10-May-2016 6:06 AMBoeing Blog: Fleet completeDirect News Source05-May-2016 Fleet completeOur 737 MAX test fleet is now complete, as airplane #4 is now up and flying. All four airplanes have now combined for more than 100 flights. Airplanes #1 and #4 are in the Boeing livery, while airplanes #2 and #3 are in the "light" livery.