A heavily instrument HU-25 Falcon from NASA's Langley Research Center joined up with NASA's DC-8 flying laboratory to measure chemical components in the exhaust contrails streaming from the DC-8's four engines.
ED13-0058-03
Mission: Alternative Fuel Effects on Contrails and Cruise Emissions (ACCESS)
A heavily instrument HU-25 Falcon from NASA’s Langley Research Center joined up with NASA’s DC-8 flying laboratory to measure chemical components in the exhaust contrails streaming from the DC-8’s four engines. The engines were burning a 50 / 50 mix of conventional JP8 and a plant-derived biofuel during the ACCESS flight tests.› Read News Release 13-06February 28, 2013
NASA / Lori Losey