Aviation European, Canadian regulators to do own review of Boeing jet Updated : March 21, 2019 10:43 AM IST Boeing hopes by Monday to finish an update to the software that can automatically point the nose of the plane sharply downward in some circumstances. The Max, the latest and most fuel-efficient version of the half-century-old 737, is Boeing's best-selling plane, with more than 4,600 unfilled orders. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.