ccomplished.) GULFSTREAM - II (G-1159), S/N 151, REG N909JE, W/O 20985 INSTALLED AN ARTEX 406 MEGAHERTZ EMERGENCY LOCATOR TRANSMITTER (ELT) SYSTEM (ISO C126), IAW ARTEX C406-N MHZ EMERGENCY LOCATOR TRANSMITTER OPERATION, INSTALLATION AND MAINTENANCE MANUAL, DOCUMENT NO. 570-5060, REV B, AND THE FOLLOWIN