UK tests robot boat that can fly its own wired drone even in 14ft waves and stay at sea for weeks

• Robot boat launches drone without crew during challenging ocean demonstrations
• Pioneer vessel survives rough seas while supporting airborne surveillance operations
• Tethered SkyRanger drone provides continuous monitoring from unmanned ships

A robotic boat has launched and recovered its own drone off the deck, without a single crew member aboard either vehicle.

British firm ACUA Ocean and American sensor maker Teledyne FLIR Defense completed the demonstration for the UK Ministry of Defence.

The trial paired an uncrewed surface vessel named Pioneer with a small tethered drone known as the SkyRanger R70 aircraft.

Rough-water stability makes flight operations possible

The entire demonstration depended heavily on the Pioneer's ability to hold steady in genuinely rough conditions each time at sea.

In January 2026, ACUA Ocean said the vessel held steady in waves reaching 4.25 meters, or roughly 13.9 feet high.

The company reported a 60% cut in roll motion compared with traditional single-hull monohull...

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