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The Zephyr is a series of high-altitude platform station aircraft produced by Airbus. They were designed originally by QinetiQ, a commercial offshoot of the UK Ministry of Defence. In July 2010, the Zephyr 7 flew for 14 days. In March 2013, the project was sold to Airbus Defence and Space. In the summer of 2022, the Zephyr 8/S flew for 64 days.
A high altitude platform can provide observation or communication services. A high-altitude platform station (HAPS, which can also mean high-altitude pseudo-satellite or high-altitude platform systems), also known as atmospheric satellite, is a long endurance, high altitude aircraft able to offer observation or communication services similarly to artificial satellites.
Pages in category "High-altitude platform stations" ... High-altitude platform station; A. Airbus Zephyr; B.
Craigslist headquarters in the Inner Sunset District of San Francisco prior to 2010. The site serves more than 20 billion [17] page views per month, putting it in 72nd place overall among websites worldwide and 11th place overall among websites in the United States (per Alexa.com on June 28, 2016), with more than 49.4 million unique monthly visitors in the United States alone (per Compete.com ...
To do this the platform would have to fly at about 70,000 feet (21 km) altitude. Aircraft and helicopters could do this, but only with short endurances. Super-high-altitude aerostats were another possibility. Of the available technologies, helicopters appeared to be too heavy, and aerostats, jokingly referred to as the "Gossamer Hindenberg ...
The Grob G 520 ‘EGRETT’ is a turboprop-powered long-endurance, high-altitude reconnaissance and surveillance aircraft designed and produced by the German aircraft manufacturer Grob Aircraft. Since September 1988, it has been the holder of several world records relating to altitude and time to climb.
In addition to flying above weather and above other conventional aircraft, operation at this altitude permits communications and sensor payloads on the aircraft to service an area on the surface of the Earth up to 600 miles (970 km) in diameter, equivalent to more than 280,000 square miles (730,000 km 2) of coverage. Global Observer may offer ...
On August 6, 1998, Pathfinder-Plus, piloted by Derek Lisoski, proved its design by raising the national altitude record to 80,201 feet (24,445 m) for solar-powered and propeller-driven aircraft. [1] [5]