UK MoD orders two solar-powered pseudo-satellites

Airbus Defence and Space has won an order from the UK MoD to manufacture and operate two solar-powered Zephyr 8 high-altitude pseudo-satellites (HAPS).

Flying at some 65,000ft, the ultra-lightweight Zephyr 8 is uniquely capable of providing persistent surveillance over land or sea, and hosting communications links, over the same area for months at a time without landing.

The precise purposes for which the UK MoD will use its Zephyrs have not been disclosed.

Zephyr flies slowly and above weather systems, loitering over a selected area under the close guidance of a ground controller to perform its mission.

viewee_twoee_preloadedThe earlier Zephyr 7 high-altitude pseudo-satellite holds the world record for 14 days continuous flight set in 2010 – with the aircraft charging its batteries from sunlight during the day and maintaining its high altitude at night.

The latest generation Zephyr 8 has a wingspan of 25 metres, is 30% lighter and can carry 50% more batteries than its predecessor – the 22.5wingspan Zephyr 7.

This also enables the Zephyr 8 to carry heavier payloads for its surveillance and communications roles.

Zephyr 8 HAPS is designed to fly continuously for more than a month before landing, to be refurbished and flown again.

As well as for military purposes, Zephyrs high-altitude pseudo-satellites could be used for humanitarian missions, precision farming, environmental and security monitoring, and to provide internet coverage to regions of poor or zero connectivity.

The first Zephyr 8 is under construction at Airbus Defence and Space’s Farnborough, UK, facility and is due to fly in mid-2017.

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Brian Hartigan

Managing Editor Contact Publishing Pty Ltd PO Box 3091 Minnamurra NSW 2533 AUSTRALIA

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