REGENT Craft
Developing and manufacturing all-electric seaglider vessels for fast, safe coastal transportation.
Website: https://www.regentcraft.com
Cover Block
PUBLIC
| Name | REGENT Craft |
| Tagline | Developing and manufacturing all-electric seaglider vessels for fast, safe coastal transportation. |
| Headquarters | North Kingstown, US |
| Founded | 2020 |
| Stage | Series A |
| Business Model | Hardware + Software |
| Industry | Defense / Govtech |
| Technology | Hardware |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding Label | $100M+ (total disclosed ~$100,000,000) |
Links
PUBLIC
- Website: https://www.regentcraft.com/
- LinkedIn: https://www.linkedin.com/company/regentcraft
- Defense Division: https://defense.regentcraft.com/
- Y Combinator Profile: https://www.ycombinator.com/companies/regent
PUBLIC REGENT Craft is developing a new category of electric coastal transportation through its all-electric seaglider vessels, a hardware bet that has attracted over $100 million in capital and a multi-billion dollar order book by targeting a regulatory wedge between maritime and aviation rules [Y Combinator]. Founded in 2020 by MIT-educated aerospace engineers Billy Thalheimer and Michael Klinker, both formerly of Aurora Flight Sciences, the company is building wing-in-ground-effect craft designed to operate just above the water's surface [Y Combinator, TechCrunch]. The core product, the Viceroy seaglider, is intended to service routes up to 180 miles at 180 mph using existing battery technology and dock infrastructure, aiming to offer airplane-like speeds at boat-like operating costs [REGENT]. The business model is that of an Original Equipment Manufacturer (OEM), selling vehicles to commercial operators like airlines and ferry companies, while a parallel defense arm is already under contract with the U.S. Marine Corps [REGENT Defense, Y Combinator]. With a disclosed $60 million Series A led by the NEOM Investment Fund and strategic backing from a consortium including Founders Fund, Lockheed Martin, and several major airlines, the company is capitalizing its ambitious manufacturing plans [Crunchbase, Seedtable]. The next 12-18 months are critical for de-risking the hardware, as the company progresses from recent sea trials of its first crewed prototype toward the planned 2026 opening of a 255,000-square-foot manufacturing facility in Rhode Island [REGENT, WorkBoat].
Data Accuracy: GREEN, Confirmed by company statements, investor profiles, and multiple press reports.
Taxonomy Snapshot
| Axis | Value |
|---|---|
| Stage | Series A |
| Business Model | Hardware + Software |
| Industry / Vertical | Defense / Govtech |
| Technology Type | Hardware |
| Geography | North America |
| Growth Profile | Venture Scale |
| Founding Team | Co-Founders (2) |
| Funding | $100M+ (total disclosed ~$100,000,000) |
Company Overview
PUBLIC
REGENT Craft was founded in 2020 by MIT-educated aerospace engineers Billy Thalheimer and Michael Klinker, both alumni of Boeing subsidiary Aurora Flight Sciences [Y Combinator]. The company is headquartered in North Kingstown, Rhode Island, and was federally registered in July 2021 [HigherGov]. Its founding premise was to apply wing-in-ground-effect (WIG) physics to create a new category of electric coastal transport, aiming to sidestep the lengthy certification pathways of traditional aviation by operating as a maritime vessel.
Key corporate milestones have followed a rapid, capital-intensive hardware development path. The company emerged from Y Combinator's Winter 2021 batch [Y Combinator]. A significant Series A round of $60 million was announced in January 2022, led by the NEOM Investment Fund [Crunchbase], [Seedtable]. By March 2025, REGENT had completed the first on-water tests of its first full-scale, crewed seaglider prototype [Hawaii Community Development Authority, 2025-03-06]. A full-scale prototype was spotted conducting further sea trials in Narragansett Bay in September 2025 [Wikipedia].
The company's strategic direction is underscored by a dual-track commercialization strategy. It has secured an ongoing contract with the U.S. Marine Corps Warfighting Lab, which expanded with an estimated $10 million agreement for a second phase in March 2025 [REGENT, 2025-03-26]. Concurrently, it is building a 255,000-square-foot manufacturing facility in North Kingstown, expected to be operational by 2026, to produce its 12-passenger Viceroy seaglider [REGENT], [WorkBoat].
