066-01130-0801

Navigation-system role and signal path

In a compatible installation, antenna and navigation inputs are processed by the KN 40 and passed through the aircraft wiring to the designated indicator, flight director or other approved interface. The exact connected equipment varies by aircraft and system design. No specific indicator or aircraft type is claimed for this suffix without the relevant installation documentation.

A simplified functional chain is approved navigation antenna and signal source → KN 40 navigation receiver → configured analog or discrete outputs → compatible display or integrated flight-control equipment. Correct operation depends on antenna condition, coaxial wiring, power supply, connector continuity, aircraft bonding and the selected indicator configuration. Troubleshooting should examine the complete chain before the receiver is replaced.

Exact identification and qualification markings

The original plate identifies the unit as a KN 40 Navigation Receiver with Part Number 066-01130-0801 and serial number 11509. It lists TSO C34e with DO-192 and DO-160B, TSO C66b with DO-151A, TSO C35d with DO-143 Category A, TSO C36e with DO-195 Class A, and TSO C40c with DO-196.

The same plate states DO-178A Software Level 2 and shows the unit modification-status row. These are direct readings from the exact photographed receiver. They should not be generalized to another KN 40 suffix. Power consumption, overall weight and exact dimensions were not confirmed from an authoritative open source for 066-01130-0801 and should be taken from the applicable installation data.

Connectors, installation and test requirements

The main image shows three multipin connector interfaces, their metal shells, retaining screws and the original receiver housing. J401 and J402 markings are visible on the exact unit, together with the vertical Part Number and serial marking. The gallery image preserves the manufacturer plate and certification references for ordering and maintenance comparison.

Before installation, confirm the mating connectors, pin assignment, power and ground circuits, antenna connections, indicator compatibility, rack or mounting arrangement and approved modification status. Post-installation testing should follow the aircraft and KN 40 maintenance data, including receiver performance, output behavior and correct response at the connected indication equipment. Similar connector geometry does not prove electrical interchangeability.

Navigation complaints should also be checked against the antenna, coaxial cable, bonding, switching relays, indicator and aircraft wiring. A bench-tested receiver can still show poor results when signal distribution or installation wiring is defective, making complete system troubleshooting essential before and after replacement.

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Serviceable supply and ordering information

This 066-01130-0801 KN 40 is offered in Serviceable condition from partner stock with a six-month warranty. The price follows the agreed comparison rule and is set above the exact same-condition public reference where required. The serial number, release certificate, modification status and current bench-test details for the supplied unit are confirmed in the quotation and dispatch documentation.

For an inquiry, specify Part Number 066-01130-0801, model KN 40, intended aircraft, existing navigation installation, quantity and required certification. Antennas, indicators, racks, mating connectors and wiring are included only when expressly listed. Related navigation and flight-control components can be reviewed in the Garmin / BendixKing / Honeywell / Collins category; related equipment is not automatically interchangeable.