Description: DK120/90 Recorder Beacon
Tags: Avionics,Emergency Beacons,ULB's
SKU: DK120/90
The DK120/90 will provide a minimum of 90 days of uninterrupted operation once activated, complying with TSO/ETSO-C121b. They have been tested to, meet, and/or exceed all the requirements of FAA / EASA TSO/ETSO-C121b, SAE AS8045A in with additional test for batteries as per TSO/ETSO-C142a. Building on reliability of the DK120, the DK120/90 will assist in location of CVR/FDR devices.
The DK120/90 is a battery operated underwater acoustic pulse generator (beacon/pinger) that is activated when the water switch is immersed in either fresh or salt water. Providing a minimum of 90 days of uninterrupted operation once activated, this beacon meets or exceeds all FAA requirements. This beacon can assist in location of CVR/FDR devices.
TSO: | C121b, C142a |
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Operating Frequency: | 37.5 kHz ± 1 kHz |
Operating Depth: | Surface to 20,000 feet (6096 meters) |
Pulse Length: | 9.0 milliseconds Minimum |
Pulse Repetition Rate: | Not less than 0.9 Pulse/Sec. |
Operating Life: | 90 Days (Minimum) |
Battery Life In Beacon: | 7 Years |
Acoustic Output, Initial: | 1060 dynes/cm Rms. pressure at 1 meter (160.5dB) |
Acoustic Output After 90 Days: | 700 dynes/cm2 Rms. pressure at 1 meter (157.0dB) |
Operating Temperature Range: | +28°F (-2.2°C) to +100°F (+37.8°C) |
Actuation: | Fresh or salt water |
Radiation Pattern: | Rated output over 80 percent of sphere |
Size: | 1.30 inches (3.30 cm) diameter x 3.92 inches (9.95 cm) long (less mount) |
Weight, Beacon: | 6.7 ounces (190 grams) |
Weight, N30A26B Mount: | 6 ounces (170 grams) |
Weight, N30A21A Mount: | 3 ounces (85 grams) |
Storage Temperature Range: | -67°F (-55°C) to 185°F (85°C) |
FAA & EASA Authorized: | TSO-C121b / ETSO-C121b, TSO- C142a / ETSO-C142a |