Data Accuracy: GREEN -- Core founding, funding, and milestone facts are confirmed by Y Combinator, Crunchbase, and company announcements.
Product and Technology
MIXED
REGENT Craft’s core product is an all-electric seaglider, a vehicle designed to operate in the wing-in-ground effect just above the water's surface. The company describes it as combining the speed of an airplane with the operational convenience and infrastructure of a boat [REGENT]. The technical approach involves three distinct operational regimes: hull-borne movement like a conventional boat, foil-borne travel on hydrofoils, and full wing-in-ground effect flight [NAVAIR OSBP]. This multi-modal design is central to the company’s regulatory strategy, as it intends to certify its initial vehicles through maritime authorities like the U.S. Coast Guard rather than pursuing full FAA aircraft certification, a pathway that could significantly accelerate time-to-market [Y Combinator].
The company is developing a family of vehicles for commercial and defense applications. The lead commercial product is the 12-passenger Viceroy seaglider, which began sea trials in Narragansett Bay in March 2025 [Hawaii Community Development Authority, 2025-03-06] [Wikipedia]. REGENT states the Viceroy will service routes up to 180 miles at 180 mph using current battery technology, extending to 400 miles with next-generation batteries, and will utilize existing dock infrastructure [REGENT]. For defense, the product line includes smaller unmanned systems, like a 50-pound payload drone, and larger crewed vehicles, such as one with a 3,500-pound payload, developed under contract with the U.S. Marine Corps [REGENT Defense]. The Marine Corps has practiced rescue missions with a Viceroy prototype [AINonline, 2025-11-17].
Manufacturing and scaling are tangible next steps. The company is building a 255,000-square-foot production facility in North Kingstown, Rhode Island, slated to be operational by 2026 [REGENT] [WorkBoat]. This facility will handle component manufacturing, final assembly, and pre-delivery testing for the Viceroy [REGENT]. A 2026 test campaign is planned to include both the Viceroy and the smaller Squire drone [CB Insights]. The technology stack (inferred from job postings) likely involves advanced composites, electric propulsion systems, hydrofoil and flight control software, and autonomous navigation systems.
Data Accuracy: GREEN -- Product specifications and development milestones are confirmed by company materials, press coverage of sea trials, and defense contract announcements.
Market Research
PUBLIC
The market for coastal mobility sits at the intersection of three stressed systems: regional aviation, ferry transport, and military logistics, each facing escalating pressure to decarbonize and reduce costs. REGENT's seaglider proposition attempts to carve a new category between these established markets, leveraging a regulatory wedge to potentially accelerate entry.
Third-party sizing for the specific wing-in-ground-effect (WIG) vehicle market is sparse, but the company's target routes are defined by existing traffic volumes. Analysts can triangulate the serviceable addressable market by examining the short-haul aviation and ferry corridors REGENT cites, such as Honolulu to Maui or Boston to Nantucket. The global ferry market alone was valued at approximately $15.6 billion in 2022 and is projected to grow, driven by tourism and the need for efficient island connectivity [Allied Market Research]. The regional aircraft market, which includes turboprops and small jets on routes under 500 miles, represents a multi-billion dollar annual revenue stream for operators [CAPA]. REGENT's stated $9 billion order book, if realized, would represent a significant share of this combined SAM, though the conversion rate from letters of intent to firm deliveries remains untested.
Demand drivers are multi-pronged and well-documented. The push for decarbonization in transportation is a primary tailwind, with maritime and aviation sectors under increasing regulatory and investor pressure to adopt zero-emission solutions. Electrification of short-haul routes is a logical first step, given current battery energy density limits. Concurrently, infrastructure constraints at congested coastal airports and the high capital cost of new ferry construction create openings for a faster, dock-based alternative. Defense logistics present a parallel driver, with the U.S. Department of Defense explicitly prioritizing agile, resilient, and fuel-efficient platforms for contested environments, as evidenced by REGENT's contract with the U.S. Marine Corps Warfighting Lab [REGENT, 2025-03-26].
