DSEI 2023: Thales explores airborne MCM sensor 

Thales Peregrine S100 VTOL UAV DSEI 2023
Schiebel S100 VTOL UAV in Royal Navy configuration (as part of project Peregrine) hanging above the Thales booth at DSEI 2023. The SWEEPIR 30 is so compact and light that it could be fitted on the S100.
Thales UK has revealed that it is self-funding research and development of an electro-optical/infrared airborne mine countermeasures (MCM) sensor payload suitable for operations from light helicopters and uncrewed air vehicles (UAVs).
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Leveraging core technology pulled through from  the Avni airborne intelligence, surveillance and reconnaissance (ISR) suite previously developed by Thales Optronic Missiles Electronics in Glasgow for counter-insurgency and anti-poaching operations, the system – given the name SWEEPIR 30 – is being designed for the detection of drifting and floating mines. A prototype system is already in test.

SWEEPIR 30
SWEEPIR 30 prototype fitted on a Bell LongRanger for the R&D campaign. Picture by author.

Although Thales has already made significant investments in the development of maritime autonomous systems and sensors for MCM, it currently lacks an airborne sensor payload in its product portfolio. To fill this gap, the company is looking to repurpose technology from the Avni ISR product line to develop a wide field-of-view system detect floating and near-surface mine threats. 

A SWEEPIR 30 testbed – configured with an array of ten downward-looking uncooled long waveband infrared cameras – is being used to support initial experimentation. Early trials have been flown using a commercial Bell LongRanger helicopter.

Thales is striving to minimise the SWEEPIR 30 form factor, both for the sensor cluster and the backbone processing unit.  Early discussions with UAV house Schiebel have given confidence that the system’s space and weight would enable integration with Schiebel’s widely sold Camcopter S-100 UAV. 

According to Thales, the final airborne MCM product solution is likely to be multi-spectral, with a combination of electro-optical, infrared and LIDAR sensors. LIDAR would offer a capability to detect mines just below the sea surface.

Thales is continuing self-funded development work, with an aspiration to have a ‘minimum viable product’ ready for market by the end of 2024.

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