https://aviationweek.com/first-pratt-powered-airbus-a319neo-begins-flight-test-campaign
First Pratt-powered Airbus A319neo begins flight test campaign | Aviation Week
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https://www.airbus.com/en/newsroom/press-releases/2019-04-pratt-whitney-engine-powered-a319neo-makes-maiden-flight
Pratt & Whitney engine-powered A319neo makes maiden flight | Airbus
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https://www.airbus.com/en/newsroom/stories/2021-10-this-a319neo-is-the-latest-to-test-100-saf
This A319neo is the latest to test 100% SAF | Airbus
Oct 29, 2021 - The first in-flight study of a single-aisle aircraft operating on sustainable aviation fuel (SAF) has taken off. In doing so, the aviation industry inches one...
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