Adjacent and substitute markets highlight both the opportunity and the competitive landscape. High-speed ferries and regional turboprop aircraft are the direct incumbents on REGENT's target routes. Electric vertical takeoff and landing (eVTOL) aircraft target similar urban and regional trips but face a longer and more costly certification pathway through aviation authorities. Traditional boat-building and aerospace supply chains are adjacent markets REGENT must navigate to secure components and manufacturing expertise. The company's strategy to certify under maritime rules, rather than as a full aircraft, is a deliberate attempt to sidestep the most crowded and expensive airspace of advanced air mobility.
Regulatory and macro forces cut both ways. Maritime certification via bodies like the U.S. Coast Guard and classification societies is perceived as a faster, lower-cost path than FAA aircraft certification, a critical wedge for time-to-market. However, the novel nature of a crewed, wing-in-ground-effect vehicle operating at 180 mph may still encounter uncharted regulatory hurdles. Macro forces include rising fuel costs, which improve the economic case for electric alternatives, and heightened geopolitical tensions in coastal regions, which increase defense spending on asymmetric logistics. Supply chain fragility for advanced batteries and aerospace-grade composites remains a persistent macro risk.
| Metric | Value |
|---|---|
| Global Ferry Market (2022) | 15.6 $B |
| REGENT Order Book (Cited) | 9 $B |
| U.S. Marine Corps Phase 2 (2025) | 10 $M |
The cited figures illustrate the scale of the incumbent market REGENT aims to disrupt and the early, non-dilutive validation from a defense customer. The $9 billion order book is a forward-looking indicator of market interest, though its composition and contractual firmness are not public.
Data Accuracy: YELLOW -- Market sizing relies on analogous third-party reports for ferry and regional aviation; REGENT's order book is company-sourced but corroborated by press [Providence Journal, July 2024]. Defense contract value is from a company announcement.
Competitive Landscape
MIXED, REGENT’s competitive position is defined by its attempt to carve a new category between conventional ferries, regional aircraft, and other maritime mobility concepts, with a primary focus on wing-in-ground-effect (WIG) technology and a maritime certification pathway.
| Company | Positioning | Stage / Funding | Notable Differentiator | Source |
|---|---|---|---|---|
| REGENT Craft | All-electric seaglider OEM for coastal passenger and cargo transport. | Series A, >$100M raised [Y Combinator]. | Maritime certification pathway, dual commercial/defense focus, $9B+ order book [REGENT], [Providence Journal, July 2024]. | [REGENT], [Y Combinator] |
The competitive map for coastal mobility is fragmented across several segments. In the incumbent ferry and short-haul aviation space, REGENT faces established operators like Boston Harbor Cruises or regional airlines, which compete on cost and existing infrastructure but not on speed or emissions profile. The more direct challengers are other companies developing electric or hybrid-electric maritime vessels, such as Candela with its electric hydrofoil ferries, and other WIG craft developers like Sea Cheetah. Adjacent substitutes include high-speed rail and conventional aircraft, which dominate longer routes but are constrained by fixed infrastructure or higher operating costs.
REGENT’s defensible edge today appears to rest on three pillars: its strategic investor base, its regulatory approach, and its early traction with defense contracts. The backing from airlines (Japan Airlines, Hawaiian Airlines, Mesa Air Group) and defense giant Lockheed Martin provides not just capital but potential routes and customer relationships [Y Combinator]. The decision to pursue certification as a maritime vessel through the U.S. Coast Guard, rather than as a full aircraft with the FAA, could significantly accelerate its path to commercial operation [NAVAIR OSBP]. Finally, the ongoing contract with the U.S. Marine Corps provides non-dilutive funding, real-world testing, and a beachhead in the defense logistics market [Y Combinator], [REGENT, March 2025]. The durability of these edges is mixed; the investor relationships are perishable if route partnerships fail to materialize, while the regulatory lead could be eroded if competitors successfully navigate the same pathway.
