{"id":"7b22e908-ee8d-450c-bac3-636bfb403201","companyId":"95e2a6d2-6e9f-4825-8aa1-4d8708197302","modelName":"Otter (and Mariner X)","slug":"maritime-robotics-otter","description":"Maritime Robotics (founded 2005 in Trondheim, Norway by founder and chief executive Vegard Evjen Hovstein) makes the Otter, a small all-electric catamaran survey uncrewed surface vessel for sheltered and coastal waters, and the Mariner X, an offshore long-endurance USV, recorded in the maritime form factor. It raised more than 130 million Norwegian kroner in September 2024 in a round led by the Norwegian state-owned climate investor Nysno alongside Umoe, Holta Invest, and NRP Zero, has commercial customers including OceanX and DEME, and ran an autonomous-swarm demonstration for the US Navy in Trondheim Fjord in April 2026, placing it at commercial maturity as the international new-defense extension of the cohort into Norway, beyond the US Saronic and the UK and Germany Helsing. Its Ukraine deployment is handled with symmetric verification rigor across two threads: a government-confirmed, Denmark-funded transfer of Otter USVs to Ukraine, attested on the record by the head of the Ukrainian Navy's Hydrographic Service, is the stronger thread establishing that Otters are in Ukrainian Navy service, while a separate Maritime Robotics and Teledyne Marine announcement that the Otter is now in use by the Ukrainian Navy is company-reported only with its sole quote from the company's defense vice-president, so the registry records that Otters are in service as government-confirmed but notes the quantity is undisclosed by both company and government and that whether the two threads describe the same hulls is not established. The number of vessels delivered to Ukraine and the value of any transfer are undisclosed everywhere and are not asserted.","formFactor":"maritime","maturityStage":"commercial","lifecycleState":"active","supersededByModelId":null,"specs":{"notes":[{"label":"Verified","value":"Maritime Robotics (founded 2005, Trondheim Norway; founder/CEO Vegard Evjen Hovstein) makes the Otter (electric survey USV) + Mariner X (offshore). NOK >130M raise (Sept 2024, led by Norwegian state-owned Nysno + Umoe/Holta/NRP Zero). Commercial customers OceanX + DEME; an Apr 2026 autonomous-swarm demo for the US Navy in Trondheim Fjord. maturity=commercial. International new-defense extension (Norway), beyond US (Saronic) + UK/Germany (Helsing)."},{"label":"Ukraine deployment (verification posture - load-bearing)","value":"Two threads. GOVERNMENT-CONFIRMED (stronger): a Denmark-funded transfer of Otter USVs to Ukraine, confirmed on the record by Capt. Roman Goncharenko, head of the Ukrainian Navy Hydrographic Service (via ArmyInform, Nov 2023). COMPANY-REPORTED only: the Maritime Robotics + Teledyne Marine 'now in use by the Ukrainian Navy' announcement (Nov 2023; sole quote is the company's VP Defence). So it is government-confirmed THAT Otters are in Ukrainian Navy service, but the QUANTITY is undisclosed by both company and government, and whether the two threads describe the same hulls is not established."},{"label":"Cap-flag","value":"Number of Otter USVs delivered to Ukraine = undisclosed everywhere (do not assert a count). Total contract value of any Ukraine transfer = not disclosed (donation/assistance, not a published contract). Cap-flag aggregator-quoted 'in service' phrasing to the company source."}],"specs":"Otter: small all-electric catamaran survey USV (2.0m, 62 kg dry, 30 kg payload, 4.5 kn, ~20h endurance, zero-emission) for sheltered/coastal/shallow waters. Mariner X: offshore long-endurance USV (9m, ~25-day endurance, >1t payload, diesel + waterjet). Founded 2005, Trondheim Norway (founder/CEO Vegard Evjen Hovstein); Remote Operations Center in Trondheim. Hardware-sale model.","formFactor":"maritime (autonomous SURFACE vessels / USVs; commercial survey + defense)"},"manufacturerSerial":null,"reviewStatus":"reviewed","sources":[{"url":"https://www.maritimerobotics.com/otter","title":"Maritime Robotics Otter (electric catamaran survey USV; 62 kg, 30 kg payload, ~20h)","sourceName":"Maritime Robotics (official)"},{"url":"https://www.nysnoinvest.no/nysno-investerer-i-det-norske-teknologiselskapet-maritime-robotics","title":"Maritime Robotics NOK >130M raise (12 Sept 2024; Nysno-led + Umoe/Holta/NRP Zero)","sourceName":"Nysno"},{"url":"https://armyrecognition.com/news/navy-news/2023/denmark-supplies-otter-unmanned-surface-vehicles-to-ukraine","title":"Denmark-funded Otter USVs to Ukraine; confirmed by Ukrainian Navy Hydrographic Service head (ArmyInform)","sourceName":"Army Recognition"},{"url":"https://www.maritimt.com/maritime-autonomous-drone-swarm-demonstrated-live-for-the-us-navy-in-trondheim","title":"Maritime Robotics autonomous swarm demo for the US Navy (Trondheim Fjord, Apr 2026)","sourceName":"Maritimt.com"}],"aliases":["Maritime Robotics Otter","Mariner X","Otter USV"],"collisionRisk":"low","reviewNote":null,"manufacturerTermForTeleop":null,"createdAt":"2026-06-03T23:01:52.591Z","updatedAt":"2026-06-03T23:01:52.591Z","jsonLd":{"@context":"https://schema.org","@type":"Product","@id":"https://registry.deploy.report/models/maritime-robotics-otter","url":"https://registry.deploy.report/models/maritime-robotics-otter","name":"Otter (and Mariner X)","alternateName":["Maritime Robotics Otter","Mariner X","Otter USV"],"description":"Maritime Robotics (founded 2005 in Trondheim, Norway by founder and chief executive Vegard Evjen Hovstein) makes the Otter, a small all-electric catamaran survey uncrewed surface vessel for sheltered and coastal waters, and the Mariner X, an offshore long-endurance USV, recorded in the maritime form factor. It raised more than 130 million Norwegian kroner in September 2024 in a round led by the Norwegian state-owned climate investor Nysno alongside Umoe, Holta Invest, and NRP Zero, has commercial customers including OceanX and DEME, and ran an autonomous-swarm demonstration for the US Navy in Trondheim Fjord in April 2026, placing it at commercial maturity as the international new-defense extension of the cohort into Norway, beyond the US Saronic and the UK and Germany Helsing. Its Ukraine deployment is handled with symmetric verification rigor across two threads: a government-confirmed, Denmark-funded transfer of Otter USVs to Ukraine, attested on the record by the head of the Ukrainian Navy's Hydrographic Service, is the stronger thread establishing that Otters are in Ukrainian Navy service, while a separate Maritime Robotics and Teledyne Marine announcement that the Otter is now in use by the Ukrainian Navy is company-reported only with its sole quote from the company's defense vice-president, so the registry records that Otters are in service as government-confirmed but notes the quantity is undisclosed by both company and government and that whether the two threads describe the same hulls is not established. The number of vessels delivered to Ukraine and the value of any transfer are undisclosed everywhere and are not asserted.","identifier":"7b22e908-ee8d-450c-bac3-636bfb403201","category":"maritime","publisher":{"@id":"https://deploy.report/#organization"}}}