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Ultralife Powers ELTs
ELT = Emergency Locator Transmitter - Typically carried aboard privately owned aircraft. The device is designed to emit an emergency signal to satellites & SAR personnel in times of distress. - - - - - - - - - With many years of industry experience, the safest technology, and FAA qualified products; Ultralife is a leading supplier of batteries for Search & Rescue applications, including ELTs. An Emergency Locator Transmitter (ELT) is a radio-frequency transmitter that generates a signal to assist in search and rescue (SAR) for missing aircraft. In theory, an ELT is activated when subjected to the forces of a crash impact, or manually by survivors. Nearby aircraft or ground stations will then receive the anonymous emergency signal, broadcast on the standard 121.5 MHz distress frequency, and begin to search for the source. There are hundreds of thousands of such units in service today. Most general aviation aircraft in the U.S. are required to carry an ELT, while most commercial airliners are not. Recently, a newer and more powerful version of satellite ELT has been activated that uses a digital signal encoded with an idenfication number and transmitted on 406.0 MHz. Only encoded signals are processed, removing false alert problems. The new system permits nearly instantaneous detection, and the ability to pinpoint beacons within 2-5 nm. Because each alert is known to be from an ELT, SAR resources can be activated immediately and directed toward the general signal area. With an additional Global positioning system (GPS) feature, digitally transmitting its location, the search radius can be reduced to less than 100 m (300 ft). The international group responsible for monitoring and locating ELTs via satellite has announced a 9-year phase-out of the older ELT program, to be completed in early 2009. Aviators and mariners using the older technologies are being urged to upgrade, although the newer units can cost 2 or 3 times what the older units did (and more with GPS features). Widespread adoption is expected to save over 130 lives per year and millions of dollars of wasted SAR resources. - - - - - - - - - Search & Rescue devices encounter some of the most demanding conditions imaginable. Equipment must work in extreme heat, cold and humidity, and operate instantly – even after long periods of storage. Ultralife’s lithium battery technology is ideal for Search & Rescue and other emergency equipment that require relatively high currents at extreme temperatures. And, since this equipment may only be called upon in emergencies, Ultralife’s lithium battery technology provides a 10-year shelf life for reliable energy when it is needed most. Several of our batteries are approved for use in a variety of beacons. Refer to the Cospas-Sarsat web site (http://www.cospas-sarsat.org/) for details. Applications Advantaged by Ultralife Batteries • Emergency position indicating radio beacons • Emergency locator transmitters • Personal locator beacons • Man overboard recovery systems Ultralife Batteries for Search & Rescue Applications • Ultralife HiRate® Lithium Batteries • Ultralife 9-Volt Lithium Batteries • Ultralife Battery Pack Assembly • Ultralife Custom Battery Designs |
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