In addition, the NDR is queried by other authorized users (Federal and non-Federal employers or prospective employers of motor vehicle
operators, Federal Aviation Administration (FAA) for airman medical certification, Federal
Railroad Administration (FRA) and
railroads for locomotive
operators, Coast Guard for merchant mariners and servicemen, air carriers for pilot applicants, and
National Transportation Safety Board (NTSB) and Federal Motor Carrier Safety Administration (FMCSA) in connection with accident investigations).