{"id":"56cd09d7-9ce4-4564-9dfb-3170dd062ae9","modelId":"42d3f9e1-09cb-45d5-81d9-a7b5f32e39e3","versionId":null,"locationId":"22aad11e-7eeb-43e7-b2d6-43ae870941ca","operatorId":"e0dd3cde-6bec-4264-b181-71b07068e36c","ownerId":null,"slug":"acua-ocean-pioneer-plymouth-united-kingdom","status":"pilot","firstSeen":"2024-12-01T00:00:00.000Z","statusChangeReason":null,"contractType":null,"pilotOutcome":null,"endedAt":null,"unitsOnSite":null,"tasksPerformed":["autonomous_operation"],"shiftStructure":null,"hoursPerDay":8,"siteType":"urban","operatorConfirmed":null,"humanSupervisionOnsite":null,"locationPrecisionTier":"verified_coordinates","deploymentScale":"small_2_10","siteEnvironment":"outdoor","operatorType":null,"sourceQualityTier":2,"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.marinelink.com/news/acua-ocean-hydrogenpowered-usv-completes-529220","label":"ACUA Ocean Hydrogen-Powered USV Completes 24-Hour Sea Trial","title":"ACUA Ocean Hydrogen-Powered USV Completes 24-Hour Sea Trial","mediaType":"article","sourceName":"MarineLink","publishedAt":"2024-12-01"}],"notes":"ACUA Ocean deployed its first mobile Remote Operations Centre at Plymouth (Turnchapel Wharf) headquarters. Harbour and Sea Acceptance Testing commenced H2 2024. In August 2025, Pioneer completed world's first continuous remote 24-hour offshore operation on zero emissions, sailing 12nm to Eddystone Lighthouse.","keyFacts":[],"reviewNote":null,"exposureHours":null,"deploymentMilesEstimate":null,"exposureBasis":null,"customerSegment":"research","scaleTier":"pilot_lt10","contractValueUsd":null,"contractValueBasis":null,"customerCompanyId":null,"customerExternalName":null,"createdAt":"2026-08-15T21:04:16.470Z","updatedAt":"2026-08-21T17:11:58.402Z","model":{"id":"42d3f9e1-09cb-45d5-81d9-a7b5f32e39e3","companyId":"e0dd3cde-6bec-4264-b181-71b07068e36c","modelName":"Pioneer-class H-USV","slug":"acua-ocean-pioneer","description":"The Pioneer-class H-USV is a 14.2m hydrogen-powered unmanned surface vessel designed for full ocean operations, capable of deploying modular sensor and system payloads up to 6.5 tonnes. It delivers up to 40 days of endurance on hydrogen-electric power and is the first remotely operated vessel certified under the MCA Workboat Code Edition 3 Annex 2.","formFactor":"maritime_surface","industryVertical":"maritime","environment":"surface_water","maturityStage":"pilot","lifecycleState":"active","supersededByModelId":null,"specs":{},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.uncrewed-systems.com/acua-ocean-pioneer-class-h-usv/","title":"ACUA Ocean Pioneer-class H-USV","sourceName":"Uncrewed Systems"},{"url":"https://www.acua-ocean.com/","title":"ACUA Ocean Uncrewed Surface Vessel","sourceName":"ACUA Ocean"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"keyFacts":[{"label":"Product","value":"Pioneer-class H-USV (hydrogen-powered, zero-carbon)"},{"label":"Milestone","value":"World's first 24-hour continuous hydrogen-powered USV operation"},{"label":"Uncrewed ocean monitoring platform","value":"ACUA Ocean describes its Pioneer-class vessels as uncrewed surface vessels for ocean monitoring, data collection, and modular sensor payloads ([ACUA Ocean](https://www.acua-ocean.com/)).","sourceUrl":"https://www.acua-ocean.com/"},{"label":"Workboat Code 3 compliance","value":"ACUA Ocean reports that the Pioneer received compliance under the UK Workboat Code 3 for remote uncrewed vessel operations ([ACUA Ocean](https://www.acua-ocean.com/)).","sourceUrl":"https://www.acua-ocean.com/"}],"createdAt":"2026-07-06T05:57:06.624Z","updatedAt":"2026-09-29T20:51:28.204Z","unitsInFieldClaimed":null,"unitsInFieldVerified":null,"unitsManufacturedClaimed":null,"unitsManufacturedVerified":null,"unitsAsOf":null,"unitsSource":null,"salesModel":null,"priceUndisclosedSince":null,"autonomyClass":null,"autonomyStatement":null,"autonomyStatementSource":null,"demoForensics":null,"exportControlClass":null,"minCommitment":null,"warrantyTerms":null,"serviceModel":null,"productionRateClaimed":null,"productionRateEvidenced":null,"teleopRatioDisclosed":null,"interventionRateDisclosed":null,"company":{"id":"e0dd3cde-6bec-4264-b181-71b07068e36c","name":"ACUA Ocean","slug":"acua-ocean","description":"ACUA Ocean is a Plymouth, UK-based maritime cleantech company developing hydrogen-powered uncrewed surface vessels (H-USVs) for