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REGENT (YC W21) — All-electric seagliders for fast, affordable regional transportation

REGENT is building a new mode of transportation that will redefine regional mobility by 2026. Their first product, the seaglider, is an all-electric, hydrofoiling flying-boat that operates within a wingspan of the water's surface.

REGENT is a Y Combinator company in the Winter 2021 batch. Its directory entry describes it as: All-electric seagliders for fast, affordable regional transportation. The founders listed are Billy Thalheimer (Founder), Michael Klinker (Founder) (Y Combinator directory entry, March 18, 2021).

6 more companies from YC Winter 2021 ↓

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REGENT

New accelerator entry · 2021-03-18 · the record

Winter 2021
batch
40
people
Early
stage
United States of America
region
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What the record says

BatchWinter 2021
Announced2021-03-18
StageEarly
StatusActive
Team size40
IndustryIndustrials
Sub-industryIndustrials -> Aviation and Space
SectorsClimate, Electric Vehicles, Aerospace, Maritime
RegionsUnited States of America, America / Canada
BasedNorth Kingstown, RI, USA
HiringNo
Sitehttp://regentcraft.com

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Also in YC Winter 2021

Same batch, Industrials first.

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In their words

REGENT is building a new mode of transportation that will redefine regional mobility by 2026. Their first product, the seaglider, is an all-electric, hydrofoiling flying-boat that operates within a wingspan of the water's surface. By flying low on a cushion of air, seagliders unlock the ability to fly twice as far as an electric aircraft, while being regulated by maritime authorities enabling market entry for a fraction of the cost. REGENT has de-risked seaglider technology with a ¼-scale flying demonstration vehicle. By this summer, REGENT will fly humans on the 15,000 lb (7000kg) first full-scale prototype seaglider, which will be the largest electric-flying machine in history. By late 2026, REGENT’s customers - airlines and ferry companies – will begin commercial seaglider service on the 12-seat initial product. A 100 passenger version, already with firm orders, will follow several years later. In just four years, REGENT has accumulated >$10B in pre-orders (including firm deposits) from airlines and ferry companies around the world. Currently a team of 100, REGENT is led by MIT-trained, ex-Boeing engineers Billy Thalheimer and Mike Klinker. REGENT has raised over $100M to date from the likes of Founders Fund, Japan Airlines, Hawaiian Airlines and Lockheed Martin, and is on contract with the US Marine Corps.

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What the Full Report on REGENT covers

  1. The Short Answer

  2. Which Company This Is

  3. What They Do, And How The Money Works

  4. Who Runs It, And How To Reach Them

  5. The Money: Funding, Valuation, Runway

  6. Who Pays Them, And Who They Are Up Against

  7. Warning Bells

  8. Sources

    1 cited source found

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REGENT: Accepted into Y Combinator Winter 2021
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Permanent URL: https://mentionfox.com/funding/yc-regent
Last updated 2026-10-20
Primary record: Y Combinator directory entry
REGENT (YC W21) — All-electric seagliders for fast, affordable regional transportation. MentionFox, 2026-10-20. https://mentionfox.com/funding/yc-regent