RHEOSTAT (P/N a43s-300) - As Removed

The a43s-300 is a panel-mounted rotary rheostat for controlling low-voltage DC lighting circuits in aircraft cockpits. This variable resistor adjusts instrument and panel lamp intensity through manual rotation, allowing pilots to optimize visibility during different flight phases and lighting conditions. The rheostat integrates into cockpit lighting systems via standard wiring connections and mounts directly to instrument panels or overhead consoles.

Installation follows aircraft-specific wiring diagrams and AC 43.13-1B practices, with resistance and wattage ratings matched to the lighting circuit design. Commonly found in general aviation and business aircraft lighting control systems.

What is the RHEOSTAT (P/N a43s-300)?

The a43s-300 is a panel-mounted rotary rheostat for controlling low-voltage DC lighting circuits in aircraft cockpits. This variable resistor adjusts instrument and panel lamp intensity through manual rotation, allowing pilots to optimize visibility during different flight phases and lighting conditions.

Is the a43s-300 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The RHEOSTAT is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the a43s-300 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the a43s-300?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.