Norwegian car carrier operator Höegh Autoliners has signed a five-year anti-jamming contract covering 38 vessels, strengthening the fleet’s resilience against growing risks to satellite-based navigation and communications.
The agreement is aimed at protecting the company’s vessels from GNSS jamming and spoofing, which can interfere with or manipulate satellite-navigation signals used by ships for positioning, navigation and other operational functions.
The maritime industry has faced increasing incidents of satellite-navigation interference in several regions. Jamming can prevent navigation receivers from obtaining reliable positioning information, while spoofing can provide false location data and potentially mislead onboard systems.
For a global pure car and truck carrier such as Höegh Autoliners, reliable navigation is particularly important because its vessels operate on international trade routes and regularly call at ports across different regions.
Under the five-year arrangement, the covered vessels will receive access to anti-jamming technology designed to improve the reliability of navigation signals in areas affected by interference. Fleetwide deployment can also provide the operator with a more consistent approach to navigation resilience across its ships.
The move reflects a wider shift among shipping companies toward strengthening cybersecurity and navigational resilience. GNSS interference is no longer viewed solely as a technical issue, as disruptions can affect voyage planning, vessel positioning and the safe operation of ships.
The risk has become particularly relevant in areas experiencing geopolitical tensions, where satellite-navigation interference has been reported more frequently. Commercial vessels operating through or near such regions may encounter degraded or unreliable GNSS signals.
Anti-jamming systems can help vessels maintain more dependable positioning information by reducing the impact of deliberate interference. However, shipping operators continue to rely on multiple navigation methods and established bridge procedures to maintain safe operations when satellite signals become unreliable.
The five-year commitment also indicates that Höegh Autoliners views GNSS resilience as a long-term fleet requirement rather than a short-term response to individual incidents.
With 38 ships covered by the agreement, the initiative represents a significant investment in operational resilience across the company’s fleet. It could also help standardise navigation-protection capabilities as the operator continues to manage an increasingly complex global operating environment.
For the wider car-carrier sector, the agreement highlights how maritime operators are adapting to emerging risks beyond traditional navigation hazards. Alongside weather, congestion and geopolitical disruptions, satellite interference is becoming an additional operational consideration for international shipping.
Höegh Autoliners’ decision to secure a multi-year anti-jamming contract therefore underlines the growing importance of resilient navigation systems in commercial shipping and the need for vessel operators to prepare for increasingly sophisticated forms of electronic interference.