Thanks AKSAR. I’m 100% with you on carrying a PLB or a SEND.

As a non-aviator, I don’t own any handheld radios that can transmit on air band; and I don’t know of any ham handhelds that can. If I lived in Alaska I might pony up for one. If I were carrying a larger ham transceiver (I have an Icom IC-705, which is quite backpack-able) I’d likely be able to call for help without regard to whether an aircraft was overhead.