UAM

When GNSS Can’t Be Trusted: Securing Urban Air Mobility (UAM) Operations in Smart Cities

Urban Air Mobility Is Arriving: But Navigation Remains the Weak Link

Urban Air Mobility (UAM) is quickly becoming operational reality.
From autonomous air taxis to cargo drones and heavy-payload eVTOL platforms, urban airspace is set to host a new generation of autonomous systems.

But while aircraft design and autonomy are advancing rapidly, navigation remains a critical vulnerability.

Most UAM platforms still rely on standard GNSS (GPS) as their primary positioning source. In dense urban environments, this dependence creates a single point of failure, one that operators and regulators can no longer ignore.

Why Standard GNSS Struggles in Urban UAM Operations

Urban airspace introduces navigation challenges that traditional GNSS was never designed to handle.

Urban Canyons and Multipath Effects

High-rise buildings, glass surfaces, and dense infrastructure reflect and block satellite signals. This leads to multipath interference, degraded accuracy, and intermittent loss of positioning, even without intentional interference.

GNSS Interference and Safety-of-Life Risk

GNSS interference is no longer limited to military environments.
Low-cost jammers and unintentional interference have been increasingly reported near cities, airports, and critical infrastructure.

For UAM platforms operating over people and property, even brief GNSS degradation can cause:

  1. Mission aborts
  2. Loss of navigation confidence
  3. Emergency landings in populated areas

Regulatory Expectations Are Rising

Unlike recreational drones, UAM systems operate:

  • Beyond Visual Line of Sight (BVLOS)

  • In shared or controlled airspace

  • Under strict safety-of-life requirements

Regulators such as EASA and FAA increasingly expect navigation resilience and redundancy as part of certification pathways.

 

infiniDome & Honeywell joint solution: When GNSS Is No Longer Available

For scenarios where GNSS becomes unreliable or fully unavailable, infiniDome’s Resilient Navigation System provides an additional safety layer.

Developed in strategic partnership with Honeywell, RNS combines:

  • GNSS anti-jamming technology

  • Honeywell’s compact inertial navigation system (INS)

  • Honeywell’s Radar-based velocity sensing

Through advanced sensor fusion, the system enables:

  • GNSS-Denied Navigation Continuity
    Aircraft maintain accurate position, velocity, and attitude long enough to complete missions or return safely.

  • Support for BVLOS and Autonomous Urban Operations
    This redundancy directly supports regulatory approval and scalable deployment.

Operational outcome:
Loss of GNSS no longer equals loss of mission.

Why Navigation Resilience Determines UAM Scalability

As UAM moves from pilot programs to fleet-level deployment, navigation failures become systemic risks rather than isolated events.

Resilient navigation enables:

  • Safer operations over urban populations

  • Predictable autonomous behavior

  • Regulatory confidence and certification readiness

  • Commercial scalability in smart cities

In urban airspace, navigation cannot be assumed, it must be engineered.

Building UAM Platforms That Can Be Trusted

Urban Air Mobility will only succeed if its navigation systems are as resilient as the environments they operate in.

infiniDome supports UAM developers with layered navigation architectures designed for real-world urban conditions, where GNSS reliability can no longer be taken for granted.

Why infiniDome?

The future of urban transportation depends on trust. Passengers, city planners, and regulators need to know that UAMs are immune to navigation disruption.

infiniDome’s technology is:

  • Field-Proven: Trusted by defense and enterprise partners worldwide.

  • Mission-Critical: Specifically engineered for high-risk, high-value urban operations.

  • Regulatory-Ready: Providing the data and redundancy required for the next generation of aviation certification.

Don’t let your UAM be grounded by a weak signal. Secure your mission with infiniDome.

 

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