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Sea surface · Sea surface systems

Saildrone Surveyor

A 20-metre ocean-going autonomous platform for deep-water mapping, maritime sensing and trials of additional naval payloads.

Role & capabilities

  • Deep-ocean seabed mapping
  • Long-duration maritime surveillance
  • Modular naval payload trials
In service / use documentedIn service / use documented
Primary domain
Sea surface
System type
Uncrewed surface vessel
Developer / manufacturer
Saildrone
Origin / production countries
United States
Other names
Surveyor USV
Variants / configurations
Ocean-mapping configuration; Customer naval payload and demonstration configurations
Operators / programme customers
Saildrone — commercial and government missions; United States Navy — RIMPAC 2026 experimentation

Evidence & current status

Operational survey use and experimental naval payload integrations have different maturity. A successful exercise does not establish the fit of every Surveyor.

Surveyor is Saildrone's larger established ocean-going platform. It carries equipment for mapping the seabed and observing activity at sea, with more space and electrical capacity than Voyager. The current manufacturer specification identifies diesel propulsion assisted by a rigid wing, allowing missions that combine survey work and long transits.

The platform has both civilian and defence applications. Its modular architecture can accommodate different customer sensors, so a mapping vessel and a defence demonstration vessel need not have the same equipment. In August 2026 Saildrone reported that a Surveyor completed a naval payload demonstration with Lockheed Martin during RIMPAC, including remotely controlled weapon and electronic sensing trials.

That announcement establishes a specific demonstration, not universal armament across the Surveyor fleet or completion of a fleet-wide weapons programme. The headline endurance is a supplier service-interval figure. The published mapping speed is likewise a survey condition, and should not be treated as the vessel's maximum speed or multiplied by endurance to invent an operational range.

Sourced specifications

Figures apply to the named configuration. Maximum values are not guaranteed operating performance.

SpecificationReported valueContext & source
ConfigurationUncrewed ocean-going survey and sensor platformSupplier-published figure; configuration and operating conditions affect performance. Source ↗
Hull / propulsion80 hp diesel primary; wind auxiliarySupplier-published figure; configuration and operating conditions affect performance. Source ↗
Dimensions20 m length; 13 m wing height; 3.6 m draftSupplier-published figure; configuration and operating conditions affect performance. Source ↗
Displacement / massNot established in the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
Payload3 kW continuous and 6 kW peak payload powerElectrical capacity, not mass. Source ↗
Endurance100 days between service stopsSupplier-published figure; configuration and operating conditions affect performance. Source ↗
RangeNot established in the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
Speed6 knots mapping speedNot stated as maximum speed. Source ↗
Sea state / environmentNot established in the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗
SensorsRadar, EO/IR, AIS and configurable hydrographic/oceanographic payloadsSupplier-published figure; configuration and operating conditions affect performance. Source ↗
Communications / controlSatellite communications with remote mission supportSupplier-published figure; configuration and operating conditions affect performance. Source ↗
Launch / deploymentNot established in the reviewed public sources.Public data gap; no estimate or neighbouring variant value substituted. Source ↗

Documented milestones

  1. Naval payload demonstration announced

    Saildrone reported Surveyor participation in RIMPAC weapons and electronic-sensing trials.

    Read the announcement ↗

Publication history

  • — Added sourced land and maritime coverage with domain-specific evidence and limitations.

Suggest a correction to this entry →

Follow the evidence

Source types identify who makes the claim. Programme milestones and supplier statements should be read in context.

  1. Current Surveyor product specifications (opens in a new tab)Manufacturer / programme
  2. RIMPAC naval payload demonstration, 20 August 2026 (opens in a new tab)Manufacturer / programme

Explore the connections

Manufacturer indexUnited States

Saildrone

Connected land and maritime programmes: Saildrone Voyager, Saildrone Surveyor, Saildrone Spectre.

Reviewed 20 Sept 2026Read
Field guideGlobal

Uncrewed surface vessels & naval drones

Understand surface vessels used for naval observation, survey, mine-countermeasure support and other maritime roles, from small craft to larger experimental ships.

Reviewed 20 Sept 2026Read