Falcon DR as equipped for world class tunnel investigation solution. Fitted with Inertial Navigation System, Doppler Velocity Log, Didson multibeam imaging sonar, Scaning profiling sonar, Scaning imaging sonar, Digiquartz precision depth sensor, 2 ea auxhillary Pan, Tilt, Zoom cameras, 2 ea Auxillary Hallogen Lamps and added bouyancy modules. On the day this image was taken there was probably no more heavily equiped investigation class ROV in the world.