Depends on the model (and how much you pay for it). Honeywell's SSVCR[0] is avai...

Fuxy · on March 25, 2014

That's odd with today's technology we should be able to record hours of voice on to an a usb stick.

Granted that is a lot more fragile then a plane black box but still. There should be a way to record a lot more then 120 minutes.

roc · on March 25, 2014

I suspect the answer is similar to "why don't they stream FDR-data, live, for all flights?".

That being: the airlines feel the cases in which extra measures matter are only a small subset (flights with problems in incredibly remote areas) of a small subset (flights that have any problems at all) and thus not worth the extra cost/complexity/risk to all the other flights.