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Overview of the Cospas-Sarsat System
Cospas-Sarsat

Cospas-Sarsat is a satellite system designed to supply alert and location information to assist search and rescue operations.

It uses satellites and ground installations to detect and locate signals from emergency locator transmitters at a frequency of 406 Megahertz (MHz) or 121.5 MHz.

The purpose of this system is to supply worldwide support to all organizations in charge of air, sea or ground SAR operations.

 

Cospas-Sarsat system

The basic configuration of the Cospas-Sarsat system features:

  • Emergency Locator Transmitters, which transmit signals in case of emergency;
  • Instruments on board geostationary and low-orbiting satellites detecting signals transmitted by the ELTs;
  • Local User Terminals (LUT), which receive and process signals transmitted via the satellite down-link to generate distress alerts;
  • Mission Control Centers (MCC) which receive alerts from LUTs and send them to a Rescue Coordination Center (RCC), either to a SAR contact point or to an MCC.


Coding information

It is crucial that 406 MHz distress Emergency Locator Transmitters (ELT) be registered in recognized Emergency Locator Transmitter registration databases which will be accessible to search and rescue authorities at all times. The information contained in these databases concerning the Emergency Locator Transmitter, its owner, and the aircraft on which the Emergency Locator Transmitter is mounted, is vital for the effective use of Search and Rescue resources. Consequently, the proper registration of a Emergency Locator Transmitter could make the difference between success and failure of a search and rescue mission.

The final step in coding 406 MHz Emergency Locator Transmitters is registering the Emergency Locator Transmitter with the appropriate national authorities.
In accordance with IMO and ICAO requirements national authorities should provide help for making this data available to Search and Rescue (SAR) services on a 24-hr basis. The extremely important step of registering your Emergency Locator Transmitter is required to enable the proper SAR response if the Emergency Locator Transmitter is activated.


Download the coding information form enabling us to code your Emergency Locator Transmitter :

> Coding information.pdf

406 MHz  


 

 

 

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