Dukane Seacom® DK120-90 is an underwater acoustic beacon (“pinger”) for locating submerged aircraft wreckage. Activates in fresh or salt water and operates for at least 90 days, emitting detectable signals. Fully compliant with global aviation safety standards.
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Overview
The DK120-90 features a watertight aluminum case designed to withstand pressures at depths up to 20,000 feet (6096 meters). Operating at 37.5 kHz, it is detectable from 2000 to 4000 yards depending on environmental conditions. The internal battery has a 7-year shelf life and ensures a minimum 90-day operational life once activated. It meets FAA/EASA TSO/ETSO-C121b and SAE AS8045A requirements.
Features & Benefits
Specifications
Operating Frequency: 37.5 kHz ± 1 kHz
Operating Life: 90 Days (Minimum)
Battery Life in Beacon: 7 Years
Operating Depth: Surface to 20,000 feet (6096 meters)
Operating Temperature Range: +28°F (-2.2°C) to +100°F (+37.8°C)
Storage Temperature Range: -67°F (-55°C) to 185°F (85°C)
Acoustic Output, Initial: 160.5 dB (1060 dynes/cm² Rms pressure at 1 m)
Acoustic Output After 90 Days: 157.0 dB (700 dynes/cm² Rms pressure at 1 m)
Pulse Length: 9.0 milliseconds Minimum
Pulse Repetition Rate: Not less than 0.9 Pulse/Sec
Actuation: Fresh or salt water
Size: 1.30 in. diameter x 3.92 in. length (less mount)
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DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
