ECA Group’s ELT EXTERNAL ANTENNA allows the transmission of emergency signals on three frequencies:
121.5 MHz, 243 MHz and 406 MHz. They are supplied by our valued and experienced partner: COBHAM Aerospace Communications, which adds a significant value to our comprehensive Emergency Locator Transmitter (ELT) offer.

The ELT external antenna is mandatory for both automatic fixed and automatic portable Emergency Locator Transmitters (ELTs). It transmits distress signals to the Cospas-Sarsat satellite system. Cospas-Sarsat is the international organization for search and rescue applications, which uses satellites for distress and rescue operations. The signal allows the precise localization of the aircraft for the rescue teams. The antennas are therefore an essential part of the international satellite system.

The external antenna is mounted outside, on the primary structure of the A/C, very close to the Emergency Locator Transmitter ELT. The purpose of this installation, close to the transmitter, is to maximize the probability of correct radiation in case of activation.

These COTS external antennas, selected by ECA Group, are mandatory in the Cospas-Sarsat approval process. They are in compliance with the Cospas-Sarsat specifications in terms of radiation pattern performances. They use a single 50 ohms BNC connector and radiate the three distress frequencies 121.5 MHz, 243 MHz, 406 MHz simultaneously.

 

FEATURES

  • Designed to meet Original Equipment Manufacturer (OEM) requirements for external antenna installation
  • High-speed variant available
  • Connected to all automatic Emergency Locator Transmitters (ELTs)
  • Lighting protection available

CUSTOMERS

  • Airlines
  • Commercial aircraft Manufacturers

STANDARDS

  • Radiation pattern in accordance with ED-62A/DO-204A
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