Name | John McDonnell | Category | Special service ships - Research ships | Call sign | NJMD | Flag | United States | Year of built | 1991 | Place of built | United States | Length, m | 57.91 | Width, m | 13.71 | Draught, m | 3.99 | Deadweight, t | 857 | Gross tonnage | 1,767 |
| Shipbuilder | Halter Marine Moss Point, Mississippi | Main engine type | GM EMD 12-645E6 | Main engine power, h.p. | 2,500 | Speed, kts | 12.7 | Owner | Military Sealift Command, USA | Operator | Military Sealift Command, USA | Status | Laid up |
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