Skyeton

Skyeton was founded in 2006 in Ukraine as a manufacturer of light aircraft and dual-use aviation systems, well before the country’s drone industry became a wartime fixture. The company is led by CEO Roman Knyazhenko, who has steered it from a small civil-aviation outfit into one of the busier reconnaissance-UAV suppliers feeding the Ukrainian armed forces. Its workshops produce the Raybird family of fixed-wing systems, marketed civilian-side as the ACS-3 platform and fielded militarily as the ACS-3M.

The Raybird-3 sits at the centre of the product line. It is a long-endurance fixed-wing aircraft built for intelligence, surveillance, target acquisition, and reconnaissance work — class I under NATO classification — designed to stay aloft for more than 28 hours per sortie. The control link extends to roughly 240 km, with an offline operating range of about 2,500 km and a service ceiling above 5 km, putting it in a category between hand-launched tactical drones and the larger MALE platforms. The airframe is small enough to be launched from a catapult and recovered without a runway, which matters in the dispersed, mobile rear areas of the Ukrainian front.

Around the base Raybird, Skyeton has rolled out variants that track the operational pressures of the war. A satellite-communications version was delivered to Ukrainian Defence Forces in 2025, freeing the aircraft from the line-of-sight tether that radio-frequency jamming makes increasingly fragile. A hydrogen-hybrid variant entered combat use in December 2025, extending endurance beyond what conventional fuel allows. A radiation-monitoring payload version was supplied to Ukraine’s State Emergency Service, a reminder that the platform’s customer list now reaches beyond the military into civil-protection work around contaminated infrastructure.

By Skyeton’s own count, Raybirds have logged more than 350,000 combat flight hours over Ukraine — a figure that, if anywhere near accurate, places the type among the most heavily flown reconnaissance drones of the war. The company’s positioning emphasises resilience to electronic warfare, which has become the differentiating axis in Ukrainian airspace as Russian jamming and spoofing have improved. Operators describe using Raybirds for artillery correction, deep ISR over occupied territory, and battle-damage assessment, often handing target data to strike assets rather than carrying munitions itself.

Skyeton has expanded internationally as the platform’s combat record has accumulated. The firm has opened production and partnership arrangements outside Ukraine — including reported assembly footprints in NATO countries — to insulate output from Russian missile strikes on Ukrainian factories and to court export customers wary of relying on a single wartime supply line. The company remains privately held, with no published headcount or revenue figures.

The Raybird’s place in the field is less about novelty than about hours flown. In a conflict where most reconnaissance drones survive minutes, a system racking up six-figure combat hours becomes a reference point for what an ISR UAV needs to be — long-endurance, EW-resistant, and producible at scale.