INTERCOM ASSY FOUR (P/N pm501) - As Removed

The PM501 is a four-place panel-mounted intercom assembly from PS Engineering for general aviation aircraft. It provides VOX-activated interphone audio routing for pilot, copilot, and two passengers with ISO/ALL mode selection and fail-safe pilot radio audio integration. The unit mounts in standard instrument panel cutouts and connects to aircraft electrical systems, headsets, and radio equipment.

Installation follows PS Engineering specifications and FAA AC 43.13-2B avionics practices. Note: This assembly is not FAA TSO-approved; verify installation approval with your A&P/IA before implementation.

What is the INTERCOM ASSY FOUR (P/N pm501)?

The PM501 is a four-place panel-mounted intercom assembly from PS Engineering for general aviation aircraft. It provides VOX-activated interphone audio routing for pilot, copilot, and two passengers with ISO/ALL mode selection and fail-safe pilot radio audio integration.

Is the pm501 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The INTERCOM ASSY FOUR 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 pm501 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 pm501?

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.