REGENT Viceroy

Short description: Electric wing-in-ground-effect watercraft

Regent Viceroy seaglider model at Dubai Airshow 2023

The REGENT Viceroy "seaglider" is a proposed electric-powered wing-in-ground-effect vehicle under development by REGENT Craft Inc. of Rhode Island, (REGENT is capitalized because it is an acronym, standing for "Regional Electric Ground Effect Nautical Transport"). 12 passengers will be carried on flights of up to 180 miles (290 km) over coastal waters, with retractable hydrofoils used during the take-off run. Customer deliveries are expected to commence in 2026 to 2027.[1] A 1/4 scale model was successfully demonstrated in 2022 in Narragansett Bay,[2] and a full-scale, manned prototype was spotted conducting sea trials there during the week of September 15, 2025 as testing continues[3].

Announced customers include New Zealand's Ocean Flyer, Brittany Ferries[4] in Europe and US carriers Mesa Airlines, Mokulele Airlines and Southern Airways Express.[5] A feasibility study for use in the Scottish islands is also planned.[6]

## Regulation question

It is unclear whether regulation in United States waters will fall entirely to the US Coast Guard, or whether the Federal Aviation Administration would also be involved – which would require more arduous and expensive certification.[5]

## Specification

Data from REGENT[7]

General characteristics

* Crew: 2
* Capacity: 12 passengers or 3,500 pounds (1,600 kg) cargo
* Length: 57.5 ft (17.5 m)
* Wingspan: 65 ft (20 m)
* Height: 15.5 ft (4.7 m)
* Max takeoff weight: 15,400 lb (6,985 kg)

Performance

* Maximum speed: 180 mph (290 km/h, 160 kn)
* Range: 180 mi (290 km, 160 nmi)

## References

1. ↑ Musa, Sela (2024-10-09). "Regent enters next phase of seaglider prototype development" (in en-US). https://zagdaily.com/zag-air/regent-enters-next-phase-of-seaglider-prototype-development/.
2. ↑ "REGENT Completes World’s First All-Electric Seaglider Flight Unlocking a New Era of Maritime Mobility". 15 September 2022. https://www.regentcraft.com/news/regent-completes-worlds-first-all-electric-seaglider-flight-unlocking-a-new-era-of-maritime-mobility.
3. ↑ Transportation of Tomorrow – How the Regent Viceroy Could Replace Ferry Transport. Flexjet Learning Center, 7 October 2025
4. ↑ "Llandudno to Liverpool sea gliders planned by county council". 6 October 2023. https://www.bbc.co.uk/news/uk-wales-67027979.
5. ↑ 5.0 5.1 Jon Hemmerdinger (18 July 2023). "But is it an aircraft? FAA undecided on critical question as Regent seeks ‘seaglider’ guidance". https://www.flightglobal.com/airframers/but-is-it-an-aircraft-faa-undecided-on-critical-question-as-regent-seeks-seaglider-guidance/154119.article.
6. ↑ "Project hopes to use seagliders for coastal travel". www.bbc.com. 18 September 2025. https://www.bbc.com/news/articles/c39rzy91wp1o.
7. ↑ "Viceroy Seaglider". https://www.regentcraft.com/seagliders/viceroy.

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