Jeju Air 2216 FDR and CVR Losing Power
By GMF on Saturday, Jan 11th 2025 17:33Z
Being formally the Recording product leader at Sundstrand Data Control/AlliedSignal/Honeywell I can inform all that both the CVR and FDR on this aircraft are powered from two separate 115VAC xfer busses on the aircraft. Neither are on the Emergency (battery backed-up) Bus. Also, this aircraft was delivered prior to the RIPS (Recorder Independent Power System) mandate for the CVR and hence both a/c losing power at the same time tells me that very likely both engines stopped running and the crew most likely did not activate the APU.