Portable Emergency Locator Transmitter

Roanwell Emergency Beacon

Portable EB
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EBC‑406 AP – Automatic Portable ELT for Fixed-Wing Aircraft

The EBC‑406 AP from Emergency Beacon Corp is a cabin-mounted, automatic portable emergency locator transmitter (ELT) designed specifically for fixed-wing aircraft. Compact, rugged, and self-contained, it transmits distress signals on both 406.028 MHz and 121.5 MHz, ensuring reliable communication with satellite and legacy search-and-rescue systems.

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Why Choose EBC‑406 AP?

Compact, reliable, and built for resilience, the EBC‑406 AP is the ideal ELT for fixed-wing aircraft operators seeking a portable, cabin-mounted solution. With automatic activation, dual-frequency transmission, and robust environmental resistance, it ensures your aircraft is always locatable in critical situations.

Serial number: EBC 406 AP

Physical features:

  • Size (ELT): 2.9" W x 2.5" D x 6.7" H

  • Size (with mounting bracket): 7.8" H x 3.7" D x 3.7" W

  • Total Weight: 2.5 lbs. (including battery, but not antennas and cable)

  • Case Material: Aluminum

  • Finish: Yellow Baked Enamel.

Special features:

  • Encapsulated for complete waterproofing and shock resistance

  • Handhold lanyard

  • Mounting bracket with latch to securely hold ELT in place

  • Self-test feature with audible and visual indication of pass or fail

  • Fire-resistant

  • Easy installation

  • Recessed 3-position toggle switch

  • 2-year parts and labor warranty

Specifications:

  • Operating Frequencies: 406.028 MHz and 121.5 MHz

  • Modulation 406.028 MHz: Biphase L (16KOG1D)

  • Modulation 121.500 MHz: Swept tone 1600 Hz to 300 Hz, 2-4 times/second

  • Output Power on 406.028 MHz: 5W for 24 hours at -20˚C

  • Output Power on 121.500 MHz: 50 mW min for 50 hours at -20˚C

  • Operating Temperature: -20˚C to +55˚C

  • Battery Type: Lithium Manganese Dioxide (GS-46 Battery Pack)

  • Useful Battery Life: 5 years or 1 hour of cumulative use

  • Automatic Activation: Velocity change of 3.5 ft/sec activates ELT

  • Altitude: 50,000 ft

  • Decompression: 8000 ft to 50,000 ft

  • Over Pressure: -15,000 ft

  • Humidity: 95% for 144 hours

  • Shock Performance: 500 Gs on 6 Axis for 4ms, 100 Gs on 6 Axis for 100ms

  • Vibration: Withstands 10 Gs

  • Immersion: Withstands 24 hours in salt water

  • Message Protocols: Aviation User Protocol, Serialized Aviation User Protocol

  • Activation Alerts: LED and buzzer

  • Input Power: No Aircraft Power Required

Additional product specifications, outline drawings and block diagrams and test data are available on request.

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