The modified HU-25 Falcon from NASA's Langley Research Center probed the exhaust contrails from NASA's DC-8 flying laboratory as both aircraft entered a turn at about 35,000 feet altitude during the first data-collection flight in the ACCESS biofuels flight test project.
ED13-0058-02
Mission: Alternative Fuel Effects on Contrails and Cruise Emissions (ACCESS)
The modified HU-25 Falcon from NASA’s Langley Research Center probed the exhaust contrails from NASA’s DC-8 flying laboratory as both aircraft entered a turn at about 35,000 feet altitude during the first data-collection flight in the ACCESS biofuels flight test project in restricted test airspace over California’s high desert.› Read News Release 13-06February 28, 2013
NASA / Lori Losey