On February 7, 2023, Universal Hydrogen received a Special Airworthiness Certificate in the Experimental category from the Federal Aviation Administration. This will allow their DeHavilland Dash 8-300 to begin test flights. Universal boasts their craft will be the largest hydrogen fuel cell-powered aircraft ever to fly. Up to now, it’s been performing taxi tests and motor runups, getting ready for the big day. On a Mission Universal Hydrogen’s web site opens with this statement: “Our mission is to put aviation on a trajectory to meet Paris Agreement emissions targets by making hydrogen-powered commercial flight a near-term reality.” The coming flight tests are a major step toward fulfillment of that mission. Inclusion of the large hydrogen-carrying modules reduces passenger carrying capacity …