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1. Helicopter with passengers wearing AU9-HT departs platform.
2. Helicopter suffers malfunction.
3. Helicopter ditches and passengers escape, AU9-HT worn by each passenger auto-activates
transmitting 100mW 121.5MHz homing signal. 4. In bound search and rescue aircraft and vessels quickly lock onto 121.5MHz homing signals and locate passengers. Tracking range to AU9-HT from SAR aircraft at altitude in excess of 30 miles and
2.5 to 3+ miles to a SAR boat at sea level. |