RockFleet Assured: Reliable Positioning for Southeast Asia’s Busiest Shipping Routes
- Dec 24, 2025
- 3 min read
Updated: May 12

In busy maritime areas like Southeast Asia, ships cannot always fully rely on satellite navigation signals. As more vessels operate in the same waters and ships depend more on technology to navigate, problems with positioning signals are happening more often and the risks are higher. Crowded shipping lanes, nearby coastlines, and complex geography make it harder to notice when navigation signals are being disrupted.
Across major shipping routes in Southeast Asia, incidents of GNSS (Global Navigation Satellite System) jamming and spoofing are also on the rise. Driven by geopolitical tensions, criminal activity, and congestion in the radio spectrum, these disruptions can impact vessel safety, regulatory compliance, and day‑to‑day maritime operations. This challenge is why assured positioning maritime solutions are becoming essential for operators navigating high‑density maritime corridors.
What Happens When Ship Navigation Goes Wrong?
When navigation systems go wrong and cannot be fully trusted, the impact is felt immediately. For shipowners and fleet managers, unreliable GNSS data can create serious operational challenges. This situation can lead to:
Incorrect vessel position, making navigation less safe
Greater uncertainty on the bridge, especially in busy or restricted waters
Higher safety risks for crew and cargo
Potential regulatory and insurance concerns
Reduced confidence in fleet tracking and reporting data
GNSS signals are naturally weak, which makes them vulnerable to disruption, whether accidental or intentional. When this happens, navigation systems may still appear to function normally, even though the position shown is no longer accurate.
In high‑traffic maritime environments, even small positioning errors can be dangerous. A vessel may drift closer to shallow waters, move outside a safe lane, or approach other ships too closely. Over time, these small inaccuracies can escalate into serious safety incidents and operational disruptions.
This is why many operators are now looking beyond GNSS alone. Backup positioning systems are becoming essential systems that can verify navigation data, detect anomalies early, and alert crews before a situation escalates.
RockFleet Assured: An Assured Positioning Solution

To reduce these growing risks, maritime operators across Southeast Asia are increasingly adopting Assured Positioning (A‑PNT) solutions. Unlike traditional navigation systems that rely solely on GNSS, A‑PNT solutions continuously verify positioning data and provide clear indications when something is wrong.
To support this need, CLS, together with its subsidiary Ground Control, has introduced RockFleet Assured. This solution is designed to help vessels continue operating safely even when GNSS signals are degraded, disrupted, or unreliable.
By adding an extra layer of positioning assurance, RockFleet Assured helps reduce uncertainty on the bridge and supports safer decision‑making in busy maritime environments.
How RockFleet Assured Helps and Supports Safer Navigation
RockFleet Assured supports safer navigation by providing a reliable ship positioning system using Iridium PNT. Instead of relying on GNSS alone, the system continuously compares GNSS data with Iridium signals to check whether the vessel’s position can be trusted.
If something unusual is detected, such as signal interference, jamming, or spoofing, the system can identify the issue early and alert operators. This gives crews valuable time to assess the situation and act before it becomes a safety risk.
Key benefits include:
Reliable backup positioning when GNSS signals are disrupted
Early detection of jamming or spoofing, with real‑time alerts
Clear bridge display that shows GNSS status alongside the assured position
Custom reports and geofencing to support better operational control
Marine‑grade hardware, built for harsh environments, with optional backup battery
Easy integration with existing systems through NMEA 2000 and secure APIs
RockFleet Assured: Complete Fleet Visibility Through Cloud‑Based Tracking
RockFleet Assured is fully integrated with Cloudloop Tracking, giving maritime operators complete visibility over their fleet operations. This cloud‑based platform allows both onboard crews and shore teams to access trusted positioning data in real time, even in challenging operating conditions.
With this integration, operators benefit from:
Real‑time fleet visibility, enabling better awareness of vessel movement
Continuous system monitoring, ensuring devices and data remain reliable
Secure data sharing via webhooks, MQTT, and REST APIs for seamless integration with existing systems
As GNSS disruptions continue to increase in the region, positioning resilience is no longer optional. By combining RockFleet Assured with cloud‑based tracking, crews at sea and teams on shore gain clearer visibility, better operational control, and more efficient operations across Southeast Asia’s busiest maritime corridors. Contact our team to discuss your operational needs.



