Just wanted to put this out there as the topic of real time data streaming for SAR purposes as well as aircraft operation management. Is this the thing all airlines should be legislated to implement in light of the recent disappearances? Costs are also identified.
First Air the only airline in the world with black box data streaming - North - CBC News
"The data streaming is automatically triggered when the AFIRS detects a predefined abnormal event, and can also be turned on by the flight crew or by ground personnel."