The DK-140 underwater locating beacon can operate to a depth of 20,000 feet and is authorize by the FAA. Duration of battery life in-use is six years while its operating life has a 30-day minimum range; it boasts a field-replaceable battery.
- Improved low voltage technology
- Six year, non-hazardous, single cell battery with a solid cathode chemistry that provides a less active and more stable chemistry
- Durable construction and highly reliable design
- Meets or exceeds all the FAA requirements without requiring modifications
Product Codes | |
|---|---|
| Mfr Part No: | DK-140 |
| SCHEDULE B CODE: | 8506.50.0000 |
Hazmat charges may apply
Weight: less than 4.9 oz (139 g), including batteryDimensions: 1.3 x 2.97 in (3.3 x 7.54 cm)Operation Frequency: 37.5 kHz ±1 kHzOperation Depth: surface to 20,000 feet (6,096 m)Pulse Length: 9 milli-seconds, minimumPulse Repeat Rate: 0.9 pulse/second, minimumUseful Life: 6 yearsOperating Life: 30 days, minimumAcoustic Output, Initial: 1,060 dynes/cm2 rms pressure @ 1 meter (160.5 dB)Acoustic Output (after 30 days): 700 dynes/cm2 rms pressure @ 1 meter (157.0 dB)Operating Temperature: 28°F to 100°F (-2.2°C to 37.8°C)Storage Temperature: 67°F to 185°F (-55°C to 85°C)Actuation: fresh or salt waterRadiation Pattern: rated output over 80% of sphereMaterial: 7075-T6 aluminum, chromate (clear) finishPower Source: Lithium Battery, single cell DK120/DK140: User replaceable DK100/DK130: Factory replaceable
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: DK-140
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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.
