4R-MRE just took to the air reached 20,000 ft.
https://www.flightradar24.com/data/a...4r-mre#f90708c
ETOPS test (Extended Range Operation with Two-Engine Airplanes )or acceptance flight or is it another test?
https://www.flightradar24.com/data/a...4r-mre#f90708c
ETOPS test (Extended Range Operation with Two-Engine Airplanes )or acceptance flight or is it another test?
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