Destroyer escort Comparison with contemporary frigates Comparison with contemporary frigates

| Name_ | Date_ | Nation | Displacement | Speed | Number_ | Notes_ |
|---|---|---|---|---|---|---|
| Alvand-class frigate | 1968 | Iran | 1,110 tons | 40 knots | 4 |  |
| Knox-class | 1969 | US | 3,011 tons | 27 knots | 46 |  |
| Chikugo-class | 1971 | Japan | 1,470 tons | 25 knots | 11 |  |