To determine whether the phone was in “airplane mode” or was powered off, investigators in the NTSB laboratory in Washington have been examining the phone’s operating system, which contains more than 400,000 files of meta-data.
Analysis of the phone records does not indicate that any calls, texts, or data usage occurred during the time the engineer was operating the train. Amtrak’s records confirm that the engineer did not access the train’s Wi-Fi system while he was operating the locomotive.
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