A601 Monge bātiment d'essais et de mesures (BEM)
| Missions | Knowledge - Anticipation - Prevention - Protection - Intervention - Deterrence |
| Length | 225.6 m |
| Width | 24.8 m |
| Displacement | 21,040 tonnes |
| Propulsion | 2 diesel engines |
| Range | 22,000 nautical miles |
| Speed | 16 knots |
| Armament | 2 machine guns of 12.7 mm |
| Equipment |
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| Crew | 126 sailors and 100 scientists |
