary leveling lugs. Because this unit houses an internal vacuum-driven vertical

Before proceeding with the installation of the KI 256, it is essential to ensure that all pre-installation requirements are met. This includes:

Turn on the 400 Hz inverter. The Gyro Warning Flag must retract from view within 3 minutes as the gyro reaches operational RPM.

Below is an overview of the technical requirements for integrating the KI 256 into an aircraft's avionics suite. 1. General Specifications