The train event recorders of the passenger train were recovered from the wreckage on 8 June in an apparently undamaged condition.
22.
To establish how far that second train moved, Martin said he asked the railroad for data from the engine's event recorder.
23.
Although rules on making event recorders crash-worthy are expected soon, full implementation could take several years, according to the safety board.
24.
The safety board finally prevailed, and starting in 1995 trains that go faster than 30 mph were required to carry event recorders.
25.
The train event recorder revealed that the driver of the train passed a signal displaying a double yellow ( caution ) aspect.
26.
In each of them there are two independent panels to display the drive parameters, diagnostics and event recorder with a speedometer function.
27.
Investigators, beside interviewing the operators, also examined the locomotive's event recorder, which is similar to the " black box " in airplanes.
28.
As part of the mainline qualifications, RM 31 has been fitted with an events recorder, train radio, and ditch lights at either end.
29.
By the evening of 9 February 2016, Federal Transport Minister Alexander Dobrindt reported that two of the trains'three train event recorders had been recovered.
30.
But Sharkey, who analyzed event recorder data collected at the crossing gate, said he did not think the warning lights and gate activated simultaneously.
