The KT 74 Mode S Transponder with ADS-B functionality provides compliance with the ADS-B mandate.* It is designed as a slide-in replacement for an existing KT 76 and KT 78 transponders. The KT 74 broadcasts on 1090 MHz while also receiving ADS-B In using UAT to provide weather and traffic information.
*When coupled with approved GPS source, STC and install kit required.
- Simple push button operation
- Cost effective Mode S Transponder with ADS-B Out
- Low power consumption
- Built-in stopwatch and timer functions
- Altitude monitoring
- Built-in altitude repeater instead of a second altitude encoder
- TIS-A Traffic output
Product Codes | |
|---|---|
| Mfr Part No: | 89000007-000002 |
| SCHEDULE B CODE: | 8526.10.0070 |
| STC: | STC |
Weight: 3 lb (1.35 kg)Dimensions: 1.7 x 6.3 x 10.7 in (43 x 160 x 272 mm)Operating Temperature: -25°C to 70°COperating Voltage: 11 VDC – 33 VDCCurrent Consumption: 14 volts: 0.22A (idle), 0.45A (active)Transmitter Power: 240 W (nominal) at the connectorCertification: Class 1 Mode S Level 2 els TSO C112D, C166B and ETSO C112C, C166B DO-160G, DO-181E, DO-260B Class B1S, DO-178B Level B, DO-254 Level C
- Stock: Warehouse
- Manufacturer Part #: 89000007-000002
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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.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
