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Eyra Acoustic
Array 5.1

Eight-hydrophone arrays with embedded PARse processing for autonomous platforms and custom installations.

Eight hydrophones.
Embedded processing.
Mission-fit geometry.

Hear What Others Can’t

Most hydrophone arrays were designed for manned platforms. Eyra arrays are built for autonomous and distributed sensing, with embedded PARse processing running onboard. No operator in the loop. No shore-side dependency. Choose a proven rigid-mount configuration for uncrewed vehicles, or specify a custom geometry built to your mission.

Built for Autonomy. Flexible by Design

Embedded Processing

PARse acoustic signal processing runs onboard, performing beamforming, detection, and angle estimation. Noise goes in. Signal comes out.

Mission-Fit Geometry

Choose a rigid-mount array optimized for uncrewed platforms, or define a custom layout (horizontal line, circular, planar, or custom).

Multi-Array Fusion

Deploy multiple arrays across platforms. Data Fusion software localizes acoustic contacts in geo space using combined detections.

Platform Integration

Works across UUVs, USVs, fixed installations, and mission-specific platforms.

Choose the Configuration

Eyra 5.1 (Rigid-Mount Standard)

Rigidly mounted beneath an uncrewed vehicle to resolve left-right ambiguity through geometry. Designed to operate while the platform holds position. No tow body. No shape estimation required.

Eyra 8.0 (Custom Geometry)

Eight-hydrophone system built to your specifications. You define the configuration and mounting approach. Vatn handles manufacturing, data acquisition, and embedded processing.

The Numbers

Eyra 5.1 (Rigid-Mount)
Eyra 8.0 (Custom)
Hydrophones
8 (5 in-line + 1 triplet element set)
8
Geometry
Fixed rigid-mount geometry
Horizontal line, circular, planar, custom
Linear Aperture
2 meters
Per customer specification
Frequency / Sampling
Detection band: 6 kHz and below (3.6 kHz spacing supported)
Up to 48 kHz sampling per channel
Signal Processing
Embedded PARse (beamforming, detection, angle estimation)
Embedded PARse (beamforming, detection, angle estimation)
Mount Type
Rigid, below-hull
Per customer specification

What Ships With the Array

Eight hydrophones (rigid-mount 5+1 triplet option, or customer-defined configuration)
Embedded PARse acoustic signal processing
Beamforming, detection, and angle estimation onboard
Multi-array data fusion capable
Platform integration support (UUV, USV, fixed, custom)
Data acquisition system included (for custom configurations)

Where It Works

Harbor Defense

Persistent acoustic monitoring of ports and anchorages. Tailor coverage to port geometry and threat profiles.

Underwater Barrier Defense

Distributed arrays across USVs or fixed nodes for persistent area monitoring.

Sentry Operations

Unattended acoustic barrier defense across chokepoints and high-value areas.

Drug Interdiction

Detection of narco-submarines and semi-submersibles across patrol areas.

Experimental Data Collection / Sensor Development

Rapid prototyping and mission-driven array development for unique acoustic requirements.

Environmental Monitoring

Detection and tracking of marine mammals. Underwater noise monitoring for offshore wind and shipping compliance.

Tell Us the Mission.
We’ll Fit the Array.