Aurora Expeditions has installed upgraded AI-assisted ocean-forecasting technology across all three ships in its expedition fleet following an Antarctic trial aboard Douglas Mawson.
The Australian operator has expanded its partnership with climate-technology company CounterCurrent by deploying its Mark 3 Triton sensors aboard Sylvia Earle and Greg Mortimer as well as Douglas Mawson.
The system combines artificial-intelligence forecasting, ship-mounted sensors and live ocean observations to identify potentially more efficient routes through changing currents. It provides recommendations to the bridge team; responsibility for navigation and the final route remains with each ship’s captain and officers.
Technology now aboard Aurora’s entire fleet
Aurora Expeditions operates three purpose-built expedition ships:
- Greg Mortimer
- Sylvia Earle
- Douglas Mawson
CounterCurrent technology was initially trialled aboard Douglas Mawson during the 2025–26 Antarctic season. The next phase extends data collection and forecasting across all three vessels.
Aurora says the upgraded Mark 3 Triton sensors are intended to provide more reliable observations in remote regions, including periods when sunlight or satellite connectivity is unavailable.
The rollout does not make the vessels autonomous. It is a decision-support system designed to give experienced bridge teams additional information about currents, wind, waves and possible routing efficiencies.
Trial covered five Antarctic voyages
The original trial took place aboard Douglas Mawson between December 2025 and March 2026.
Across five Antarctic voyages, CounterCurrent worked with Aurora’s bridge team to test the system in demanding operating conditions. The programme produced 39 route recommendations and gathered more than 5,600 environmental observations during 126 days of operation, according to Aurora’s reported results.
The sensors continued working in temperatures as low as minus 30 degrees Celsius and winds reaching approximately 120 kilometres per hour. The trial therefore tested the equipment in conditions considerably more challenging than those encountered on many conventional cruise routes.
Feedback from the bridge team was also used to refine the recommendations. Factors including sea ice, swell, passenger comfort and the operational requirements of an expedition itinerary cannot be considered solely through the pursuit of the strongest current.
How CounterCurrent’s system works
Ocean currents can increase or reduce the energy required for a ship to maintain its planned progress. A vessel travelling against an unfavourable current may consume more fuel than one able to use a beneficial flow.
CounterCurrent combines observations gathered aboard the ship with artificial-intelligence modelling and other available ocean and satellite information. It then produces vessel-specific forecasts and recommends relatively small route adjustments that may take advantage of favourable currents or avoid less efficient conditions.
CounterCurrent founder Professor Shane Keating has described the concept as “Google Maps for the Sea”. The comparison refers to the system’s use of changing conditions to recommend a route rather than to any form of self-driving ship.
A recommendation must still be assessed against navigational safety, weather, sea ice, voyage timing, passenger comfort, environmental restrictions and the ship’s operational plan.
Early trials indicated 2–5% fuel savings
Aurora says early sea trials indicated fuel savings of more than 2–5% over a 24-hour period. Preliminary modelling suggests possible savings of 5–15% in suitable conditions, depending on the vessel, route and operating speed.
Those two figures should not be treated as equivalent. The 2–5% range comes from early sea-trial indications, while the higher 5–15% range is a modelled potential under appropriate conditions.
Aurora has explicitly described the findings as preliminary and says further testing is required to validate performance over longer periods. The company has not announced a guaranteed fleet-wide reduction in fuel use or emissions.
Actual savings are likely to vary between voyages because ocean conditions, itinerary requirements and the captain’s available routing options are never identical.
Why the system could matter in polar waters
Expedition ships regularly operate in remote areas where observational data can be comparatively limited. Collecting information from the vessels themselves may improve the immediate voyage forecast while also contributing to a broader understanding of regional ocean conditions.
In Antarctica, routing decisions must account for rapidly changing weather, currents, swell and ice. Even where a suggested adjustment appears more fuel-efficient, the bridge team may decide that safety, comfort or the expedition programme requires a different route.
The technology’s intended value is therefore not simply finding the shortest line between two points. It is designed to help identify a practical route that uses observed and forecast currents more effectively without necessarily increasing journey time.
Ships will share observations in the next phase
The expanded trial will explore fleet-wide forecasting. Under that approach, observations collected by one Aurora vessel could improve forecasts and route recommendations for another ship operating in the same wider region.
This could be particularly useful when more than one vessel is sailing across remote waters with sparse conventional observations. Each voyage would add information capable of refining later predictions.
The partnership will also examine more onboard processing, reducing dependence on cloud-based systems. That is relevant in polar areas where continuous high-capacity connectivity cannot always be assumed.
Aurora, CounterCurrent and the Polar Citizen Science Collective are collaborating on the project. Aurora says the observations may help fill data gaps while the operator evaluates whether the technology can make its own voyages more efficient.
Captains retain control of every routing decision
The term “AI navigation” can suggest that a computer is controlling a ship. That is not what Aurora has announced.
CounterCurrent provides forecasts, observations and recommendations to the bridge. The master and bridge officers remain responsible for deciding the vessel’s route and for complying with navigational, safety and environmental requirements.
The system should therefore be viewed as an additional decision-support tool, comparable in principle to other forecasting and voyage-planning information considered by professional mariners.
Its performance will now be examined across three ships, providing a larger set of real-world data than the original Douglas Mawson trial.
Aurora calls the programme a practical trial
Sasha Buch, Aurora Expeditions’ head of sustainability and passenger experience, said the partnership allows the company to explore more efficient operations while contributing practical observations that may assist the wider maritime industry.
The cruise line presents the project as one part of its environmental and citizen-science activity rather than a completed solution to shipping emissions.
The fleet deployment is nevertheless a significant step: each of Aurora’s purpose-built ships can now participate in data collection and testing, allowing the company and CounterCurrent to compare performance across more vessels, routes and conditions.
Frequently asked questions
Which Aurora Expeditions ships have the AI system?
CounterCurrent technology is now deployed aboard Douglas Mawson, Sylvia Earle and Greg Mortimer, covering Aurora’s three-ship purpose-built expedition fleet.
Does artificial intelligence steer the ships?
No. The system provides forecasts and routing recommendations. Captains and bridge teams retain responsibility for navigation and all final decisions.
How much fuel can the system save?
Early sea-trial results indicated savings of more than 2–5% during a 24-hour period. Preliminary modelling suggests 5–15% may be possible in suitable circumstances, but Aurora says further testing is required and has not guaranteed those savings.
Where was the original trial conducted?
The first Aurora trial was conducted aboard Douglas Mawson over five Antarctic voyages between December 2025 and March 2026.
What information do the sensors collect?
The system gathers observations including wind, wave and current data, which are combined with forecasting models to inform possible route adjustments.
Why install the technology on all three ships?
The expanded programme allows Aurora to collect more observations, test performance across different voyages and explore forecasts in which data from one vessel can help another operating in the same region.