The company is most exposed in two key areas. First, it lacks a direct channel to end consumers, relying entirely on sales to commercial and defense operators. This makes its success contingent on the operational and economic viability of its seagliders from the operator's perspective, a risk not faced by vertically integrated mobility services. Second, while its order book is a significant marketing asset, the $9 billion figure represents letters of intent or conditional pre-orders, not binding purchase agreements [REGENT], [Providence Journal, July 2024]. A competitor with a simpler, lower-cost vessel that reaches market first could siphon away this tentative demand.
The most plausible 18-month scenario hinges on the 2026 test campaign for its Viceroy and Squire models [CB Insights]. If REGENT successfully demonstrates safe, repeatable operations and secures its first maritime type certification, it would solidify its first-mover advantage in the WIG category, likely making it the winner in attracting firm purchase orders from its airline backers. The loser in that scenario would be competing concepts that remain in earlier prototype stages without a clear regulatory path. Conversely, if technical or certification delays push the timeline beyond 2026, the winner would be adjacent electric ferry builders that can deploy simpler, certified vessels on the same coastal routes REGENT targets.
Data Accuracy: YELLOW, REGENT’s positioning and differentiation are well-documented, but detailed, verified data on direct competitors like Sea Cheetah is limited to a name only.
Opportunity
PUBLIC The prize for REGENT Craft is the creation of a new, high-speed coastal transportation category, potentially unlocking a global market for short-haul maritime travel that has been constrained by the speed of ferries and the cost of aircraft.
The headline opportunity is to become the dominant Original Equipment Manufacturer (OEM) for a new class of electric wing-in-ground-effect (WIG) vehicles, establishing the technical and regulatory standard for seagliders. This outcome is reachable because the company is pursuing a dual-track commercial and defense strategy that provides both early revenue validation and a path to certification. The U.S. Marine Corps contract for developing military vehicles and practicing missions like contested logistics and medevac provides a non-dilutive funding source and a rigorous proving ground for the technology [Providence Journal, July 2025]. Simultaneously, the reported $9 billion order book from airlines and ferry operators suggests a commercial market already exists for the promised performance of 180-mile routes at 180 mph [Providence Journal, July 2024]. By certifying its initial vehicles under maritime rules with the U.S. Coast Guard rather than the FAA, REGENT aims to accelerate its path to market with its first passenger model, the Viceroy [NAVAIR OSBP].
Growth scenarios, each named The company's path to scale hinges on executing its manufacturing plan and converting its substantial order book into delivered vehicles. The following table outlines plausible expansion scenarios.
| Scenario | What happens | Catalyst | Why it's plausible |
|---|---|---|---|
| Commercial Fleet Rollout | REGENT becomes the primary supplier for coastal transit networks in regions like Hawaii and the Mediterranean, replacing aging ferry fleets and short-hop flights. | The 255,000 sqft Rhode Island manufacturing facility becomes operational in 2026, enabling serial production of the 12-passenger Viceroy seaglider [REGENT]. | Strategic investments and pre-orders from major regional carriers like Japan Airlines, Hawaiian Airlines, and ferry operators provide a built-in customer base for the first production runs [Y Combinator]. |
| Defense Platform Expansion | The company evolves from a vehicle supplier into a systems integrator for the U.S. Department of Defense, providing autonomous logistics and surveillance platforms. | Successful completion of the expanded $10 million second-phase contract with the U.S. Marine Corps Warfighting Lab for various mission sets [REGENT, March 2025]. | The defense contract explicitly includes developing a line of military vehicles, indicating a move beyond a single prototype toward a family of products [Providence Journal, July 2025]. |
What compounding looks like REGENT's potential flywheel is powered by operational data and regulatory precedent. Each seaglider delivered, whether for commercial transit or defense logistics, generates real-world performance data on battery life, maintenance cycles, and operational reliability in varied sea states. This dataset becomes a proprietary asset that informs iterative design improvements and software optimizations for autonomy and efficiency. Furthermore, by successfully certifying and operating its first commercial model under maritime regulations, REGENT would establish a critical precedent. This regulatory pathway could become a de facto standard for future WIG craft, creating a significant barrier to entry for followers who would need to navigate the same complex approval process from scratch. Early signs of this compounding are visible in the progression from uncrewed prototype tests to crewed sea trials of the Viceroy in 2025 [Hawaii Community Development Authority, March 2025].
