NASA picks supplier for low-boom supersonic demo aircraft
NASA has selected Lockheed Martin to build an X-plane to demonstrate that sonic boom noise can be reduced to a level low enough to lift bans on commercial supersonic flight over US land. NASA believes the low-boom demonstrator—its first clean-sheet manned X-plane in decades—will pave the way for development of quiet supersonic transports by US industry once the overland flight ban has been lifted and replaced by sound-based certification rules. The Low Boom Flight Demonstrator is scheduled to fly in 2021 and will be used to gather community-response data to enable FAA and ICAO to develop sound-based rules for supersonic flight over land. The aircraft is shaped to reduce sonic boom, generating a maximum boom loudness of 75 PLdB flying at Mach 1.4 and 55,000 ft. This compares with 105-110 PLdB for the Concorde. <br/>
https://portal.staralliance.com/cms/news/hot-topics/2018-04-04/general/nasa-picks-supplier-for-low-boom-supersonic-demo-aircraft
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NASA picks supplier for low-boom supersonic demo aircraft
NASA has selected Lockheed Martin to build an X-plane to demonstrate that sonic boom noise can be reduced to a level low enough to lift bans on commercial supersonic flight over US land. NASA believes the low-boom demonstrator—its first clean-sheet manned X-plane in decades—will pave the way for development of quiet supersonic transports by US industry once the overland flight ban has been lifted and replaced by sound-based certification rules. The Low Boom Flight Demonstrator is scheduled to fly in 2021 and will be used to gather community-response data to enable FAA and ICAO to develop sound-based rules for supersonic flight over land. The aircraft is shaped to reduce sonic boom, generating a maximum boom loudness of 75 PLdB flying at Mach 1.4 and 55,000 ft. This compares with 105-110 PLdB for the Concorde. <br/>
