Airbus Soiar-powered Plane Achieves 18 Day Flight Test
Test marks significant progress for fixed wing High Altitude Platform Systems
The Airbus Zephyr soiar-powered plane has completed a successful 2021 test flight campaign in the United States. The final Airbus solar-powered High Altitude Platform System (HAPS) flight touched down on 13th September in Arizona, USA, ending the most ambitious and successful Zephyr flight campaign to date.
The campaign consisted of six flights in total, four low level test flights and two stratospheric flights. The stratospheric flights flew for around 18 days each, totalling more than 36 days of stratospheric flight in the campaign. This adds a further 887 flight hours to the 2,435 stratospheric flight hours for Zephyr to date, marks significant progress for fixed wing HAPS and is a step towards making the stratosphere an operational reality for its customers.
The solar power is provided by high efficiency, lightweight, and flexible inverted metamorphic (IMM) multi-junction epitaxial lift-off (ELO) GaAs solar cell sheets manufactured by MicroLink Devices. The latest generation of MicroLink solar sheet products has powers exceeding 1.5 kW/kg.
The flight campaign was to demonstrate how Zephyr could be used for future operations, flying outside of restricted airspace and over airspace shared with commercial air traffic. Carrying an Optical Advanced Earth Observation system for Zephyr (OPAZ) payload, Zephyr proved its operational value to provide instant, persistent, and improved situational awareness.
“Working with Airbus and the Zephyr team during the 2021 flight campaign, significant progress has been made towards demonstrating HAPS as a capability. This summer's activities represent an important step towards operationalising the stratosphere” said James Gavin, Future Capability Group Head at Defence Equipment & Support, the procurement arm of the UK Ministry of Defence.
“Defence investment in cutting edge technology is key to the development of world-leading military capabilities. Zephyr is an important programme within UK Strategic Command and the recent successful flight has required many innovative technical solutions. This represents a significant milestone for Zephyr which is informing the development of new concepts and ways of enabling military operations, particularly in the context of Multi-Domain Integration.” Said Major General Rob Anderton-Brown, director capability and MDI Change Programme at Strategic Command.
“Credible and proven ultra-persistence, stratospheric agility, and payload interoperability underscore why Zephyr is the leader in its sector. It is a sustainable, solar powered, ISR and network extending solution that can provide vital future connectivity and earth observation to where it is needed.” said Jana Rosenmann, Head of Unmanned Aerial Systems at Airbus.
With its ability to remain in the stratosphere for months at a time, Zephyr will bring new see, sense and connect capabilities to both commercial and military customers. Zephyr will provide the potential to revolutionise disaster management, including monitoring the spread of wildfires or oil spills. It provides persistent surveillance, tracing the world's changing environmental landscape and will be able to provide communications to the most unconnected parts of the world.