Master Sgt. Sal Provenzano, Air Force Rescue Co-Ordination Center in Anchorage, Alaska

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File Size 16.1 MB / Running Time 17:39

Bose® A20™ Aviation Headset

What exactly takes place when an airplane goes missing, and how much difference does it make if your ELT is 121.5 or 406 MHz? Sgt. Sal Provenzano explains why he'd like to see 406 ELTs in every aircraft — and also talks about some supplemental options for summoning help.

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