cospas
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B406-4
The B406-4 has been modified to interface with Boeing’s Master Caution System in conjunction with the DZUS mounted cockpit remote panel (P/N 453-0161) for the B737 and is furthermore approved for use on all models of the B747, B757, B767 and B777.
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C406-N
The Artex C406-N is a single output emergency locator transmitter (ELT) that contains the latitude/longitude information from the aircraft navigation system. Following long message protocol, the 406 MHz transmitter turns on and transmits an encoded digital message to the Cospas/Sarsat satellite system every 50 seconds for 520 milliseconds. During a crash, the ELT automatically activates and transmits the standard swept tone on 121.5 and 243.0 MHz.
