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
- Manufacturer Part #: DK-140
Aircraft Fitment Finder
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 only to customer-remorse returns and customer-initiated cancellations. If a problem is our fault (our cancellation, unavailability, wrong item, confirmed defect, or shipping damage) your refund is 100% with no fees.
- Return shipping: paid by buyer on customer-remorse returns; we pay return shipping when the problem is our fault.
- 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
We source products from manufacturers, authorized distributors, and established aviation suppliers as applicable. We are an independent reseller; we do not claim direct dealer or authorized-representative status for any brand. Documentation, source, and warranty eligibility vary by product and are confirmed 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.
