Echo-class submarine Ships Echo II class — significant dates

| _ | Shipyard | Laid_down | Launched | Commissioned | Fleet | Status_ |
|---|---|---|---|---|---|---|
| K-74 | SEVMASH, Severodvinsk | July 23, 1963 | September 30, 1964 | July 30, 1965 | Northern | Decommissioned 1992 for scrapping |
| K-22 | SEVMASH, Severodvinsk | October 14, 1963 | November 29, 1964 | August 7, 1965 | Northern | Decommissioned 1995 for scrapping |
| K-90 K-111 | SEVMASH, Severodvinsk | February 29, 1964 | April 17, 1965 | September 25, 1965 | Northern | Decommissioned 1989 for scrapping |
| K-31 K=431 | Leninskiy Komsomol Shipyard, Komsomolsk-na-Amure | January 11, 1964 | September 8, 1964 | September 30, 1965 | Pacific | Decommissioned 1987 for scrapping |
| K-116 | SEVMASH, Severodvinsk | June 8, 1964 | June 19, 1965 | October 29, 1965 | Pacific | Decommissioned 1985 for scrapping |
| K-57 K-557 | Leninskiy Komsomol Shipyard, Komsomolsk-na-Amure | October 19, 1963 | September 26, 1964 | October 31, 1965 | Pacific | Decommissioned 1992 for scrapping |