Originally Posted by Caygill
And what would the recorders record after a complete electrical failure?
I think that is the point
RR_NDB wants to bring forward :
If the recorders have
their own independent power supply, they will keep recording.
This has already made the object of a recommendation following the Azores glider as the last 20 minutes of data are inexistent :
ICAO, all civil aviation authorities and safety investigation authorities:
• Take into account the circumstances of this particular occurrence in their deliberations on the requirements for independent power supplies for on-board aircraft recordings.