RV Knorr
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| History | |
|---|---|
 (US)
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| Launched: | 1968 |
| In service: | 1970 |
| Out of service: | 2016 |
| Renamed: | Rio Tecolutla |
| Homeport: | Woods Hole, Massachusetts |
| Fate: | Transferred to Mexican Navy, 14 March 2016 |
| General characteristics | |
| Type: | Research vessel |
| Tonnage: | 2,518 GT |
| Displacement: | 2,685 long tons |
| Length: | 279 ft (85 m) |
| Beam: | 46 ft (14 m) |
| Draught: | 16 ft 6 in (5.03 m) |
| Installed power: |
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| Propulsion: |
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| Speed: | 11 knots (20 km/h; 13 mph) |
| Range: | 12,000 nautical miles (22,000 km) |
| Endurance: | 60 days |
| Complement: |
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| Sensors and processing systems: |
Side-scan sonar |
R/V Knorr was a research vessel formerly owned by the U.S. Navy and operated by the Woods Hole Oceanographic Institution for the U.S. research community in coordination with and as a part of the University-National Oceanographic Laboratory System (UNOLS) fleet. On March 14, 2016, Knorr was officially transferred to the Mexican Navy and renamed Rio Tecolutla. She was replaced at Woods Hole by the RV Neil Armstrong.Knorr is best known as the ship that supported researchers on 1 September 1985 as they discovered the wreck of the RMS Titanic. R/V Knorr (AGOR-15) has traveled more than a million miles—the rough equivalent of two round trips to the Moon or forty trips around the Earth. Her sister ship is the R/V Melville.
R/V Knorr was named in honor of Ernest R. Knorr, a distinguished hydrographic engineer and cartographer who was appointed Chief Engineer Cartographer of the U.S. Navy Hydrographic office in 1860. Chief Engineer Knorr was one of the leaders of the Navy’s first systematic charting and surveying effort from 1860 to 1885. She was launched in 1968 at the Defoe Shipbuilding Company in Bay City, Michigan, Knorr was delivered to Woods Hole in 1970. For her early life, she had Voith-Schneider propellers.
In 1985, she was part of the joint French-American Team that discovered the wreck of the RMS Titanic, and was the ship to actually discover the site. As opposed to the traditional method of sonar, this was accomplished by towing the ROV Argo over the seafloor to search for debris. She was completely overhauled between 1989 and 1991 adding 34 feet (10 m) of length to her midsection [1].
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