Flight Origin Time/Days A/C Type Since Until BTK 04/01/1974 10/31/1974 OVB 04/01/1974 10/31/1974 OVB 04/01/1974 10/31/1974 ОЛК 04/01/1974 10/31/1974 ЯКТ 04/01/1974 10/31/1974 ЯКТ 04/01/1974 10/31/1974