Ian Won, performing supervisor on the FAA aviation safety Office environment that oversees Boeing, requested the U.S. planemaker within a letter dated March 21 to deliver a "experienced certification schedule," Based on a source familiar with the letter. You may also find a trust practical Should you be prone to https://docs.google.com/presentation/d/1ZU39taCYqyubMQKT59EayZLq0Fx7LMER6107sfp-Jaw/edit?usp=sharing