| Subject | English | Russian |
| comp., MS | operational log | операционный журнал (A log that contains information about operations carried out by a computer in the process of executing a program) |
| mar.law | operational radar log | журнал работы радиолокационной станции |
| nautic. | operational radar log | журнал работы РЛС |
| qual.cont. | operational time log | журнал учёта наработки |
| softw. | operational-log analysis | анализ операционных журналов (An operational log is a log that contains information about operations carried out by a computer in the process of executing a program  computer.org Alex_Odeychuk) |