The Seaeye shuttle drum TMS 10 comprises a side entry garage configured to accommodate the size of vehicle installed. The detachable top section contains a hydraulically driven winch drum with a slipring, level wind, sheave assembly and tether counter. The drum assembly is installed in two guides underneath and attached to the level wind, when the drum rotates so does the level wind which draws the drum back and forth over the fixed sheave assembly laying the cable evenly on the drum.

The hydraulic power unit (HPU) operates on demand to provide pressure and flow to the two hydraulic drive motors, one fitted to the main drum and the other to the sheave. The HPU is driven by the same Seaeye thruster motor as the ROV, offering commonality of parts.

A hydraulic latch mechanism holds the ROV securely in the garage during launch and recovery. These automatically retract whenever tether is paid in or out to prevent cable damage. The latches are sprung loaded allowing the ROV to re-enter the TMS and be captured even in the event of TMS system failure.

The stainless steel frame is fully adjustable with the cage height, guides, latch positions and bump stop readily repositioned to suit varying ROV types or tooling. Height adjustment is in 50mm increments. If required the frame can be collapsed to minimise transport volume, transportation is further facilitated by the base's integral forklift pockets.

The mechanism section is enclosed by equipment guards that can be hinged up or down without the use of tools to facilitate easy maintenance.

The control electronics are contained in a one atmosphere, hard anodised, pressure housing and all connectors are Seaeye Metal Shell type.