| Displacement | 1,860 tons full load |
| Dimensions | 58.48 x 11.86 x 4.21 meters (192 x 39 x 14 feet) |
| Propulsion | 2 diesels, 2 shafts, 4,860 bhp, 13.5 knots |
| Crew | 44 Former oilfield tug, now configured as a submarine rescue ship. Ex Mar Rojo (A102). |
| Number Name Year Homeport Notes | A20 Neptuno 1975/88 Cartagena |