071-1210-04

BendixKing KFS 586 ADF control unit 071-1210-04

071-1210-04 is the exact Part Number for this BendixKing / Honeywell KFS 586 ADF control unit. The panel-mounted unit provides frequency management, operating-mode selection, power and volume controls for a compatible KDF 806 automatic direction finder installation. It is a cockpit command and display component, not the ADF receiver itself. The complete suffix must be checked because KFS 586 and KFS 586A versions differ in lighting, bezel, lens and control configuration.

The partner inventory identifies 071-1210-04 in overhauled condition with EASA Form 1 and a six-month warranty. The photographed rear plate confirms KFS 586, Part Number 071-1210-04 and serial number 4224. The unit has a black bezel and the source listing specifies 28 V lighting, a diffused lens and Mode/On/Off/Volume controls.

Frequency selection and crew controls

The KFS 586 presents active and standby ADF frequency information and allows the crew to tune the connected KDF 806 receiver. Its mode selector supports the operating positions marked on the front panel, including OFF, BFO, ADF and ANT, while the separate control provides frequency entry and the volume control adjusts received audio. The transfer control exchanges active and standby values in the supported installation.

The display is managed electronically, and the installation manual describes non-volatile storage for active and standby frequencies after power is removed. An automatic dimming circuit adjusts display brightness for ambient conditions. The control head depends on correct power, lighting, data and interconnect wiring to the receiver; a blank display or tuning fault may therefore originate in the control, receiver, harness, supply or grounding.

Connection with the KDF 806 system

The installation manual identifies the KFS 586, P/N 071-1210-XX, as the standard control unit for the KDF 806 receiver. In a typical approved chain, the crew enters frequency and mode commands through the KFS 586, the 066-1077-01 KDF 806 processes signals received through the KA 44B antenna, and compatible bearing outputs are routed to an indicator or EFIS interface. This functional relationship does not make the components interchangeable.

The front display can show an X when valid ADF bearing information is unavailable. This indication should be interpreted through the approved flight manual and maintenance documentation. A complete installation may also include a mounting rack, connectors, circuit protection, audio wiring, indicator wiring and antenna cabling that are not assumed to be supplied with this control unit.

Configuration and installation checks

For exact P/N 071-1210-04, published configuration tables identify a black bezel, 28 V lighting, diffused lens and Mode/On/Off/Volume controls. The photographed rear plate marks TSO C41c Class A, DO-160A environmental reference and a weight of 0.7 lb (0.32 kg). These exact details should be compared with the removed control head and aircraft equipment list before installation.

Technicians should confirm panel cutout, mounting screws, connector keying, pin assignment, lighting circuit and approved interface with the installed KDF 806 version. Similar-looking KFS 586A or alternate-suffix units are not automatically approved substitutes. Bench and aircraft testing must follow the applicable manufacturer procedures.

Overhauled condition and ordering

This 071-1210-04 KFS 586 is offered in Overhauled condition from partner stock with a six-month warranty. Availability, serial allocation and EASA Form 1 documentation are reconfirmed at quotation because partner inventory can change. The published price applies to the stated Part Number and condition.

For a request, specify Part Number 071-1210-04, model KFS 586, quantity, destination and documentation needs. Including the installed KDF 806 receiver Part Number and aircraft configuration helps prevent interface errors. Related avionics are available in the Garmin / BendixKing / Honeywell / Collins category; cross-sell positions are system-related catalog items, not interchangeable replacements.

Pre-installation inspection should also confirm display readability, knob security, connector condition and the absence of unauthorized changes. The release paperwork must identify the same Part Number and serial number as the supplied control.

Product Type: ADF cockpit control unit

Designation: 071-1210-04

Manufacturer: BendixKing / Honeywell

Model: KFS 586

Function: Frequency selection, operating-mode control, power and volume control for a compatible KDF 806 ADF installation

Associated Receiver: KDF 806

Bezel: Black

Lighting: 28 V according to the configuration table and partner source

Display Lens: Diffused

Controls: Mode, On/Off and Volume controls

Operating Modes: OFF, BFO, ADF and ANT as marked on the photographed front panel

Display Function: Active and standby ADF frequency presentation with transfer control

Weight: 0.7 lb / 0.32 kg according to the photographed rear plate

Certification Marking: TSO C41c Class A and DO-160A reference on the photographed plate

Photographed Serial Number: 4224

Condition: Overhauled

Warranty: 6 Months

Documentation: EASA Form 1 according to the partner listing

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In Stock — items available in stock at the Dubai warehouse are dispatched within 5–10 business days after receiving 100% prepayment.

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Returns & Changes (Restocking Fee)
For selected items, a RESTOCKING FEE of 10% may apply in case of return, order cancellation, or changes to the order specifications. This condition applies only to certain products and is confirmed at the order approval stage.

Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.