open ocean monitoring and data collection. Founded in 2020 by brothers Neil and Mike Tinmouth, the company's [Pioneer-class H-USV](/models/pioneer-class-h-usv) became the first remotely operated hydrogen-powered vessel certified under the UK Maritime and Coastguard Agency's Workboat Code Edition 3. ACUA Ocean's vessels serve defence, offshore energy, and marine conservation sectors with up to 40 days of endurance on hydrogen-electric power.","status":"private","founded":2020,"hq":"Plymouth, United Kingdom","hqLat":50.3714122,"hqLng":-4.1424451,"hqGeocodedAt":"2026-08-05T14:17:53.279Z","hqAddress":null,"hqPrecision":null,"website":"https://www.ocean.tech/","fundingTotal":"7060000","type":"hardware","roles":["robot_maker","robot_operator"],"reviewStatus":"reviewed","heatIndex":75,"lifecycleState":"active","supersededByCompanyId":null,"sources":[{"url":"https://www.ocean.tech/","title":"ACUA Ocean: USV Solutions for Maritime Defense","sourceName":"ACUA Ocean"},{"url":"https://www.ocean.tech/technology","title":"Modular Unmanned Surface Vessel for Offshore Operations","sourceName":"ACUA Ocean"},{"url":"https://www.ocean.tech/payloads","title":"Maritime Payload Integration for Modular Offshore Systems","sourceName":"ACUA Ocean"}],"keyFacts":[{"label":"Total funding","value":"GBP5.5M (GBP1.5M pre-seed + GBP4M UK government R&D)"},{"label":"Product","value":"Pioneer-class H-USV (hydrogen-powered, zero-carbon)"},{"label":"Milestone","value":"World's first 24-hour continuous hydrogen-powered USV operation"},{"label":"CEO","value":"Neil Tinmouth"},{"label":"COO","value":"Mike Tinmouth"},{"label":"CTO","value":"Oli Mulcahy MBE"},{"label":"CFO","value":"Nicole Kapel"},{"label":"Key investor","value":"StealthPoint (lead), Britbots, Katapult Ocean"},{"label":"Certification","value":"MCA Workboat Code Edition 3 Annex 2 (world-first for hydrogen-powered USV)"},{"label":"Pioneer uncrewed surface vessel","value":"ACUA Ocean describes its Pioneer as a modular uncrewed surface vessel for offshore operations, using a SWATH hull and a central moonpool for system integration ([ACUA Ocean technology](https://www.ocean.tech/technology)).","sourceUrl":"https://www.ocean.tech/technology"},{"label":"Modular payload integration","value":"ACUA Ocean presents payload integration for offshore systems including underwater sensors, towed arrays and remotely operated vehicles ([ACUA Ocean payloads](https://www.ocean.tech/payloads)).","sourceUrl":"https://www.ocean.tech/payloads"}],"aliases":[],"collisionRisk":"low","reviewNote":null,"atsProvider":null,"atsSlug":null,"factoryLocations":null,"manufacturingCapacity":null,"orgType":null,"burnSignal":null,"litigationEvents":null,"insurancePostureDisclosed":null,"unitEconomicsDisclosed":null,"tickerSymbol":null,"stockExchange":null,"secCik":null,"revenueUsd":null,"revenueBasis":null,"revenueAsOf":null,"employeeCount":null,"employeeCountBasis":null,"employeeCountAsOf":null,"marketCapUsd":null,"marketCapAsOf":null,"marketCapSource":null,"createdAt":"2026-07-06T05:53:35.694Z","updatedAt":"2026-09-29T21:38:16.473Z"}},"version":null,"location":{"id":"22aad11e-7eeb-43e7-b2d6-43ae870941ca","name":"Plymouth, United Kingdom","slug":"plymouth-united-kingdom","kind":"city","parentLocationId":null,"region":"Europe","lat":50.3714122,"lng":-4.1424451,"reviewStatus":"reviewed","aliases":["Plymouth","Turnchapel Wharf"],"collisionRisk":"moderate","reviewNote":"Plymouth is a port city on the south coast of Devon, England, with a population of approximately 264,700. It hosts ACUA Ocean's mobile Remote Operations Centre at Turnchapel Wharf, from which the hydrogen-powered Pioneer USV completed the world's first continuous 24-hour remote offshore operation on zero emissions in August 2025, sailing to the Eddystone Lighthouse 12 nautical miles offshore. Sources: https://www.marinelink.com/news/acua-ocean-hydrogenpowered-usv-completes-529220 ; https://www.ocean.tech/about-us","createdAt":"2026-08-15T21:04:14.943Z","updatedAt":"2026-08-17T10:08:14.000Z"},"operator":{"id":"e0dd3cde-6bec-4264-b181-71b07068e36c","name":"ACUA Ocean","slug":"acua-ocean","description":"ACUA Ocean is a Plymouth, UK-based maritime cleantech company developing hydrogen-powered uncrewed surface vessels (H-USVs) for open ocean monitoring and data collection. 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