The size of the win A credible comparable for the commercial aviation side of the business is the regional turboprop and seaplane market. While a direct public peer does not exist, the scale of the opportunity can be inferred from the company's own disclosed metrics. The reported $9 billion order book, representing over 600 vehicles, provides a concrete, if forward-looking, measure of demand [REGENT]. If REGENT successfully delivers against even a fraction of this backlog at an estimated average selling price, it would represent a multi-billion dollar revenue opportunity over the next decade. For context, a successful outcome could see the company valued as a specialty aerospace OEM with a recurring service and maintenance stream, a model that has supported significant enterprise value in adjacent sectors. This scenario is not a forecast, but illustrates the magnitude of the prize if the Commercial Fleet Rollout scenario plays out.
Data Accuracy: GREEN -- Key opportunity metrics (order book, defense contract, manufacturing timeline) are confirmed by multiple independent sources including company statements, local news, and government records.
Sources
PUBLIC
[Y Combinator] REGENT | https://www.ycombinator.com/companies/regent
[REGENT] REGENT | The Future of Maritime Mobility | https://www.regentcraft.com/
[REGENT Defense] Products | REGENT Defense | https://defense.regentcraft.com/products
[Crunchbase] Regent - Recent News & Activity | https://www.crunchbase.com/organization/regent/signals_and_news/timeline
[Seedtable] REGENT Raises $60M Series A to Define New Era of Sustainable Transportation | https://www.regentcraft.com/news/regent-raises-60m-series-a-to-define-new-era-of-sustainable-transportation
[TechCrunch, October 2023] Electric seaglider startup Regent takes flight with $60M in new funding | https://techcrunch.com/2023/10/06/electric-seaglider-startup-regent-takes-flight-with-60m-in-new-funding/
[HigherGov] REGENT CRAFT INC | https://www.highergov.com/awardee/regent-craft-inc-12779367/
[Hawaii Community Development Authority, March 2025] REGENT Completes First On-Water Tests of Full-Scale Crewed Seaglider | https://hcda.hawaii.gov/regent-completes-first-on-water-tests-of-full-scale-crewed-seaglider/
[Wikipedia] REGENT Craft | https://en.wikipedia.org/wiki/REGENT_Craft
[REGENT, March 2025] REGENT Announces Expanded Contract with U.S. Marine Corps | https://www.regentcraft.com/news/regent-announces-expanded-contract-with-us-marine-corps
[WorkBoat] REGENT to Build 255,000 sqft Manufacturing Facility in Rhode Island | https://www.workboat.com/news/regent-to-build-255000-sqft-manufacturing-facility-in-rhode-island/
[NAVAIR OSBP] Wing-in-Ground Effect Craft | https://www.navair.navy.mil/osbp/node/9766
[AINonline, November 2025] U.S. Marine Corps Practices Rescue Missions with Regent Seaglider | https://www.ainonline.com/aviation-news/defense/2025-11-17/us-marine-corps-practices-rescue-missions-regent-seaglider
[CB Insights] REGENT Craft 2026 Test Campaign | https://www.cbinsights.com/research/reports/regent-craft-2026-test-campaign/
[Providence Journal, July 2024] Electric Seaglider Maker REGENT Reports $9 Billion Order Book | https://www.providencejournal.com/story/business/2024/07/31/electric-seaglider-maker-regent-reports-9-billion-order-book/75623410007/
[Providence Journal, July 2025] REGENT Developing Military Vehicles Under Marine Corps Contract | https://www.providencejournal.com/story/business/2025/07/29/regent-developing-military-vehicles-under-marine-corps-contract/76890120007/
Articles about REGENT Craft
- REGENT Craft's Seaglider Puts a 180-Mile Route on a Maritime Certificate — The MIT-founded startup has a $9B order book and a Marine Corps contract, betting its wing-in-ground-effect craft can bypass FAA rules.