Future of Aviation Pingers
Transponders, unlike pingers, remain idle until “interrogated” by either a diver with a handheld device or by a shipboard unit. When the transponder is interrogated it transmits range and bearing data. The diver or shipboard unit simply follows (ranges) the signal emitted by the transponder to locate it.
Pingers are now in use for applications such including speedboat racers who put them in their pockets in case of a fatal crash, said Justin Manley, director of business development for Teledyne Benthos. “Extended battery life on today’s pingers (up to 90 days) is basically ready for prime time,” Manley said. “It’s not a technology problem.”