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An Emergency Locator Transmitter (ELT) is a device that can be manually or automatically activated to transmit a distress signal to a satellite. ELTs that activate automatically use a "G-Switch" (gravity switch) that triggers the ELT when it senses that a crash has occurred. With ELTs, Search and Rescue teams may more easily pin-point the exact location of a downed aircraft. So, section 91.207 of the Federal Aviation Regulations states that no person as well as Part 121 operators and operations governed by Part 135 may operate a U.S. registered civil aircraft unless an approved automatic type emergency locator transmitter is attached to the aircraft. Similar regulations are established by aviation authorities' through-out the world. TSO C-126 prescribes the minimum performance standard that an ELT operating on 406 Megahertz (MHz) must meet as well as determines the requirement for the aircraft owner to register the digital message programmed into the ELT with Cospas/Sarsat. TSO C-126 approved ELTs will also transmit on 121.5 MHz frequency for homing purposes only as the satellite alerting of the 121.5 MHz distress signal has been discontinued and replaced by the 406 MHz distress signal.
The Artex ME406, a single output ELT, utilizes the same RF output and only one coax cable to transmit a 406 MHz emergency signal to the Cospas/Sarsat satellites and a local 121.5 Homing signal. The ELT automatically activates during a crash and transmits a continuous swept tone of 121.5 MHz. During activation, the 406 MHz transmitter sends an encoded 5-watt signal to the Cospas-Sarsat Satellites every 50 seconds for 440 milliseconds to alert Search and Rescue.
The Artex ME406 ACE (Absolute Cost Efficiency), a single output ELT, utilizes the same RF output and only one coax cable, connecting to the new series of Artex single input antennas to transmit 121.5 and 406 MHz emergency signals to the Cospas/Sarsat satellites. The ELT automatically activates during a crash and transmits the standard swept tone on 121.5 MHz. Every 50 seconds, for 440 milliseconds, the 406 MHz transmitter turns on and sends an encoded 5-watt signal to alert Search and Rescue.
Helicopter model available upon request.
As a single-output Emergency Locator Transmitter, the Artex ME406P utilizes the same RF output to transmit 121.5 and 406 MHz emergency signals to the Cospas/Sarsat satellites. The ELT automatically activates during a crash and transmits a continuous swept tone of 121.5 MHz. During activation, the 406 MHz transmitter sends an encoded 5-watt signal every 50 seconds for 440 milliseconds to alert Search and Rescue.
The Artex G406-4 transmits on all 3 emergency frequencies (121.5/243.0 and 406 MHz). The system was designed for use with the general aviation market in mind. The ELT automatically activates during a crash and transmits the standard swept tone on 121.5 and 243.0 MHz. The G406-4 also transmits a 406 MHz encoded digital message to the Cospas/Sarsat satellite system, which allows for rapid identification and reduces Search and Rescue response time.
The SLB406 was developed for use by crew members in the cabin or upon inflation of a life-raft. Engineered for ease of operation, the SLB406 is activated by pushing a large "Activate" button when requested by the aircraft's pilot in addition to the automatic fixed ELT on board.
