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.
Don't have an account? Register for an account here.
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
Extended operation: Minimum 90 days continuous operation meeting search and rescue regulations
Extreme depth capability: Operates at depths up to 20,000 ft (6096 m) with pressure resistance up to 8700 psi
High detectability range: Detectable from 2000 to 4000 yards, enhancing underwater search efficiency
Water switch actuation: Automatically activates upon immersion in fresh or salt water
FAA/EASA approved: Complies with TSO/ETSO-C121b for airworthiness and reliability
Long battery storage life: 7-year battery life reduces maintenance frequency and costs
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)
Don't have an account? Register for an account here.
Product information provided "as is", and Boeing may add, change, discontinue or remove product information at any time. Product photos may not be exact match to product delivered. Seeterms & conditions.
