The KFS 578A Control Unit supplies serial data and control signals for the MST 67A Transponder. Equipped with an ARINC 429 serial data bus. The KFS 578A may also be used in the tandem mode (two units controlling one R/T with each control unit displaying the same readout).
Version 071-01507-6703 has a black face with extended range control and ON/OFF switch. Compatible with dual transponder operation, TCASI and TDR-94D. 5V lighting.
- TCAS controller for TCAS equipped aircraft
- TA selection places the TCAS in the Traffic Advisory mode (TCAS I & II)
- TA/RA selection places the TCAS in the Traffic Advisory/Resolution Advisory mode (TCAS II)
- Digital control for use with MST-67A Mode S Transponder
- Contains all controls required for transponder operation including TEST, STANDBY, ON (transponder), ALTITUDE, VFR, and IDENT
- Supplies ARINC 429 data to all versions of MST-67A
- Can also serve as aircraft's TCAS controller for TCAS equipped aircraft
- Microprocessor based
Product Codes | |
|---|---|
| Mfr Part No: | 071-01507-6703 |
| SCHEDULE B CODE: | 8533.21.0030 |
Weight: 1 lb (0.45kg)Dimensions: 2.09 x 2.09 x 7.38 in.Power requirement: 28VDCLighting power: 5VTemperature: -20°C to +55°CApprovals: TSO'd, RTCA DO-160B, RTCA DO-178A, TSO C112
- Stock: Warehouse
- Manufacturer Part #: 071-01507-6703
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
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